# List of United States MPEG-2 patents

A large number of patents have been filed in the United States since 1978 for video coding systems and devices adhering to the MPEG-2 standard. All of these patents are now expired.
| Patent | Filed | granted | First File | Expiry | Summary | Notes | Company |
| 4833543 | 24 December 1986 | 23 May 1989 | 24 December 1986 | 24 December 2006 | Image processing system and phase-locked loop used therein | U.S. patent 4,833,543 file+20: [2006, 12, 24] grant+17: [2006, 5, 23] | Alcatel-Lucent |
| 4970590 | 21 December 1989 | 13 November 1990 | 21 December 1989 | 21 December 2009 | System and device for package multiplexing in transmission of many data flows generated by a sole algorithm | U.S. patent 4,970,590 file+20: [2009, 12, 21] grant+17: [2007, 11, 13] | Alcatel-Lucent |
| 5453790 | 26 March 1993 | 26 September 1995 | 26 March 1993 | 26 March 2013 | Video decoder having asynchronous operation with respect to a video display | U.S. patent 5,453,790 file+20: [2013, 3, 26] grant+17: [2012, 9, 26] | Alcatel-Lucent |
| 5136377 | 11 December 1990 | 4 August 1992 | 11 December 1990 | 11 December 2010 | Adaptive non-linear quantizer | U.S. patent 5,136,377 file+20: [2010, 12, 11] grant+17: [2009, 8, 4] | AT&T Bell Laboratories |
| 4383272 | 13 April 1981 | 10 May 1983 | 13 April 1981 | 13 April 2001 | Video signal interpolation using motion estimation | U.S. patent 4,383,272 file+20: [2001, 4, 13] grant+17: [2000, 5, 10] | Bell Telephone Laboratories, Incorporated |
| 5291284 | 23 July 1991 | 1 March 1994 | 12 December 1989 | 1 March 2011 | Predictive coding and decoding with error drift reduction | U.S. patent 5,291,284 file+20: [2011, 7, 23] pct_file+20: [2009, 12, 12] grant+17: [2011, 3, 1] | British Telecommunications plc |
| 4982270 | 3 February 1989 | 1 January 1991 | 3 February 1989 | 3 February 2009 | Video data transmitting system | U.S. patent 4,982,270 file+20: [2009, 2, 3] grant+17: [2008, 1, 1] | Canon Inc. |
| 5068724 | 15 June 1990 | 26 November 1991 | 15 June 1990 | 15 June 2010 | Adaptive motion compensation for digital television | U.S. patent 5,068,724 file+20: [2010, 6, 15] grant+17: [2008, 11, 26] | CIF LICENSING, LLC |
| 5091782 | 9 April 1990 | 25 February 1992 | 9 April 1990 | 9 April 2010 | Apparatus and method for adaptively compressing successive blocks of digital video | U.S. patent 5,091,782 file+20: [2010, 4, 9] grant+17: [2009, 2, 25] | CIF LICENSING, LLC |
| 5093720 | 20 August 1990 | 3 March 1992 | 20 August 1990 | 20 August 2010 | Motion compensation for interlaced digital television signals | U.S. patent 5,093,720 file+20: [2010, 8, 20] grant+17: [2009, 3, 3] | CIF LICENSING, LLC |
| RE35093 | 3 December 1990 | 9 March 1993 | 3 December 1990 | 3 December 2010 | Systems and methods for coding even fields of interlaced video sequences | Reissue of 05193004 filed 9 December 1994 granted 21 November 1995 U.S. patent RE35093 file+20: [2010, 12, 3] related_patent+20: [2010, 12, 32] grant+17: [2010, 3, 9] | Columbia University |
| 4796087 | 1 June 1987 | 3 January 1989 | 1 June 1987 | 1 June 2007 | Process for coding by transformation for the transmission of picture signals | U.S. patent 4,796,087 file+20: [2007, 6, 1] grant+17: [2006, 1, 3] | France Télécom |
| 5235618 | 6 November 1990 | 10 August 1993 | 6 November 1990 | 6 November 2010 | Video signal coding apparatus, coding method used in the video signal coding apparatus and video signal coding transmission system having the video signal coding apparatus | U.S. patent 5,235,618 file+20: [2010, 11, 6] grant+17: [2010, 8, 10] | Fujitsu |
