baber/WOPTO huggingface dataset:
Patent JP-2008198421-A (JP)
Title: Solid oxide fuel cell and manufacturing method of electrode for same
Inventor: TABATA YOSHITAKA
IPC: H01M4/86
Filed: 2007-02-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electrode for solid oxide fuel cell in which the initial performance is maintained stably for a long period and a high activity can be obtained even when a hydrocarbon system fuel is used.  <P>SOLUTION: The exposed face of a YSZ substrate 101 other than a fuel electrode 103 and an air electrode 105 is covered with a mask layer 111. These are immersed in a solution of a metal salt of organic acid (organic acid compound) which can be a compound oxide of a composition of (2-x)(CeO<SB>2</SB>)-x(CoO) (0.2≤x≤1.2) in a container with a prescribed pressure (first pressure) reduced in pressure. For example, they are immersed in a solution of a gluconic acid compound. When the internal pressure of the container is increased to, for example, atmospheric pressure, the solution is impregnated in a plurality of pores in porous state to form a fuel electrode 103a. Thereafter, the unit cell is dried and then, the unit cell is applied a heat treatment of 850°C* four hours in the atmosphere.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008198438-A (JP)
Title: Polymer electrolyte fuel cell
Inventor: TOYOSAWA SHINICHI
IPC: H01M8/10
Filed: 2007-02-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a polymer electrolyte fuel cell which has less changes in battery performance even under high humid condition and low humid condition and has a high robustness.  <P>SOLUTION: The polymer electrolyte fuel cell is provided with a solid polymer electrolyte membrane 3, a catalyst layer 5 arranged respectively on both sides of the solid polymer electrolyte membrane, a gas diffusion layer 6 respectively arranged at the outside of the catalyst layer 5, and a separator 2 respectively arranged at the outside of the gas diffusion layer 6. The catalyst layer 6 consists of a carbon fiber which is produced by oxidation polymerizing a compound having an aromatic ring to form a fibril-like polymer and by calcining the fibril-like polymer, a metal catalyst carried on the carbon fiber, and an ion conductive polymer impregnated in the carbon fiber. The catalyst layer 5 has a mass of ion conductive polymer at the upstream part larger than the mass of the ion conductive polymer at the downstream side in the supply of the oxidizer gas.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007188891-A (JP)
Title: Light guide plate
Inventor: KARANTARU KARIRU
IPC: F21Y103/00
Filed: 2007-02-16
Abstract: <P>PROBLEM TO BE SOLVED: To obtain bright and uniform exit light by which a light source is not reflected and dark areas are not brought about even in both ends of an incidence end face around the incidence end face.  <P>SOLUTION: A light guide plate 2 is configured to have backside portions 7a and 7b having respective inclines of a single slope from incidence end faces 3a and 3b to a central portion between the two incidence end faces 3a and 3b so that a distance between a surface 6 and the backside portions 7a, 7b is minimum at the incidence end faces 3a and 3b and is maximum at the central portion. Light rays incident upon the incidence end faces 3a and 3b do not exceed a critical angle when traveling in a direction away from the incidence end faces 3a and 3b until the central portion, exceed a critical angle when then traveling to the mutual incidence end faces 3a and 3b past the central portion, do not exceed a critical angle when subsequently traveling to the central portion after being reflected on the mutual incidence end faces 3a and 3b, and exceed a critical angle and bring about their output when thereafter traveling back to the incidence end faces 3a and 3b past the central portion.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2008201513-A (JP)
Title: Medium conveying device and image forming device
Inventor: UDAGAWA HIROSHI
IPC: B65H9/00
Filed: 2007-02-19
Abstract: <P>PROBLEM TO BE SOLVED: To solve inconvenience that correction is completely performed when a recording medium is largely skewed and unnecessary abutment is performed to damage the medium when skewing is contrarily less in a medium conveying device used for an image forming device or the like and provided with function for correcting the skewing of the recording medium.  <P>SOLUTION: The medium conveying device is provided with a pair of conveying rollers 308 extending in a direction approximately perpendicular to a conveying direction of the recording paper and abutted with a leading end of the conveying recording paper; a feed roller 203 and a retard roller 204 for conveying the recording paper toward the pair of conveying rollers 308; a paper sensor unit 302 for detecting passing of both ends in a width direction of the conveying recording paper; and a means for controlling these. After passing of both ends of the recording paper is detected by the paper sensor unit 302, the recording paper is conveyed by a predetermined amount and is abutted on a nip part of the pair of conveying rollers to correct the skewing of the recording paper.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008202462-A (JP)
