baber/WOPTO huggingface dataset:
Patent JP-2008294192-A (JP)
Title: Ignition coil for internal combustion engine
Inventor: YASUDA YU
IPC: H01F38/12
Filed: 2007-05-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an ignition coil for internal combustion engine which can compatibly be made compact and can generate large output.  <P>SOLUTION: When a closed magnetic path of the ignition coil for internal combustion engine is constituted, a permanent magnet 4 which has a cross section S4, for example, three times as large as the cross section S111 of a main portion 111 of a center iron core 11 and also has a thickness t4 of, for example, 1.2 mm is inserted into a gap portion 13 of a closed magnetic path iron core 1 having a side iron core 12 and a center iron core 11 using Permendur.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008291116-A (JP)
Title: Additive for biodiesel fuel and fuel comprising this additive
Inventor: SAITO SHU
IPC: C10L1/02
Filed: 2007-05-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an additive for biodiesel fuel which makes it possible to suitably use, even at low temperatures, environmentally-friendly biodiesel fuel useful as alternative fuel for light oil, and biodiesel fuel which is suitably usable even at low temperatures and which has a wide range of applications, i.e., to provide an additive for biodiesel fuel which lowers the pour point and the cold filter plugging point of the biodiesel fuel to improve low-temperature fluidity, and biodiesel fuel of improved low-temperature fluidity, especially to lower the cold filter plugging point (CFPP) since the CFPP is used as an index of low-temperature fluidity in the European standards.  <P>SOLUTION: The additive for biodiesel fuel contains an alcohol-derived compound. The alcohol-derived compound must contain an ester compound of a polyhydric alcohol and a long-chain fatty acid, where the polyhydric alcohol has a polyether structure and/or a polyethylene structure in its principal chain.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008264755-A (JP)
Title: Method for insolubilizing and immobilizing sludge containing harmful substance
Inventor: MATSUI KEIJI
IPC: C02F11/00
Filed: 2007-04-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for insolubilizing and immobilizing sludge containing harmful substances capable of simply and inexpensively insolubilizing, immobilizing, and reducing in volume the sludge containing the harmful substances such as heavy metals, dioxins, or chemical materials.  <P>SOLUTION: The sludge containing the harmful substances is dehydrated to be dehydrated sludge so that the residual moisture percentage thereof reaches 70 wt.% or below. A siloxane and silanol salt multimolecular solution is prepared which has a pH value of 8.0 or above and comprises 25 to 55 wt.% water and 45 to 75 wt.% solid consisting of siloxane and silanol salt in the form of complex compounds polymerized to have about 4,000 to 8,000 in terms of a molecular weight. The above dehydrated sludge is mixed with the siloxane and silanol salt solution having the amount of 3 to 10 wt.% of the sludge, which mixture is kneaded and then subjected to the heating process at 700 to 900°C for the insolubilization, immobilization, and reduction in volume of the sludge.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008294934-A (JP)
Title: Quantum cryptographic communication system and eavesdropping detection method
Inventor: HONJO TOSHIMORI
IPC: H04B10/524
Filed: 2007-05-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a quantum cryptographic communication system and an eavesdropping detection method capable of discriminating eavesdropping by impersonation satisfactorily.  <P>SOLUTION: A transmitter 311 transmits a light pulse train 324 to a receiver 312. The light pulse train 324 is a light pulse train that comprises pulses with a time interval T, is phase-modulated by 0 or π, includes a vacant pulse at four successive time positions, and has an average of less than one photon per pulse, and includes four successive vacant pulses. The receiver 312 receives the light pulse train 324, is branched by a branching means 317, delays one light pulse train only by a time interval T for composition, and detects a photon by a photon detector 319a or a photon detector 319b according to a phase difference. The receiver 312 judges whether there is eavesdropping, based on the number of detection signals in a prescribed period to a time slot t<SB>4</SB>, where a pulse 4 overlaps with a pulse 5.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008297242-A (JP)
Title: Method for producing high-purity alkyladamantyl (meth)acrylate
Inventor: SUZUKI TOSHIYUKI
IPC: C07C67/08