| 4706260 | 7 November 1986 | 10 November 1987 | 7 November 1986 | 7 November 2006 | DPCM system with rate-of-fill control of buffer occupancy | U.S. patent 4,706,260 file+20: [2006, 11, 7] grant+17: [2004, 11, 10] | General Electric |
| 4813056 | 8 December 1987 | 14 March 1989 | 8 December 1987 | 8 December 2007 | Modified statistical coding of digital signals | U.S. patent 4,813,056 file+20: [2007, 12, 8] grant+17: [2006, 3, 14] | General Electric |
| 4394774 | 26 June 1981 | 19 July 1983 | 15 December 1978 | 15 December 1998 | Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedback | U.S. patent 4,394,774 file+20: [2001, 6, 26] related_patent+20: [1998, 12, 15] Override: Referenced patent had its term changed grant+17: [2000, 7, 19] terminal disclaimer date December 15, 1998 | General Instrument |
| 4698672 | 27 October 1986 | 6 October 1987 | 27 October 1986 | 27 October 2006 | Coding system for reducing redundancy | U.S. patent 4,698,672 file+20: [2006, 10, 27] grant+17: [2004, 10, 6] | General Instrument |
| 5426464 | 18 October 1994 | 20 June 1995 | 14 January 1993 | 14 January 2013 | Field elimination apparatus for a video compression/decompression system | U.S. patent 5,426,464 file+20: [2014, 10, 18] related_patent+20: [2013, 1, 14] grant+17: [2012, 6, 20] | GE |
| 5486864 | 13 May 1993 | 23 January 1996 | 13 May 1993 | 13 May 2013 | Differential time code method and apparatus as for a compressed video signal | U.S. patent 5,486,864 file+20: [2013, 5, 13] grant+17: [2013, 1, 23] | GE |
| 5491516 | 14 January 1993 | 13 February 1996 | 14 January 1993 | 13 February 2013 | Field elimination apparatus for a video compression/decompression system | U.S. patent 5,491,516 file+20: [2013, 1, 14] grant+17: [2013, 2, 13] | GE |
| 5600376 | 20 March 1995 | 4 February 1997 | 14 January 1993 | 4 February 2014 | Field elimination apparatus for a video compression/decompression system | U.S. patent 5,600,376 file+20: [2015, 3, 20] related_patent+20: [2013, 1, 14] grant+17: [2014, 2, 4] | GE |
| 5796743 | 23 May 1996 | 18 August 1998 | 30 November 1993 | 18 August 2015 | Data word indicator in a system for assembling transport data packets | U.S. patent 5,796,743 file+20: [2016, 5, 23] pct_file+20: [2013, 11, 30] grant+17: [2015, 8, 18] | GE |
| 5867501 | 7 June 1995 | 2 February 1999 | 17 December 1992 | 2 February 2016 | Encoding for communicating data and commands | U.S. patent 5,867,501 file+20: [2015, 6, 7] related_patent+20: [2012, 12, 17] grant+17: [2016, 2, 2] | Hewlett-Packard Company |
| 4849812 | 24 February 1988 | 18 July 1989 | 24 February 1988 | 24 February 2008 | Television system, in which digitized picture signals subjected to a transform coding are transmitted from an encoding station to a decoding station | U.S. patent 4,849,812 file+20: [2008, 2, 24] grant+17: [2006, 7, 18] | Koninklijke Philips Electronics N.V. |
| 4901075 | 11 September 1987 | 13 February 1990 | 11 September 1987 | 11 September 2007 | Method and apparatus for bit rate reduction | U.S. patent 4,901,075 file+20: [2007, 9, 11] grant+17: [2007, 2, 13] | Koninklijke Philips Electronics N.V. |
| 5021879 | 24 September 1990 | 4 June 1991 | 25 April 1988 | 4 June 2008 | System for transmitting video pictures | U.S. patent 5,021,879 file+20: [2010, 9, 24] related_patent+20: [2008, 4, 25] grant+17: [2008, 6, 4] | Koninklijke Philips Electronics N.V. |
| 5027206 | 13 September 1989 | 25 June 1991 | 13 September 1989 | 13 September 2009 | High-definition television systems | U.S. patent 5,027,206 file+20: [2009, 9, 13] grant+17: [2008, 6, 25] | Koninklijke Philips Electronics N.V. |
