baber/WOPTO huggingface dataset:
Patent JP-2003253372-A (JP)
Title: Method for manufacturing high density iron-based forged parts
Inventor: NAKAMURA NAOMICHI
IPC: C22C38/00
Filed: 2002-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing iron-based forged parts with high density and high accuracy of dimension.  <P>SOLUTION: This manufacturing method comprises preliminarily compression molding an iron-based mixed powder containing an iron-based metal powder and a graphite powder into a compressed preform, presintering the compressed preform in a non-oxidizing atmosphere having a nitrogen partial pressure of 30 kPa or lower, at 950°C or higher but 1,300°C or lower, or further annealing it into a material to be formed, and subjecting it to full enclosed die forging or closed die forging. The density of the compressed preform is preferably less than 7.3 Mg/m<SP>3</SP>.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003253585-A (JP)
Title: Two-dimensionally and randomly oriented sheet of short carbon fiber and method for producing the same
Inventor: SUZUKI YOSHINOBU
IPC: D21H13/50
Filed: 2002-03-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a two-dimensionally and randomly oriented sheet of short carbon fiber essentially comprising solely the short carbon fiber and a pyrolyzed carbonaceous material and capable of sufficiently expressing heat resistance and corrosion resistance inherited to the carbon fiber.  <P>SOLUTION: The two-dimensionally and randomly oriented sheet of the short carbon fiber has ≤5% reduction in mass by boiling the sheet with sulfuric acid, contains the short carbon fiber and the pyrolyzed carbonaceous material and has ≥80 mass% short carbon fiber content. The method for producing the sheet is to cut a precursor fiber of the carbon fiber, paper make the precursor fiber by adding a binder in an amount to be ≤20 mass% carbon originate from the binder after carbonization and heat treat the obtained two- dimensionally and randomly oriented sheet of the precursor fiber.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003255676-A (JP)
Title: Image forming apparatus
Inventor: ISHIYAMA TATSUNORI
IPC: G03G15/08
Filed: 2002-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus by which a developing carrier is prevented from sticking to a photoreceptor due to the potential difference between a photoreceptor and a developer carrier in the image forming apparatus adopting a cleanerness system.  <P>SOLUTION: In the image forming apparatus adopting the cleanerness system, AC bias is applied to an electrifying roller 2 with an electrifying auxiliary brush 12 provided on the upstream side from a photoreceptor drum 1 in the rotating direction out of several electrifying members while the electrified surface of the photoreceptive drum 1 electrified with a voltage value equal to or higher than a discharge threshold between the electrifying auxiliary brush 12 and the photoreceptive drum 1 passes the electrifying part of the electrifying roller 2 provided on the most downstream side of the photoreceptive drum 1 in the rotating direction. Thus, the photoreceptive drum 1 is discharged, and the potential difference between the photoreceptive drum 1 and a developing sleeve 4a is reduced, so that the developing carrier can be prevented from sticking to the photoreceptor.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002332801-A (JP)
Title: Expander
Inventor: UDA MAKOTO
IPC: F01B3/02
Filed: 2002-03-05
Abstract: PROBLEM TO BE SOLVED: To further make an axial type expander compact in size and further increase its output. SOLUTION: This expansion machine M using steam as a working medium comprises a first axial piston cylinder group 49 on the radially inner side disposed in an annular form in a rotor 27, so as to surround the axis L of an output shaft 28 and a second axial piston cylinder 57 on the radially outer side disposed in annular form, so as to surround the outside. The first and second axial piston cylinder groups 49 and 57 are driven by a common swash plate 39, and are arranged with their pitches shifted in the circumferential direction. High-temperature and high-pressure steam is first made to operate the first axial piston cylinder group 49 and then made to operate the second axial piston cylinder group 57, and outputs of the both are integrated to drive the output shaft 28.