Filed: 2007-05-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for easily producing an alkyladamantyl (meth)acrylate having high purity.  <P>SOLUTION: The production method has a distillation purification process comprising the first step of removing impurities having a boiling point higher than that of the alkyladamantyl (meth)acrylate and the subsequent second step of removing impurities having a boiling point lower than that of the alkyladamantyl (meth)acrylate.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008299963-A (JP)
Title: Optical disk device, and tracking and slider control method
Inventor: AIHARA RYUTA
IPC: G11B7/095
Filed: 2007-05-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical disk device for achieving stable tracking control even for an inferior optical disk with large eccentricity, and to provide a tracking control method.  <P>SOLUTION: A rotation angle where track displacement due to the eccentricity of an optical disk becomes the largest at an inner circumferential side and an outer circumferential side is learned, the eccentricity of the optical disk is detected, track pull-in is performed at the rotation angle where the displacement of the optical disk due to eccentricity becomes the largest, the displacement direction of the optical disk during pull-in is detected, and a slider is moved in the detected displacement direction only by the eccentricity or almost the eccentricity of the optical disk.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2010183842-A (JP)
Title: New thermostable dna polymerase
Inventor: HAYASHIZAKI YOSHIHIDE
IPC: C12N1/15
Filed: 2007-06-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a DNA polymerase which has complementary strand replacement/amplification activity and also has high thermal stability.  <P>SOLUTION: There are disclosed a protein which has a specific amino acid sequence derived from the genus Bacillus or Geobacillus, a protein in which 1 to 51 arbitrary numerical and contiguous amino acid residues from the N-terminal of the protein is deleted, and a protein which comprises an amino acid sequence in which one or several amino acids in the protein are deleted, substituted, inserted or added and which has DNA polymerase activity.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2008070858-A (JP)
Title: Plasma display device and driving method of plasma display device
Inventor: KIM SEUNGMIN
IPC: G09G3/28
Filed: 2007-06-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a plasma display device which diversifies luminance expression, and also to provide a driving method of the plasma display device.  <P>SOLUTION: The driving method of the plasma display device includes; a step in which one frame is divided into a plurality of subfields to drive, and a sustain pulse allocated to at least one subfield among the plurality of subfields is classified into at least two sustain pulses which are different from each other in high level-voltage application time; and a step in which at least two sustain pulses are supplied to a first and second electrodes which conduct displaying operations. In this case, at least two sustain pulses are the same in cycle to each other.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008302523-A (JP)
Title: Stencil printing apparatus
Inventor: KATO HAJIME
IPC: B41L13/04
Filed: 2007-06-05
Abstract: <P>PROBLEM TO BE SOLVED: To prevent occurrence of a printing wrinkle resulting in a white stripe-like image defect caused by floating of a master after being subjected to plate making and deviation of the master in the printing wherein an active energy beam-curable ink and coated paper are used in combination.  <P>SOLUTION: A stencil printing apparatus includes a first control means for executing a special plate-making mode for performing a plate-making operation so that perforated holes 100 to be formed on a film of a master 12 by heating and driving odd-number bits corresponding to each odd-numbered heat generator and even-number bits corresponding to each even-numbered heat generator of a thermal head are formed in different lines running in the main scanning direction S, and so that the perforated holes 100 to be formed on the film by heating and driving the odd-number bits and the even-number bits adjacent to each other are not arranged adjacent to each other in the same line in the main scanning direction S.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008304012-A (JP)
Title: Ball screw device
Inventor: SAKURAI YUICHI
IPC: F16H57/02