| 5128758 | 2 June 1989 | 7 July 1992 | 2 June 1989 | 7 July 2009 | Method and apparatus for digitally processing a high definition television augmentation signal | U.S. patent 5,128,758 file+20: [2009, 6, 2] grant+17: [2009, 7, 7] | Koninklijke Philips Electronics N.V. |
| 5179442 | 26 November 1990 | 12 January 1993 | 2 June 1989 | 12 January 2010 | Method and apparatus for digitally processing a high definition television augmentation signal | U.S. patent 5,179,442 file+20: [2010, 11, 26] related_patent+20: [2009, 6, 2] grant+17: [2010, 1, 12] | Koninklijke Philips Electronics N.V. |
| 5333135 | 1 February 1993 | 26 July 1994 | 1 February 1993 | 1 February 2013 | Identification of a data stream transmitted as a sequence of packets | U.S. patent 5,333,135 file+20: [2013, 2, 1] grant+17: [2011, 7, 26] | Koninklijke Philips Electronics N.V. |
| 5606539 | 31 August 1994 | 25 February 1997 | 5 June 1991 | 25 February 2014 | Method and apparatus for encoding and decoding an audio and/or video signal, and a record carrier for use with such apparatus | U.S. patent 5,606,539 file+20: [2014, 8, 31] related_patent+20: [2011, 6, 5] grant+17: [2014, 2, 25] | Koninklijke Philips Electronics N.V. |
| 5608697 | 18 March 1996 | 4 March 1997 | 5 June 1991 | 5 June 2011 | Record carrier containing an audio and/or video signal, which has been encoded and includes a decoder delay time parameter indicating a time delay for one or more portions of the signal | U.S. patent 5,608,697 file+20: [2016, 3, 18] related_patent+20: [2011, 6, 5] | Koninklijke Philips Electronics N.V. |
| 5699476 | 9 May 1996 | 16 December 1997 | 19 October 1990 | 19 October 2010 | Method and apparatus for transmitting and/or storing a series of hierarchically encoded digital image data blocks | U.S. patent 5,699,476 file+20: [2016, 5, 9] related_patent+20: [2010, 10, 19] | Koninklijke Philips Electronics N.V. |
| 5740310 | 28 June 1994 | 14 April 1998 | 30 May 1991 | 14 April 2015 | Method of maintaining display continuity from a CD with slow-motion or freeze capability | U.S. patent 5,740,310 file+20: [2014, 6, 28] related_patent+20: [2011, 5, 30] grant+17: [2015, 4, 14] | Koninklijke Philips Electronics N.V. |
| 5844867 | 9 September 1996 | 1 December 1998 | 5 June 1991 | 5 June 2011 | Methods and apparatus for encoding and decoding an audio and/or video signal, and a record carrier used therewith or produced therefrom | U.S. patent 5,844,867 file+20: [2016, 9, 9] related_patent+20: [2011, 6, 5] | Koninklijke Philips Electronics N.V. |
| 6181712 | 11 October 1995 | 30 January 2001 | 23 February 1995 | 30 January 2018 | Method and device for transmitting data packets | U.S. patent 6,181,712 file+20: [2015, 10, 11] pct_file+20: [2015, 2, 23] grant+17: [2018, 1, 30] | Koninklijke Philips Electronics N.V. |
| 6792001 | 21 September 2000 | 14 September 2004 | 23 February 1995 | 24 May 2017 | Method and device for transmitting data packets | U.S. patent 6,792,001 file+20: [2020, 9, 21] related_patent+20: [2015, 2, 23] Override: Auto parse missed date term extension 821 days | Koninklijke Philips Electronics N.V. |
| RE37057 | 14 November 1994 | 21 May 1996 | 14 November 1994 | 14 November 2014 | Apparatus and method for converting an HDTV signal to a non-HDTV signal | Reissue of 05519446 filed 18 May 1998 granted 20 February 2001 U.S. patent RE37057 file+20: [2014, 11, 14] related_patent+20: [2014, 11, 32] grant+17: [2013, 5, 21] | LG Electronics |