Patent JP-2003251105-A (JP)
Title: Acrylic cationic polymeric flocculant
Inventor: OKAMOTO SHIYOUGO
IPC: C08F22/22
Filed: 2002-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide an acrylic cationic polymeric flocculant having a high flocclation capacity against sludge rich in organic matter.  <P>SOLUTION: This acrylic cationic polymeric flocculant comprises a mixture containing homopolymers of respectively comprising a monomer (a) and a monomer (b) or a copolymer comprising both monomers (a) and (b). Herein, the monomer (a) is a water soluble dialkylaminoalkyl(meth)acrylate and the monomer (b) is a quaternary ammonium dialkylaminoalkyl(meth)acrylate and the sum total weight % of both monomers (a) and (b) is 50-100%.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003260022-A (JP)
Title: Endoscope
Inventor: KAJI KUNIHIDE
IPC: A61B1/00
Filed: 2002-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide an endoscope which is used together with a medical tube, such as trachea tube, and can be inserted into the tube with low resistance even when only a small clearance with the tube is allowed.  <P>SOLUTION: This endoscope is provided with a flexible slender tube member 3 material inserted into a subject to be examined, the endoscope 1 which has a slender insertion part to be inserted through this tube member 3 on its distal end side, an inlet 17 for injecting a fluid into this endoscope 1 which is provided nearer to the proximal side of the endoscope 1 than the insertion part 2 of this endoscope 1, a fluid path being communicated with this inlet 17 inside the endoscope insertion part 2, and a hole part which is communicated with this fluid path and is provided with an opening on the outer peripheral surface of the endoscope insertion part 2, and gushes out the fluid injected through this fluid path toward the inner peripheral surface of the tube member 3.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003260667-A (JP)
Title: Grinding wheel and manufacturing method therefor
Inventor: MATSUMOTO KOICHI
IPC: B24D3/00
Filed: 2002-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a grinding wheel used for polishing or grinding various types of materials, capable of attaining high abrasion resistance, toughness and lubricating performance, excellent heat resistance, and high absorbing and delivering capabilities against cutting chips.  <P>SOLUTION: In this grinding wheel of which the main components are abrasive grain and binder phase, easily graphitized carbon is used in part or the whole of the binder phase. As necessary, solid lubricant, fibrous substance or the like is charged. As a measuring method, at least an organic material for generating the easily graphitized carbon is blended after burning process with the abrasive grain, and is shaped into a prescribed shape for burning.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003263301-A (JP)
Title: Image processing device and print processing system
Inventor: KOBAYASHI KUNIHIKO
IPC: H04N1/60
Filed: 2002-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To prevent color differences unintended by users when printing image data subjected to ROP processing.  <P>SOLUTION: An image processing device, which converts image data to be printed into print data that can be processed by a printing device to transmit the data to the printing device, has a processing function which comprises creating print data, print result display data, and image kind information display data (S13) prior to transmitting the print data to the printing device, displaying print results and image kind information as previews in a subsequent image kind information correcting process (S16), varying figure kind information according to a user's operation based on the display of the previews, and rewriting the print data according to the figure kind information varied.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003264190-A (JP)
Title: Semiconductor device and manufacturing method
Inventor: AOKI NOBUTOSHI
IPC: H01L29/78
Filed: 2002-03-08
Abstract: <P>PROBLEM TO BE SOLVED: To obtain an insulating film for reducing a shallow energy level in a band gap.  <P>SOLUTION: The manufacturing method includes a step of forming a layer with nitrogen atoms arranged on at least the surface of a silicon substrate; a step of creating a covalent tri-coordination bonding state between the nitrogen atoms in the layer, in which the nitrogen atoms are arranged, and silicon atoms in the surface of the silicon substrate; and a step of forming a silicon oxide layer between the layer and the silicon substrate while the tri-coordination bonding state between the nitrogen atoms in the layer and the silicon atoms is kept.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003270381-A (JP)
Title: Nuclear fuel storage pool and rack pedestal
Inventor: NAKAMURA MASAAKI
IPC: G21C19/07
Filed: 2002-03-11