Filed: 2007-06-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a means for preventing the leakage of cooling liquid without causing the looseness of a buried plug provided at the end of a screw shaft when bending moment or tensile force works thereon.  <P>SOLUTION: This ball screw device 1 comprises the screw shaft 3 having a spiral shaft raceway groove 4 formed in the outer peripheral face and a hollow hole 5 formed in the center passing therethrough in the axial direction, a nut 15 having a nut raceway groove 16 in the inner peripheral face in opposition to the shaft raceway groove 4, and a plurality of balls 3 for threadedly engaging the shaft raceway groove 4 with the nut raceway groove 16. At the end of the hollow hole 5, a fitting hole 30 is provided which has a locking groove 36 formed in the inner peripheral face and the bottomed buried plug 31 is provided which is fitted to the inner peripheral face of the fitting hole 30. At an opening end 34 of the buried plug, a protruded portion 35 is formed which is protruded radially outside of the screw shaft 3. The protruded portion 35 is locked to the locking groove 36 to mount the buried plug 31 at the end of the screw shaft 3.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2007227405-A (JP)
Title: Method for manufacturing light guide plate
Inventor: WATAI KAYOKO
IPC: F21Y103/00
Filed: 2007-06-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a light guide plate for planer light source device, in which the ratio of a light diffusion pattern to the other rough surface part can be easily adjusted even if the plate thickness of the light guide plate is reduced, and uniform planar lighting can be performed.  <P>SOLUTION: A rough surface pattern 14 which functions as an irregular light diffusion pattern to be formed at least on a reverse surface 12 side of the light guide plate 2 is formed so as to include many minute protrusions 14a protruded from the reference surface (reverse surface 12) of the light guide plate 2 with minimized minus protrusions 14b inwardly recessed from the reference surface of the light guide plate 2. Consequently, in the light guide plate 2 formed by the manufacturing method, even if the plate thickness is reduced, progress of light propagating from an incident surface 4 side toward a tip side 21 is hardly disturbed by the minus protrusions 14b of the rough surface pattern 14, and the formation ratio of the rough surface pattern 14 to the rough surface part 15 can be easily adjusted.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2008308996-A (JP)
Title: Exhaust emission control system for internal combustion engine
Inventor: WATANABE TADASHI
IPC: F01N3/24
Filed: 2007-06-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide technology enabling continuation of a filter regeneration process even if a vehicle is brought into a stop condition or a low speed travel condition during execution of the filter regeneration process.  <P>SOLUTION: This system is provided with a filter collecting PM in exhaust gas, a means executing filter regeneration process oxidizing and removing PM collected by the filter, a filter temperature acquisition means acquiring temperature of the filter, a vehicle speed acquisition means acquiring speed of a vehicle on which an internal combustion engine is mounted, and a cooling fan mounted for cooling a heat exchanger mounted on the internal combustion engine. The filter is provided at a position where blasted air by the cooling fan can reach. The system is provided with a filter cooling means blasting air to a periphery of the filter by forcibly driving the cooling fan or increasing rotation speed of the cooling fan when temperature acquired by a filter temperature acquisition means during execution of the filter regeneration process is not less than predetermined temperature and vehicle speed acquired by the vehicle speed acquisition means is not greater than predetermined vehicle speed.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008311781-A (JP)
Title: Motion picture encoder, motion picture decoder, motion picture encoding method, motion picture decoding method, motion picture encoding program and motion picture decoding program
Inventor: TAKIGAMI JUNYA
IPC: H04N19/463
Filed: 2007-06-12
Abstract: <P>PROBLEM TO BE SOLVED: To enhance information compression efficiency in encoding and decoding.  <P>SOLUTION: The motion picture encoder 10 comprises a block divider 101 for dividing an input motion picture signal composed of a time-series frame image signal into a plurality of blocks, a first motion vector detector 103 for detecting a first motion vector for an object block, a prediction signal generator 107 for generating a prediction signal for the object block, a subtractor 108 for generating the residual signal of the object block, and means 109, 110 and 116 for generating compression data by encoding the residual signal and the first motion vector. The motion picture encoder 10 further comprises a second motion vector generator 105 for generating a second motion vector for a plurality of object sub-blocks produced by sectioning the object block based on the first motion vector. The prediction signal generator 107 generates a prediction signal for the object sub-block.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008308438-A (JP)