| RE37568 | 30 November 1993 | 1 April 1997 | 30 November 1993 | 1 April 2014 | Inverse Quantizer | Reissue of 05617094 filed 31 March 1999 granted 5 March 2002 U.S. patent RE37568 file+20: [2013, 11, 30] related_patent+20: [2013, 11, 32] grant+17: [2014, 4, 1] | LG Electronics |
| 5113255 | 11 May 1990 | 12 May 1992 | 11 May 1990 | 11 May 2010 | Moving image signal encoding apparatus and decoding apparatus | U.S. patent 5,113,255 file+20: [2010, 5, 11] grant+17: [2009, 5, 12] | Matsushita |
| RE35910 | 11 May 1990 | 12 May 1992 | 11 May 1990 | 11 May 2010 | Moving image signal encoding apparatus and decoding apparatus | Reissue of 05113255 filed 12 May 1994 granted 29 September 1998 U.S. patent RE35910 file+20: [2010, 5, 11] related_patent+20: [2010, 5, 32] grant+17: [2009, 5, 12] | Matsushita |
| RE36015 | 27 March 1992 | 8 March 1994 | 27 March 1992 | 27 March 2012 | Apparatus and method for processing groups of fields in a video data compression system | Reissue of 05293229 filed 2 October 1995 granted 29 December 1998 U.S. patent RE36015 file+20: [2012, 3, 27] related_patent+20: [2012, 3, 32] grant+17: [2011, 3, 8] | Matsushita |
| RE36507 | 27 March 1992 | 8 March 1994 | 27 March 1992 | 27 March 2012 | Apparatus and method for processing groups of fields in a video data compression system to encode a single frame as an I-field and a P-field | Reissue of 05293229 filed 21 October 1997 granted 18 January 2000 U.S. patent RE36507 file+20: [2012, 3, 27] related_patent+20: [2012, 3, 27] grant+17: [2011, 3, 8] | Matsushita |
| RE39276 | 20 July 1994 | 28 April 1998 | 2 November 1992 | 28 April 2015 | Method for determining motion compensation | Reissue of 05745182 filed 27 April 2000 granted 12 September 2006 U.S. patent RE39276 file+20: [2014, 7, 20] related_patent+20: [2012, 11, 2] grant+17: [2015, 4, 28] | Matsushita |
| RE39278 | 20 July 1994 | 28 April 1998 | 2 November 1992 | 28 April 2015 | Method for determining motion compensation | Reissue of 05745182 filed 13 April 2001 granted 12 September 2006 U.S. patent RE39278 file+20: [2014, 7, 20] related_patent+20: [2012, 11, 2] grant+17: [2015, 4, 28] | Matsushita |
| RE39280 | 20 July 1994 | 28 April 1998 | 2 November 1992 | 28 April 2015 | Method for determining motion compensation | Reissue of 05745182 filed 30 May 2001 granted 12 September 2006 U.S. patent RE39280 file+20: [2014, 7, 20] related_patent+20: [2012, 11, 2] grant+17: [2015, 4, 28] | Matsushita |
| 5223949 | 17 April 1992 | 29 June 1993 | 17 April 1992 | 17 April 2012 | Coding means for a signal processing system | U.S. patent 5,223,949 file+20: [2012, 4, 17] grant+17: [2010, 6, 29] | Matsushita |
| 5412430 | 4 May 1994 | 2 May 1995 | 31 July 1992 | 31 July 2012 | Image coding method and image coding apparatus | U.S. patent 5,412,430 file+20: [2014, 5, 4] related_patent+20: [2012, 7, 31] grant+17: [2012, 5, 2] | Matsushita |
| 5784107 | 23 January 1996 | 21 July 1998 | 21 April 1992 | 21 April 2012 | Method and apparatus for picture coding and method and apparatus for picture decoding | U.S. patent 5,784,107 file+20: [2016, 1, 23] related_patent+20: [2012, 4, 21] | Matsushita |
| 4954892 | 4 October 1989 | 4 September 1990 | 4 October 1989 | 4 October 2009 | Buffer controlled picture signal encoding and decoding system | U.S. patent 4,954,892 file+20: [2009, 10, 4] grant+17: [2007, 9, 4] | Mitsubishi |
| 5072295 | 20 August 1990 | 10 December 1991 | 20 August 1990 | 20 August 2010 | Adaptive quantization coder/decoder with limiter circuitry | U.S. patent 5,072,295 file+20: [2010, 8, 20] grant+17: [2008, 12, 10] | Mitsubishi |