Abstract: <P>PROBLEM TO BE SOLVED: To rerack and oil rack to a new rack simply and easily.  <P>SOLUTION: This pedestal 3 is constituted by connecting pedestal blocks 100, and the pedestal 3 is fixed on the pool bottom face 2 by a foundation bolt 6 of the pool bottom face 2, and a new rack block 1 is fixed by a stud bolt 4 projecting on the upper face of the pedestal 3. Reexecution by removing the foundation bolt 6 of the pool bottom face 2 is not required by fixing the new rack 1n by interposing the pedestal 3, and hereby a reracking work can be performed simply and easily.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003225336-A (JP)
Title: Board for practicing pitching and catching in baseball
Inventor: SHIOZAWA RIEKO
IPC: A63B69/00
Filed: 2002-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a aboard for practicing pitching and catching in baseball where a structure capable of setting an angle is provided so that a trainee is able to practice the pitching and the catching in baseball by himself.  <P>SOLUTION: The board for practicing the pitching and the catching in baseball is used for pitching a ball to the board (1) and catching the ball rebounding from the board (1). The angle of the board (1) is adjusted by loosening of a knob bolt (3) and fixed again by tightening of the knob bolt (3). For the case of a rebounding ball allowed not to fall of the ground as the case of playing catch, the board (1) is appropriately angled to the ground and fixed. In the case of practicing playing grounders, the board (1) is vertically adjusted to the ground and fixed.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002357546-A (JP)
Title: Method for inspecting property of liquid repellent film treating liquid
Inventor: TAKAZAWA NOBUAKI
IPC: B41J2/16
Filed: 2002-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a method for inspecting the properties of a liquid repellent film treating liquid for easily managing the properties of especially the treating liquid on the management of the treating liquid for preventing the characteristics of formed films from varying due to changes in the properties of the treating liquid in treating the liquid repellent film to be applied to inner walls of pores of parts with the pores etc. SOLUTION: The method for inspecting the properties of the liquid repellent film treating liquid is infrared analysis of a liquid with viscosity. In the method, the treating liquid is sucked and filtered via a filter. The liquid that have flown out is introduced to a needle-shaped or slice-shaped member, irradiated with infrared rays, and subjected to infrared analysis.
Patent JP-2003272016-A (JP)
Title: Coin image discriminating device
Inventor: OGINO TADAO
IPC: G07D5/02
Filed: 2002-03-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a coin image discriminating device capable of minimizing the lowering of the coin discriminating power of a charged coin caused by the attachment of a liquid matter.  <P>SOLUTION: A liquid matter eliminating means 60 for collecting and eliminating the liquid matter flowing in a coin passage 2 is mounted on the coin passage 2 at an upstream side with respect to a position where an image pick-up means 20 and a light emitting means 6 are mounted.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003273712-A (JP)
Title: Delay circuit and semiconductor storage device, and delay method and method for controlling semiconductor storage device
Inventor: TAKAHASHI HIROYUKI
IPC: G11C11/4076
Filed: 2002-03-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor storage device in which a reduction in a synthetic access cell speed of a cell core part and a peripheral circuit is suppressed for lowered power supply voltage by speeding up the access of the cell core part while reducing driving power supply voltage.  <P>SOLUTION: The cell core part 20 and the peripheral circuit 10 are driven by relatively low power supply voltage VDD, constant voltage independent of the power supply voltage VDD is supplied as boosted voltage VBOOST to be supplied to a control signal on a word wire or the like of the cell core part 20 and a delay circuit 11 having characteristics that delay time is shortened when the power supply voltage to be supplied is dropped is used as a circuit for generating a signal for regulating the transition timing of the control signal from the peripheral circuit 10 to the cell core part 20 and/or the pulse width of the control signal.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003273255-A (JP)
Title: Non-volatile semiconductor memory, storage method thereof, and manufacturing method thereof
Inventor: KUNORI YUICHI
IPC: H01L27/115
