baber/WOPTO huggingface dataset:
Patent JP-2003208056-A (JP)
Title: Fixing unit, image forming apparatus, and releasing agent application roller
Inventor: YOSHINAGA HIROSHI
IPC: G03G15/20
Filed: 2002-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fixing unit that prevents a decrease in the transmittance of light through an OHP sheet and dulling of colors even in the use of a releasing agent application roller which has a foam body on its surface, to provide an image forming apparatus which has the fixing device, and to provide the releasing agent application roller which has the foam body on its surface and is provided for them.  <P>SOLUTION: The releasing agent application roller 32 for applying a releasing agent to a sheet conveying member 2 which fixes a toner image while conveying a sheet-like medium has the foam body 66 at least on its surface. The average of the diameters of the bubbles of the foam body 66 is equal to or less than 75 μm.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003217472-A (JP)
Title: Electron gun and display device
Inventor: SODEYAMA KUNIO
IPC: H01J29/48
Filed: 2002-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To achieve high-definition image display in a wide current range by reducing the spot size of an electron beam.  <P>SOLUTION: A pre-focussing lens is formed by using a first electrode 21, a second electrode 22 and a third electrode 23 sequentially disposed in the beam traveling direction from cathodes 20R, 20G and 20B used for emission sources of the electron beams as a structure of this electron gun. A voltage V3 supplied to the third electrode 23 is set at an optimum value for reducing both the object point diameter and the divergence angle of each electron beam in the condition where it is higher than focussing voltages Fv1 and Fv2 and lower than an anode voltage Hv.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003034509-A (JP)
Title: Apparatus for generating ozone
Inventor: HAN SEUNG HEE
IPC: C01B13/11
Filed: 2002-01-18
Abstract: PROBLEM TO BE SOLVED: To control the concentration of generated ozone linearly by mixing a low frequency pulse having a on/off time ratio responding to a control signal and a high frequency high voltage signal for inducing an electric discharge and by converting the on/off time ratio of a high frequency high voltage pulse applying it to an ozone generator. SOLUTION: The apparatus includes an oxygen generator 102 for supplying oxygen, the ozone generator 104, in which ozone 112 is generated by applying an electric discharge to oxygen flowing into it from the oxygen generator 102, a high frequency inverter 108 for supplying a high frequency pulse signal having an controlled on/off time ratio and a high voltage transformer 106 for converting the high frequency pulse signal to be on a predetermined signal level and supplying it to the ozone generator 104.
Patent JP-2003219315-A (JP)
Title: Display apparatus
Inventor: MIURA SHIGEHIKO
IPC: B60K37/00
Filed: 2002-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a display apparatus capable of properly preventing a liquid crystal display panel from being deteriorated even under a severe environment for the liquid crystal display panel caused by a front door left unclosed by a passenger.  <P>SOLUTION: The display apparatus mounted on a vehicle and including an enclosure and a display panel placed turnably in front of the enclosure includes: an inoperative state detection means for detecting an inoperative state of the display panel, a strength detection means for detecting the strength of the direct incident sunlight to a display face of the display panel; and a control means for detecting that the inoperative state detection means is in an inoperative state of the display panel and turning the display panel to avoid the sunlight from being directly incident on the display face of the display panel when the strength detection means detects that the strength of the direct incident sunlight on the display panel is high.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003212771-A (JP)
Title: Anti-neissria bacterium composition
Inventor: OKUBO TSUTOMU
IPC: A61P31/04
Filed: 2002-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide an anti-Neisseria bacterium composition which can sterilize Neisseria bacterium in oral cavities and is safe and simple.  <P>SOLUTION: Tea powder or tea extract contains one or more substances selected from the group consisting of (+)-catechin, (-)-epicatechin, (+)- gallocatechin, (-)-epigallocatechin, (-)-catechin gallate, (-)-epicatechin gallate, (-)-gallocatechin gallate, (-)-epigallocatechin gallate, free theaflavin, theaflavin monogallate A, theaflavin monogallate B and theaflavin digallate. A composition containing the substance exhibits a strong antibacterial action against Neisseria bacterium which is one of bacteria in oral cavities.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003217489-A (JP)
Title: Electron tube
Inventor: TOMONAGA SHINJI
IPC: H01J40/04
Filed: 2002-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electron tube capable of improving uniformity of luminance by equalizing the distribution of an antimony film without limiting a structure.  <P>SOLUTION: In depositing the antimony film on a photoelectric surface 4, a movable electrode 13 is positioned on the center side of a fixed electrode 11. An evaporation source 14 in the circumference of the movable electrode 13 stops positioning itself on a center axis of a converging electrode 7 forming the curvature center of the photoelectric surface 4. Antimony 16 is evaporated by heating a heating source 15 to deposit the antimony film on the photoelectric surface 4. When the deposition of the antimony film on the photoelectric surface 4 is finished, the movable electrode 13 is formed into a circular ring-like shape along with the fixed electrode 11. The movable electrode 13 is locked when formed into the circular ring-like shape along with the fixed electrode 11, and has a function as the converging electrode 7.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003211729-A (JP)
Title: Imaging apparatus
Inventor: YAMADA NAOTO
IPC: H04N1/23
Filed: 2002-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide an imaging apparatus in which a service man can check the operation and can perform maintenance readily to shorten the service time, and a user can deal with a failure appropriately.  <P>SOLUTION: The imaging apparatus outputting two or more light beams comprises an imaging speed controlling means capable of switching the speed of imaging operation freely, a light beam output control means for selecting the number of light beams being outputted depending on each recording mode, a light beam detecting means for detecting output of a light beam in each recording mode, means for comparing the detected number of outputted light beams with the selected number of outputted light beams, and means for generating an alarm signal when the number of outputted light beams are different.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003215404-A (JP)