| 5268846 | 10 April 1991 | 7 December 1993 | 10 April 1991 | 10 April 2011 | Method and apparatus for nonsequential multimedia data interchange in a data processing system | U.S. patent 5,268,846 file+20: [2011, 4, 10] grant+17: [2010, 12, 7] | Mitsubishi |
| 5949489 | 31 July 1998 | 7 September 1999 | 16 October 1992 | 16 October 2012 | Image signal coding system | U.S. patent 5,949,489 file+20: [2018, 7, 31] related_patent+20: [2012, 10, 16] | Mitsubishi |
| 5963258 | 31 July 1998 | 5 October 1999 | 16 October 1992 | 16 October 2012 | Image signal coding system | U.S. patent 5,963,258 file+20: [2018, 7, 31] related_patent+20: [2012, 10, 16] | Mitsubishi |
| 5970175 | 26 October 1998 | 19 October 1999 | 16 October 1992 | 16 October 2012 | Image signal coding system | U.S. patent 5,970,175 file+20: [2018, 10, 26] related_patent+20: [2012, 10, 16] | Mitsubishi |
| 5990960 | 9 December 1998 | 23 November 1999 | 16 October 1992 | 16 October 2012 | Image signal coding system | U.S. patent 5,990,960 file+20: [2018, 12, 9] related_patent+20: [2012, 10, 16] | Mitsubishi |
| 6002439 | 27 May 1999 | 14 December 1999 | 16 October 1992 | 16 October 2012 | Image signal coding system | U.S. patent 6,002,439 file+20: [2019, 5, 27] related_patent+20: [2012, 10, 16] | Mitsubishi |
| 6097759 | 22 November 1999 | 1 August 2000 | 16 October 1992 | 16 October 2012 | Image signal coding system | U.S. patent 6,097,759 file+20: [2019, 11, 22] related_patent+20: [2012, 10, 16] | Mitsubishi |
| 6188794 | 20 May 1999 | 13 February 2001 | 16 October 1992 | 16 October 2012 | Image signal coding system | U.S. patent 6,188,794 file+20: [2019, 5, 20] related_patent+20: [2012, 10, 16] | Mitsubishi |
| 6307973 | 4 December 2000 | 23 October 2001 | 16 October 1992 | 16 October 2012 | Image signal coding system | U.S. patent 6,307,973 file+20: [2020, 12, 4] related_patent+20: [2012, 10, 16] term extension 0 days | Mitsubishi |
| 7362805 | 2 March 2006 | 22 April 2008 | 29 January 1993 | 29 January 2013 | High efficiency encoder and video information recording/reproducing apparatus | U.S. patent 7,362,805 file+20: [2026, 3, 2] related_patent+20: [2013, 1, 29] term extension 0 days | Mitsubishi |
| 7376184 | 4 November 2002 | 20 May 2008 | 29 January 1993 | 31 May 2014 | High-efficiency encoder and video information recording/reproducing apparatus | U.S. patent 7,376,184 file+20: [2022, 11, 4] related_patent+20: [2013, 1, 29] term extension 487 days | Mitsubishi |
| 7756202 | 30 October 2007 | 13 July 2010 | 29 January 1993 | 6 August 2013 | High-efficiency encoder and video information recording/reproducing apparatus | U.S. patent 7,756,202 file+20: [2027, 10, 30] related_patent+20: [2013, 1, 29] term extension 189 days | Mitsubishi |
| 7936817 | 30 October 2007 | 3 May 2011 | 29 January 1993 | 29 January 2013 | High-efficiency encoder and video information recording/reproducing apparatus | U.S. patent 7,936,817 file+20: [2027, 10, 30] related_patent+20: [2013, 1, 29] | Mitsubishi |
| 4958226 | 27 September 1989 | 18 September 1990 | 27 September 1989 | 27 September 2009 | Conditional motion compensated interpolation of digital motion video | U.S. patent 4,958,226 file+20: [2009, 9, 27] grant+17: [2007, 9, 18] | Multimedia Patent Trust |
| 5227878 | 15 November 1991 | 13 July 1993 | 15 November 1991 | 15 November 2011 | Adaptive coding and decoding of frames and fields of video | U.S. patent 5,227,878 file+20: [2011, 11, 15] grant+17: [2010, 7, 13] | Multimedia Patent Trust |