Filed: 2002-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a non-volatile semiconductor memory whose cell area per bit can be made so smaller than conventional 4F<SP>2</SP>as to be equal to, e.g. 2F<SP>2</SP>.  <P>SOLUTION: The non-volatile semiconductor memory for storing information by accumulating charges therein, includes: a set of bit lines formed in nearly parallel with each other; a semiconductor substrate including the bit lines and a channel region interposed between the bit lines; a buried gate extended in nearly parallel with the bit lines which comprises a conductor layer provided above the channel region via an ONO film comprising a nitride film interposed between oxide film; a floating gate provided above the channel region via a gate oxide film in nearly parallel with the buried gate; insulation layers for covering therewith the floating gate and the buried gate; and a word line provided on the insulation layers present above the floating gate which is nearly orthogonal to the bit lines. In this case, charges are accumulated in the floating gate and/or the nitride film included in the ONO film.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003239731-A (JP)
Title: Exhaust emission control device for internal combustion engine using catalytic converter
Inventor: SHIMAZAKI NORIKAZU
IPC: F01N3/20
Filed: 2002-02-13
Abstract: <P>PROBLEM TO BE SOLVED: To prevent corrosion of an electrode, and heat a catalyst in a short period of time.  <P>SOLUTION: This exhaust emission control device for internal combustion engine comprises: a first friction body fixed to an outer periphery of the catalyst mounted to an exhaust passage of the internal combustion engine; and a second friction body arranged to an outer peripheral part of the first friction body and rotated to be driven by a motor. The second friction body is rotated to be driven by the motor. An engine control unit drives the motor when the catalyst temperature is low, and the catalytic converter is heated by frictional heat generated by friction between the first and second friction bodies.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003280696-A (JP)
Title: Apparatus and method for emphasizing voice
Inventor: O YOKA
IPC: G10L25/90
Filed: 2002-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a distortion of voice and to sufficiently remove noise.  <P>SOLUTION: A second comb filter creation part 109 sets high the threshold value of a second voice-non-voice identification part 107 so as not to be influenced by noise information, and creates a reference comb filter for restoring a voice pitch harmonic structure on the basis of the presence of a voice component in each frequency element. A pitch estimation part 111 estimates a voice pitch period from a voice spectrum outputted from a frequency division part 104, and outputs an estimation result to a pitch harmonic structure restoration part 112. The pitch harmonic structure restoration part 112 restores the pitch harmonic structure on the basis of the estimation result and the result of the second comb filter creation part 109, and outputs the result to a comb filter correction part 113. A comb filter correction part 113 combines the estimation result outputted from the pitch harmonic structure restoration part 112 and the result outputted from the first comb filter creation part 108 to correct the comb filter.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003282395-A (JP)
Title: Exposure method in photolithography
Inventor: FUKUMOTO HIROBUMI
IPC: G03F9/00
Filed: 2002-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem wherein focusing value changes over time during carrying out actual lot processing, even though the best focusing value is obtained in advance by carrying out test exposure in the conventional methods.  <P>SOLUTION: The calculation method for the best focusing value to form a desired pattern size has a step of calculating the change between the focus to form the pattern and the best focus by making an exposure, using the size difference of the first and second patterns obtained from a first pattern that does not change the size, even if the focus is changed and a second pattern that changes the size, when the focus is changed, both of them are the patterns formed in the past exposures, and a step of determining if the focus changes in the positive or negative focusing direction by using a third pattern which shows changes from the best focus.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003280588-A (JP)
Title: Portable telephone set
Inventor: MORI YUKIO
IPC: G09G3/30
Filed: 2002-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a portable telephone set which equalizes the aging deterioration rate of luminance in RGB light emitting elements concerning the portable telephone set including a color organic EL display, where time deterioration characteristics differ in light emission luminance among the RGB light emitting elements.  <P>SOLUTION: The portable telephone set includes the color organic EL display. Chromaticity coordinates for displaying white in a mail image are decided, so as to reduce an RGB ratio which constitutes the white display part of the mail image in a color corresponding to the light emitting element with the larger time deterioration rate of light emission luminance among the R, G and B light emitting elements used for the EL display.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003282452-A (JP)