Title: Blower, and air conditioner and ventilation device provided with blower
Inventor: AKAI TOMONORI
IPC: F24F7/00
Filed: 2007-02-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a blower which inhibits formation of ozone and provide an air conditioner and a ventilation device provided with the same.  <P>SOLUTION: The blower device 100 is provided with: a needle type electrode 110 generating ion by discharge; and an opposing electrode 120 opposing to the needle type electrode 110, and forms air current of ion wind by generating ion. The needle type electrode 10 is constructed to change over generation of ion by Townsend discharge and generation of ion by corona discharge.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008205760-A (JP)
Title: Fractional frequency division pll device and control method thereof
Inventor: HASEGAWA MORIHITO
IPC: H03K23/64
Filed: 2007-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fractional frequency division PLL device capable of improving convenience by reducing the number of parameters to be set and simplifying a circuit, and a control method thereof.  <P>SOLUTION: For an initial period of an A cycle of a first frequency division signal fpr, a second frequency division signal fA is maintained at a high level and a third frequency division signal fB is maintained at a low level. A 3 modulus prescaler 13 has an (M+1) frequency division value. In the successive B cycle, the second frequency division signal fA is at a low level, and the third frequency division signal fB is at a high level. The 3 modulus prescaler 13 has an (M-1) frequency division value in the case of a negative value and an (M+1) frequency division value in the case of a positive value in accordance with a code of a pseudo random number outputted from a ΣΔ modulator 8. Thereafter, it has an M frequency division. A comparison frequency divider 4 can obtain a frequency division value of (MN+A+Bx) including a pseudo random number Bx. A pseudo random number including a negative value can be used as it is to achieve fractional frequency division by ΣΔ modulation.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008202094-A (JP)
Title: Plated steel sheet for can, and method for producing the same
Inventor: DATE HIROMITSU
IPC: C25D5/26
Filed: 2007-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a surface treated steel sheet which is used for a beverage can, a food can or the like, and is excellent in organic film adhesion and corrosion resistance.  <P>SOLUTION: The plated steel sheet for can, which is provided with a tin alloy layer and a metal tin layer in this order from the steel sheet side, is at least provided with a chemical conversion treatment layer comprising tin oxide of 0.3 to 5.0 mC/cm<SP>2</SP>as the quantity of electricity required for reduction, and tin phosphate of 0.5 to 5.0 mg/m<SP>2</SP>in terms of a P content on the upper layer thereof. It is preferable that the surface of the chemical conversion treatment layer is provided with a film containing a silanol group-containing organic compound of 0.2 to 2 mg/m<SP>2</SP>in terms of an Si content.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007282194-A (JP)
Title: Color separation method and image processing device
Inventor: TAKAHASHI MASAOMI
IPC: H04N1/46
Filed: 2007-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To actualize color separation in which total color material amount does not exceed the limiting value for the total color material amount while keeping density characteristics of the outputs in forming a color separation table for dark and light n color outputs from four color inputs, and to actualize to control graininess and color material consumption by performing optimum color separation considering the color material amounts of the four colors so that light color material amounts can be controlled in the entire color region.  <P>SOLUTION: The color separation method constitutes a process for converting an image signal into signals of color materials used in a recording device. The color separation method performs conversion into color material value signals, which include color material values of dark color materials and of light color materials. The method includes a step of deriving a total amount of dark and light color materials from the relation between the limiting value of the total color material amount and the color material amount used in the recording device including the color material amounts of the color materials other than the dark color materials and the light color materials, a step of deriving the density expressed by the total of the dark color materials and light color materials, and a step of deriving respective color material value signals of dark and light color materials from the total color material amount and the density.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008201723-A (JP)