Title: New influenza therapeutic agent and/or prophylactic
Inventor: SHIMOMURA TAKESHI
IPC: A61K38/55
Filed: 2007-06-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a new anti-influenza drug.  <P>SOLUTION: The new anti-influenza drug has an action different from that of an existing anti-influenza drug by inhibiting protease associated with human influenza virus infection. A pharmaceutical composition comprising Kunitz domain 1 of HGF (hepatocyte growth factor) activator inhibitor 1 or Kunitz domain 1 and/or Kunitz domain 2 of HGF activator inhibitor 2 as an active ingredient is used.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008083678-A (JP)
Title: Optical element, manufacturing method therefor and projector
Inventor: ENDO TAKASHI
IPC: G02B5/30
Filed: 2007-06-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical element, such as high-accuracy retardation element where a thin film-like birefringent material is stuck and to provide its manufacturing method.  <P>SOLUTION: A very thin retardation plate 14 is held between a first substrate 11 and a second substrate 12 via adhesive layers 16, 17. In this case, a flat curved face 14d at a boundary between a 1st adhesive layer 16 and the retardation plate 14 and a flat curved face 14e at a boundary between a 2nd adhesive layer 17 and the retardation plate 14 cancel out each other, and consequently, production of refractive force as a lens can be prevented in the retardation plate 14. Thus the phenomenon that light passing through a phase optical element 10 of a flat-shape, as a whole, will condenses or disperses according to the refraction difference in a topological optical element 10 can be suppressed.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009005456-A (JP)
Title: Multistage connection dc-dc converter
Inventor: SATO TERUHI
IPC: H02M3/155
Filed: 2007-06-20
Abstract: <P>PROBLEM TO BE SOLVED: To solve a problem that, in a conventional multistage connection DC-DC converter, a transfer function between a control voltage and an output voltage has a higher order not lower than a fourth order, whereby a circuit becomes unstable and a regulation is worsened.  <P>SOLUTION: This multistage DC-DC converter is characterized by connecting an inductor of a DC-DC converter in a succeeding stage on and after a second stage and an inductor of a DC-DC converter in the previous stage via a current transformer.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009004547-A (JP)
Title: Semiconductor device
Inventor: SAITO WATARU
IPC: H01L29/78
Filed: 2007-06-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor device of which dropping of a breakdown strength against variation in a process is small, with a shorter termination distance.  <P>SOLUTION: The semiconductor device comprises a sixth semiconductor layer having a lower impurity concentration than a periodic arrangement structure which is provided on a main surface of a first first-conductive semiconductor layer to adjoin the periodic arrangement structure, outside the periodic arrangement structure of a second first-conductive semiconductor layer and a third second-conductive semiconductor layer. It also comprises a trench which adjoins the sixth semiconductor layer, with a bottom part reaching the first first-conductive semiconductor layer. In the periodic arrangement structure, the amount of impurity of the outermost semiconductor layer of the first-conductive type or the second-conductive type that adjoins the sixth semiconductor layer is almost a half the amount of impurity of the second first-conductive semiconductor layer or the third second-conductive semiconductor layer inside the outermost semiconductor layer.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008092548-A (JP)
Title: Imaging device, photographic method and program
Inventor: MAKINO TETSUJI
IPC: G03B7/08
Filed: 2007-06-25