| 5500678 | 18 March 1994 | 19 March 1996 | 18 March 1994 | 18 March 2014 | Optimized scanning of transform coefficients in video coding | U.S. patent 5,500,678 file+20: [2014, 3, 18] grant+17: [2013, 3, 19] | Multimedia Patent Trust |
| 5563593 | 18 March 1994 | 8 October 1996 | 18 March 1994 | 18 March 2014 | Video coding with optimized low complexity variable length codes | U.S. patent 5,563,593 file+20: [2014, 3, 18] grant+17: [2013, 10, 8] | Multimedia Patent Trust |
| 4849812 | 24 February 1988 | 18 July 1989 | 24 February 1988 | 24 February 2008 | Television system, in which digitized picture signals subjected to a transform coding are transmitted from an encoding station to a decoding station | U.S. patent 4,849,812 file+20: [2008, 2, 24] grant+17: [2006, 7, 18] | Philips |
| 4901075 | 11 September 1987 | 13 February 1990 | 11 September 1987 | 11 September 2007 | Method and apparatus for bit rate reduction | U.S. patent 4,901,075 file+20: [2007, 9, 11] grant+17: [2007, 2, 13] | Philips |
| 5021879 | 24 September 1990 | 4 June 1991 | 25 April 1988 | 4 June 2008 | System for transmitting video pictures | U.S. patent 5,021,879 file+20: [2010, 9, 24] related_patent+20: [2008, 4, 25] grant+17: [2008, 6, 4] | Philips |
| 5027206 | 13 September 1989 | 25 June 1991 | 13 September 1989 | 13 September 2009 | High-definition television systems | U.S. patent 5,027,206 file+20: [2009, 9, 13] grant+17: [2008, 6, 25] | Philips |
| 5128758 | 2 June 1989 | 7 July 1992 | 2 June 1989 | 7 July 2009 | Method and apparatus for digitally processing a high definition television augmentation signal | U.S. patent 5,128,758 file+20: [2009, 6, 2] grant+17: [2009, 7, 7] | Philips |
| 5179442 | 26 November 1990 | 12 January 1993 | 2 June 1989 | 12 January 2010 | Method and apparatus for digitally processing a high definition television augmentation signal | U.S. patent 5,179,442 file+20: [2010, 11, 26] related_patent+20: [2009, 6, 2] grant+17: [2010, 1, 12] | Philips |
| 5333135 | 1 February 1993 | 26 July 1994 | 1 February 1993 | 1 February 2013 | Identification of a data stream transmitted as a sequence of packets | U.S. patent 5,333,135 file+20: [2013, 2, 1] grant+17: [2011, 7, 26] | Philips |
| 5606539 | 31 August 1994 | 25 February 1997 | 5 June 1991 | 25 February 2014 | Method and apparatus for encoding and decoding an audio and/or video signal, and a record carrier for use with such apparatus | U.S. patent 5,606,539 file+20: [2014, 8, 31] related_patent+20: [2011, 6, 5] grant+17: [2014, 2, 25] | Philips |
| 5608697 | 18 March 1996 | 4 March 1997 | 5 June 1991 | 5 June 2011 | Record carrier containing an audio and/or video signal which has been encoded and includes a decoder delay time parameter indicating a time delay for one or more portions of the signal | U.S. patent 5,608,697 file+20: [2016, 3, 18] related_patent+20: [2011, 6, 5] | Philips |
| 5740310 | 28 June 1994 | 14 April 1998 | 30 May 1991 | 14 April 2015 | Method of maintaining display continuity from a CD with slow-motion or freeze capability | U.S. patent 5,740,310 file+20: [2014, 6, 28] related_patent+20: [2011, 5, 30] grant+17: [2015, 4, 14] | Philips |
| 5844867 | 9 September 1996 | 1 December 1998 | 5 June 1991 | 5 June 2011 | Methods and apparatus for encoding and decoding an audio and/or video signal, and a record carrier used therewith or produced therefrom | U.S. patent 5,844,867 file+20: [2016, 9, 9] related_patent+20: [2011, 6, 5] | Philips |
| 5461421 | 29 November 1993 | 24 October 1995 | 29 November 1993 | 29 November 2013 | Encoding and decoding method and apparatus thereof | U.S. patent 5,461,421 file+20: [2013, 11, 29] grant+17: [2012, 10, 24] | Samsung |