Title: Microfluid device, reaction unit, and reaction method
Inventor: HIROTA MASANORI
IPC: C07C205/12
Filed: 2007-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a microfluid device, a reaction unit and a reaction method, excellent in reactivity and reaction efficiency at room temperature, and enabling a reaction to be conducted safely.  <P>SOLUTION: The microfluid device is provided, at least having a microflow channel for gas equipped with a plasma-forming mechanism using gas discharge, a microflow channel for liquid, and a microflow channel for gas-liquid mixed phase formed by joining the microflow channel for gas and the microflow channel for liquid together. The reaction unit using the above microfluid device is also provided. Besides, the reaction method is provided, comprising the step of preparing the reaction unit, the step of feeding a gas into the microflow channel for gas, the step of feeding a liquid containing reactant(s) into the microflow channel for liquid, the step of generating radicals derived from the gas by the plasma-forming mechanism, the step of forming a bubble flow or slag flow comprising the liquid containing the reactant(s) and the gas containing the radicals in the microflow channel for gas-liquid mixed phase, and the step of conducting a reaction between the reactant(s) and the radicals.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007224913-A (JP)
Title: Muffler for exhaust system
Inventor: LENG SASCHA
IPC: F01N1/02
Filed: 2007-02-22
Abstract: <P>PROBLEM TO BE SOLVED: To rather weaken the damping of intermediate frequencies by rather remarkably lowering sound levels at low frequencies and high frequencies in a muffler (1) for an exhaust system (4) of an internal combustion engine, particularly one mounted to a powered vehicle.  <P>SOLUTION: This muffler (1) comprises a housing (2) having at least one sound absorbing chamber (8) filled with a sound absorbing substance (9) having a sound effect for an air propagating sound, a through pipe (3) passing through the housing (2) and conveying exhaust gases while the muffler (1) is used, and at least one blind pipe (10) one end of which is connected to the side of the through pipe (3) and the other end of which is closed. The blind pipe (10) has a wall (13) acoustically transmitting the air propagating sound to an area extending in the sound absorbing chamber (8).  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2008204577-A (JP)
Title: Recording device and reproducing device
Inventor: SAKAI TAKESHI
IPC: G10L19/018
Filed: 2007-02-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a recording device and a reproducing device, capable of performing digital watermark detection at low speed even in a case of high double-speed recording.  <P>SOLUTION: The devices includes a reproduction means for reproducing a content; a compression encryption means for compression-encrypting a content output of the reproduction means; a digital watermark detecting data extraction means for extracting data for a time necessary for detection of digital watermark based on the content output of the reproduction means; a digital watermark detecting data storage memory for storing an output of the digital watermark detecting data extraction means; a digital watermark detection means for detecting a digital watermark based on an output of the digital watermark detecting data storage memory; and a recording means for recording an output of the compression encryption means in a recording medium based on an output of the digital watermark detection means.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008200834-A (JP)
Title: Workpiece holder
Inventor: UMEZAKI TAKASHI
IPC: B24B37/27
Filed: 2007-02-22
Abstract: <P>PROBLEM TO BE SOLVED: To solve a problem that a cushioning part of a workpiece holder is made to largely shrink during cooling, because it is constituted of a thermoplastic resin, etc, thus allowing a gap to generate between the workpiece holder body and the cushioning part, thereby easily removing the cushioning part.  <P>SOLUTION: In order to solve the above-described problem, a workpiece holder comprises a cushioning part sandwiched by walls approximately parallel to a thermal shrinking direction, being a main direction of the thermal shrinking directions at the time of flowing resin to form its own body, and having a plurality of tongue pieces that engage with a recess engagement part that inclines at an angle from 45 degrees to 90 degrees with respect to a stress received from an end face of the workpiece where the parallel walls are disposed; and a workpiece holder body having the recess engagement part. When the cushioning part has such tongue pieces so as to be engaged with the recess engagement part of the workpiece holder body, occurrence of the gap by the thermal shrink of the cushioning part can be suppressed and the cushioning part can be made to be hardly removed.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008210548-A (JP)