Abstract: <P>PROBLEM TO BE SOLVED: To shorten the time required for correction processing of decrease in the peripheral light.  <P>SOLUTION: A means for correcting the decrease in peripheral light (32d) corrects the positions of components of the characteristics of the decrease in the peripheral light for each image, using the correction amount of the positional deviation in a means for correcting position deviation (32a and 32b), with respect to n pieces of images photographed for each of the exposure time T1<SB>(1)</SB>to T1<SB>(n)</SB>, obtained by dividing a one-time exposure time T1 by n. The means 32d also generates a component of the characteristics of the decrease in the peripheral light for correction by compositing the position-corrected components of the characteristics of the decrease in the peripheral light for each image, and corrects the decrease in the peripheral light, with respect to a composited image, by using the components of the characteristics of the decrease in the peripheral light for correction.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009006296-A (JP)
Title: Organic waste decomposing device and collapsible lavatory using the same
Inventor: KITSUI TOSHIHIRO
IPC: A47K11/03
Filed: 2007-06-29
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the dead space of a treatment tank and additionally realize ensuring of the volume of the treatment tank and size optimization of the treatment tank.  <P>SOLUTION: The whole area along the parallel direction of rotary shafts 4 on the inner surface of the treatment tank 1 on or below a central line along the parallel direction of the rotary shafts 4 arranged parallel is formed in a shape along the most outer part 5A of a rotation trajectory of an agitator 5.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008030858-A (JP)
Title: Wrapping film
Inventor: NEMOTO TOMOYUKI
IPC: B65D65/40
Filed: 2007-07-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wrapping film made of a lactic acid polymer as one of the main raw materials, particularly capable of functioning suitably as a wrapping film and preventing a blocking phenomenon even if it is kept in the rolled state.  <P>SOLUTION: The wrapping film is formed as a laminated film composed of at least three layers, both surface layers of which include a polyolefin polymer A as a principal component, and the intermediate layer of which includes a lactic acid resin composition B as a principal component. The storage elastic modulus E' measured by dynamic viscoelastic measuring method at a frequency of 10 Hz and at a temperature of 20 °C is 1-4 GPa, the peak temperature of loss tangent tanδ is 20-60 °C, and the peak value is in the range of 0.1-0.8.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009015926-A (JP)
Title: Hologram recording device, hologram reproducing device, hologram recording method and hologram reproducing method
Inventor: KONO KATSUNORI
IPC: G11B7/135
Filed: 2007-07-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hologram recording device, hologram reproducing device, hologram recording method and hologram reproducing method which enables an increased capacity of an optical recording medium by superposing a signal light and a reference light spatially without using a special optical recording medium.  <P>SOLUTION: A hologram of the signal light S is recorded on the optical recording medium 54 by irradiating the optical recording medium 54 with the light produced by multiplexing the signal light S modulated by a spatial light modulator 24 and the reference light R modulated with a pixel pitch not more than the pixel pitch of the signal light S or not more than double of the pixel pitch of the signal light S by modulation plate 40 with a beam splitter 34 and condensing it by Fourier transformation lens 52. When reproducing information, the signal light S is extracted by irradiating the optical recording medium 54 with the reference light R, condensing the diffraction light generated from the hologram with a lens 60 and removing the reference light R with a low pass filter 62, since a spatial frequency of the reference light R is modulated to a spatial frequency higher than all or a part of the signal lights S.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009012550-A (JP)
Title: Seat air-conditioner for automobile
Inventor: NAGANO HIDEKI
IPC: B60H1/32
Filed: 2007-07-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a seat air-conditioner for an automobile capable of always supplying stable cool air irrespective of whether an air conditioner is operated or not by focusing attention on the specific portion of an evaporator disposed in the air conditioner unit.  <P>SOLUTION: This seat air-conditioner 1 for an automobile guides the cool air from the air conditioner unit 2 for air-conditioning the inside of the cabin to a vehicle seat 35, and blows it out of outlet ports 38a, 38b formed in the vehicle seat 35. An outlet port 17 for taking out the cool air from the air conditioner unit 2 is formed in at least right or left side lower space on the downstream side of the evaporator 8. A duct 18 is connected to the outlet port for guiding the cool air to the vehicle seat 35.  <P>COPYRIGHT: (C)2009,JPO&INPIT