Title: Apparatus and method for heat treatment
Inventor: HASEGAWA KOSUKE
IPC: H01L21/22
Filed: 2002-03-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat treatment apparatus and a method of heat-treating a workpiece which cools a plate-like workpiece carried out from a heat treatment furnace efficiently in a short time, and prevents the attachment of foreign matters and particles to the workpiece.  <P>SOLUTION: The heat treatment apparatus comprises the heat treatment furnace and a loading area where the workpiece is carried out from the heat treatment furnace. The loading area is provided with a cooling air supply mechanism for supplying cooling air to the plate-like workpiece held horizontally. The cooling air supply mechanism has a plurality of directional cooling air supply ports for supplying directional cooling air toward the center of the workpiece from different angular positions. The method of heat-treating the workpiece is implemented using the heat treatment apparatus, and comprises processes of carrying out the workpiece from the heat treatment furnace while supplying laminar cooling air from a front plate of the cooling air supply mechanism and directional cooling air from the directional cooling air supply ports to the workpiece, and thereafter cooling the workpiece by laminar cooling air and directional cooling air.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003283448-A (JP)
Title: Digital broadcast system and transmitter and receiver thereof
Inventor: ISHIKAWA TOSHIRO
IPC: H04N5/44
Filed: 2002-03-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a digital broadcast system wherein attached data being a free gift cannot be downloaded and read before a part of a program intended by a broadcaster is not received.  <P>SOLUTION: A multiplexer section 5A of a transmission apparatus A multiplexes key data generated by a key data generating section A4 with the main data and attached data to produce multiplexed data, and the transmitter apparatus A converts the multiplexed data into a broadcast wave and transmits the broadcast wave. A demultiplexer section B3 of a receiver B extracts and demultiplexes the main data and the attached data from received data demodulated and decoded by a demodulation section B1 and a decoding section B2. An attached data storage section B6 stores the attached data, and a reception state monitor section B7 monitors a reception state of the attached data and discriminates whether or not the reception of the attached data is finished through the input of key data, instructs the attached data storage section B6 to output the attached data and allows a display section B5 to display the data via a decode section B8.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003280373-A (JP)
Title: Bearing seal structure for developing device, and image forming device
Inventor: OYA KAZUMASA
IPC: F16C33/74
Filed: 2002-03-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a bearing seal structure for a developing device, which prevents foreign matter from moving to a tapered surface of a seal member and into a bearing and then improves the slidability of a slide part of a shaft as a result to improve the durability of the slide part, and to provide an image forming device.  <P>SOLUTION: The bearing seal structure for the developing device which has an annular seal member with a magnetic developer and toner leak preventing function arranged in a bearing while held by a holding member slidably on the outer circumferential surface of an inserted shaft and an annular groove formed on the inner circumferential surface of the bearing opposite the seal member so that the opposition side is opened is characterized in that the surface of the seal member 1 which faces the annular groove 5 is a tapered surface 7 which slants outward and a gap formed between the tapered surface and the annular groove 5 of the bearing 4 is filled with a lubricant 12.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003281104-A (JP)
Title: Mobile information terminal
Inventor: MAEDA KATSUHIRO
IPC: G04G5/00
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mobile information terminal capable of functioning according to a feature of an owner and reducing that a unpunctual person misses a schedule.  <P>SOLUTION: A GPS reception part 13 acquires the positional information indicating the position of the owner having a mobile information terminal 1. Whether the owner arrives at a destination on time indicated in the schedule stored in a schedule storage part 17 or not is determined based on the positional information. The amount ΔA of clock gain is calculated based on the determined result. When the next schedule is performed, the time displayed based on the amount ΔA gains.  <P>COPYRIGHT: (C)2004,JPO