Title: Fuel cell
Inventor: HASEBE HIROYUKI
IPC: H01M8/02
Filed: 2007-02-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel cell excellent in output characteristics, suppressed in excess heat generation, and easy in handling.  <P>SOLUTION: The fuel cell includes: a membrane electrode assembly having a fuel electrode, an air electrode, and an electrolyte membrane interposed between the fuel electrode and the air electrode; and a fuel supply mechanism arranged on the fuel electrode side of the membrane electrode assembly and supplying fuel to the fuel electrode of the membrane electrode assembly. Heat resistance from the outermost surface on the air electrode side to the air electrode is made lower than that from the outermost surface on the fuel electrode side to the fuel electrode.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008208179-A (JP)
Title: Resin composition for sealing optical semiconductor and optical semiconductor device
Inventor: NAKASUJI IKUO
IPC: C08K3/22
Filed: 2007-02-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a resin composition for sealing an optical semiconductor, hardly receiving the influence of disturbance light and capable of preventing the malfunction by improving light transmission efficiency between inside light-receiving and emitting elements not only when producing an optical semiconductor device of a single channel type but also especially when producing an optical semiconductor device of a multichannel type, and providing a cured product having improved characteristics such as flexural strength, moisture reliability and reflow resistance by improving moldability.  <P>SOLUTION: The resin composition for sealing the optical semiconductor contains an epoxy resin, a curing agent, silica powder, titanium dioxide and an organic dye. The content of the titanium dioxide is 15-30 mass% based on the whole amount of the resin composition for sealing the optical semiconductor. The maximum absorption wave length of the absorbance of the organic dye is 300-750 nm.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007254276-A (JP)
Title: Alumina sintered compact, its manufacturing method, and liquid crystal manufacturing unit using them
Inventor: OSAKI MAKOTO
IPC: C04B35/10
Filed: 2007-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of resolving the problem of crack and breakage which are generated during sintering by contraction variation caused by orientation of alumina particles in a large member for a liquid crystal manufacturing unit comprising a long board alumina sintered compact with not smaller than 100 mm width, not shorter than 2 m length, and not smaller than 20 mm thick, manufactured by gel casting method.  <P>SOLUTION: In a nearly rectangular solid alumina sintered compact with not shorter than 2,000 mm length, not smaller than 100 mm width, and not shorter than 20 mm thick, difference between the X-ray diffraction peak strength ratio [surface (006)/surface (110)] at the center of its main surface in the direction of length and that at the end of the main surface in the direction of length is 0.01-0.15 in absolute value.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008207528-A (JP)
Title: Colored matter manufacturing process and inkjet recording device
Inventor: ITO YOSHIKATSU
IPC: C09D11/00
Filed: 2007-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a colored matter manufacturing method in which an ink deposition amount and a stripe unevenness are suppressed, and to provide an inkjet recording device used for it.  <P>SOLUTION: The colored matter manufacturing process repeatedly conducts, per scanning or color, the step of conducting a wettability improving process selected from the group consisting of plasma processing, corona processing, and frame processing on an ink giving surface, the step of giving ultraviolet curing type ink by an inkjet system to the processing surface, and the step of ultraviolet irradiating to the given ultraviolet curing type ink. Alternatively, the inkjet recording device has a processing unit for conducting the wetness improving process selected from the group consisting of the plasma processing, the corona processing and the frame processing, and a linear type ink head having linearly the ultraviolet curing type ink head and an ultraviolet irradiating unit.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008218472-A (JP)