| 5467086 | 18 June 1993 | 14 November 1995 | 18 June 1993 | 18 June 2013 | Apparatus and method of coding/decoding video data | U.S. patent 5,467,086 file+20: [2013, 6, 18] grant+17: [2012, 11, 14] | Samsung |
| 5654706 | 18 December 1996 | 5 August 1997 | 15 July 1993 | 15 July 2013 | System for variable length decoding digital transmission data which has been compressed by selecting a scanning pattern | U.S. patent 5,654,706 file+20: [2016, 12, 18] related_patent+20: [2013, 7, 15] | Samsung |
| 6680975 | 2 November 2000 | 20 January 2004 | 1 March 1993 | 12 March 2014 | Signal encoding and decoding system and method | U.S. patent 6,680,975 file+20: [2020, 11, 2] related_patent+20: [2013, 3, 1] term extension 376 days | Samsung |
| 7292657 | 3 July 2003 | 6 November 2007 | 1 March 1993 | 1 March 2013 | Signal compressing signal | U.S. patent 7,292,657 file+20: [2023, 7, 3] related_patent+20: [2013, 3, 1] | Samsung |
| 7609760 | 5 January 2009 | 27 October 2009 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. patent 7,609,760 file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
| 7616687 | 5 January 2009 | 10 November 2009 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. patent 7,616,687 file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
| 7684490 | 18 December 2008 | 23 March 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. patent 7,684,490 file+20: [2028, 12, 18] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
| 7724821 | 24 December 2008 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. patent 7,724,821 file+20: [2028, 12, 24] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
| 7724822 | 24 December 2008 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. patent 7,724,822 file+20: [2028, 12, 24] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
| 7724823 | 24 December 2008 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. patent 7,724,823 file+20: [2028, 12, 24] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
| 7724824 | 5 January 2009 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. patent 7,724,824 file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
| 7724828 | 16 November 2009 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. patent 7,724,828 file+20: [2029, 11, 16] related_patent+20: [2013, 3, 1] term extension 0 days | Samsung |
| 7724829 | 16 November 2009 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. patent 7,724,829 file+20: [2029, 11, 16] related_patent+20: [2013, 3, 1] term extension 0 days | Samsung |
| 7742522 | 5 January 2009 | 22 June 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. patent 7,742,522 file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. | Samsung |
| 7742527 | 5 January 2009 | 22 June 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. patent 7,742,527 file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
| 7764735 | 2 July 2009 | 27 July 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. patent 7,764,735 file+20: [2029, 7, 2] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. | Samsung |
| 7782956 | 16 November 2009 | 24 August 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. patent 7,782,956 file+20: [2029, 11, 16] related_patent+20: [2013, 3, 1] term extension 0 days | Samsung |
| 7787538 | 5 January 2009 | 31 August 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. patent 7,787,538 file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
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