Title: Semiconductor device
Inventor: SUZUKI TOSHIO
IPC: H01L23/50
Filed: 2007-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a resin-packaged type semiconductor device wherein a semiconductor element mounted to a die pad and a lead is connected by a bonding wire and they are packaged by a mold resin and wherein the surface diffusion of a base metal is suppressed in an inner lead and the adhesion between the mold resin and the inner lead is ensured to easily prevent peeling of resin.  <P>SOLUTION: A gold thin-film formed on the surface of an inner lead 12a of a lead 12 that is covered with a mold resin 40 is larger in thickness than that formed on the surface of an outer lead 12b thereof.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008212005-A (JP)
Title: Primer set for detecting dna marker linking to maize pleiophylly-associated gene locus, and use thereof
Inventor: OISHI HIDEKI
IPC: C12Q1/68
Filed: 2007-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a primer set for detecting a DNA marker linked to a gene locus instrumental in the increase in female ear upper leaves of maize, a method for discriminating the presence of a pleiophylly-associated gene locus, and to provide a method for preparing maize pleiophylly phylesis group.  <P>SOLUTION: The primer set is for detecting a DNA marker linked to a pleiophylly-associated gene locus and detects a DNA marker linked to a pleiophylly-associated gene locus (lfy1) boarded on a third chromosome of maize. The method for discriminating the presence of a pleiophylly-associated gene locus of investigation individual comprises performing PCR with respect to a maize genome DNA by using the primer set, and examining the length of amplified fragment. The method for preparing a phylesis, having a large number of female ear upper leaves in its posterity includes selecting of a seedling of individual that has a pleiophylly-associated gene locus by the method described. By using these means, multilobed phylesis in a seedling stage can be selected.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008113402-A (JP)
Title: Amplifier
Inventor: IYOMASA KAZUHIRO
IPC: H03F3/60
Filed: 2007-03-02
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a small-sized amplifier with higher efficiency, wide band and small mounting area for real transistors.  <P>SOLUTION: An amplifier comprises: a transistor 10 for amplification; a stab 20 for higher harmonic wave reflection which is connected to an output terminal of the transistor 10 for amplification and diffuses an input susceptance at a plurality of frequencies each of which is an integer multiple of a fundamental wave frequency f<SB>0</SB>; and a fundamental wave matching circuit 30 whose one terminal is connected to the output terminal of the transistor 10 for amplification in parallel with the stab 20 for higher harmonic wave reflection and another terminal is connected to a load circuit and which impedance-matches a sum of an output admittance of the transistor 10 for amplification and the input susceptance of the stab for higher harmonic wave reflection to an impedance value of the load circuit, wherein the stab 20 for higher harmonic wave reflection includes one trunk stab T21 whose one terminal is connected to the output terminal of the transistor for amplification, and a plurality of branch stabs T22, T23 branched and connected in parallel to another terminal of the trunk stab T21.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008215180-A (JP)
Title: Intake control device for vehicular engine
Inventor: KOSUGI ATSUSHI
IPC: F02B27/02
Filed: 2007-03-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide an intake control device for a vehicular engine providing simplified structure by combining a throttle body having an electric throttle valve with an intake manifold having a selector valve activated between the position of a long passage and the position of a short passage for changing the effective length of the intake passage in the inside from long to short.  <P>SOLUTION: The intake manifold M is provided with the selector valve 8 for changing the effective length of the intake passage inside of the intake manifold from long to short, and a first electric motor 11 driving the selector valve 8. The throttle body 10 connected to the intake manifold M is provided with the throttle valve 15, an opening spring 18 for pressing the throttle valve 15 in an opening direction, and a second electric motor 12 driving the throttle valve 15 for opening/closing. A limp position A for applying intake volume for enabling the vehicle to travel at an extremely slow speed to an engine E is provided at the changeover position of the selector valve 8. When the second electric motor 12 is de-energized, the selector valve 8 is retained at the limp position A.  <P>COPYRIGHT: (C)2008,JPO&INPIT