Title: Optical transmission and reception module
Inventor: ITABASHI NOBUTAKA
IPC: G02B6/42
Filed: 2002-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To prevent optical characteristics from deteriorating by eliminating a gap between an optical fiber and an optical filter by interposing the optical filter between abutting surfaces of optical fibers without burying the optical filter.  <P>SOLUTION: Two ferrule joining materials are formed each by forming a step part at a ferrule end part where an optical fiber is buried and exposing a portion of an optical fiber circumferential surface and inserted into a guide sleeve, and end surfaces of optical fibers are made to abut against each other across the optical filter, thereby optically coupling the optical fibers with each other.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003224123-A (JP)
Title: Method for fabricating manufacturing device
Inventor: INO TSUNEHIRO
IPC: H01L27/105
Filed: 2002-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a manufacturing cost by reducing the distribution of electric characteristics of an epitaxial dielectric thin film significantly in the surface of a substrate.  <P>SOLUTION: In the method for manufacturing a semiconductor device having a dielectric thin film epitaxially deposited on a substrate dirctly or indirctly, an SRO thin film 22 is formed on an STO substrate 21 by sputtering, a BTO thin film 23 is then formed on the SRO thin film 22 under conditions of thickness t=40 nm, substrate temperature T=550°C, angle between the substrate and a target ϕ=90°, shortest distance between the substrate and the dielectric target l=65 mm, spinning speed of the substrate ω=12 rpm, sputtering gas pressure p=0.27 Pa, partial pressure of oxygen in the sputtering gas p<SB>02</SB>=0.034 Pa, and RF power per target area Ps=7.3 W/cm<SP>2</SP>. Finally, an SRO film 24 is formed further thereon by sputtering.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003223222-A (JP)
Title: Self-propelled apparatus and program therefor
Inventor: HARA YUMIKO
IPC: G05D1/02
Filed: 2002-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To enable a self-propelled apparatus to automatically travel in an intended direction during automatic traveling in the home or the like.  <P>SOLUTION: The self-propelled apparatus is provided with a traveling means 2 for traveling forward or backward, a traveling control means 3 for controlling the traveling means 2 to travel in a predetermined direction which is determined by a wall as a reference, a gyro 4 for detecting angular velocities of direction rotation, a gyro reference value storage means 5 for storing the reference value of the gyro 4, and an angle computing means 6 for computing the angle from the angular velocities in conformity with the individual characteristics of the gyro 4. Consequently, the self-propelled apparatus can automatically travel in the intended direction during automatic traveling.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003222775-A (JP)
Title: Optical communication component and method for manufacturing the same
Inventor: MOROOKA TAKAYOSHI
IPC: G02B7/02
Filed: 2002-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To enhance junction strength between a base material and a foundation layer of a holder, prevent the foundation layer from peeling after fixing and prevent an optical element and an optical fiber from dropping by preventing corrosion of the base material, and further to equalize a thickness of the foundation layer of the holder, enhance junction strength and prevent the optical element and the optical fiber from dropping.  <P>SOLUTION: The foundation layer is provided on a surface of the holder on a fixed side of the optical element or the optical fiber. A diffusion layer comprising only a constituent of the foundation layer and a constituent of the base material of the holder is provided on a boundary between the foundation layer and the base material of the holder. A metal foil or a metal thin plate as the foundation layer is placed on a surface of the base material of the holder. The metal foil or the metal thin plate and the base material of the holder are pressed. The foundation layer fixed to the base material of the holder is formed by diffusion junction. The optical element or the optical fiber is fixed to the holder through the foundation layer.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003235241-A (JP)
Title: Power supply and its discharge current controlling method
Inventor: ARAI NAOKI
IPC: H02M3/00
Filed: 2002-02-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a highly efficient power supply having appropriate discharge characteristics generating no residual voltage, and its discharge current controlling method in which the discharge current can be regulated accurately without generating unnecessary discharge current.  <P>SOLUTION: An input voltage detecting section ID connected with the input terminal In of a DC/DC converting section CNV delivers detection results corresponding to an input voltage as an input detection signal, and performs on/off control of a discharge control section DC. The discharge control section DC is supplied with a power supply voltage for control section from a charge storage section CS connected with the output terminal Out of the DC/DC converting section CNV through a charge storage section output terminal CST, and connected with the output terminal Out depending on the input detection signal from the input voltage detecting section ID and the power supply voltage for control section from a charge storage section CS, thus controlling a discharge current control section DL.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003226108-A (JP)
Title: Pneumatic radial tire
Inventor: UEDA YOSHIO
IPC: B60C9/18
Filed: 2002-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pneumatic radial tire reduced in weight thereof, while maintaining the durability, by devising the structure of a belt layer.  <P>SOLUTION: This pneumatic radial tire has two layers of belt layers 3A and 3B formed of a rubber coated material, which is formed by arranging spirally molded steel single wires 4 having a diameter of 0.38-0.45 mm in parallel with each other, in the peripheral side of a carcass layer 2 of a tire crown part 1. A space (t) in the tire radial direction between the steel single wires 4 forming the outside belt layer 3B and the inside belt layer 3A is set at 0.35 mm or more, and a value (wave height (h) - diameter (d)) obtained by subtracting the diameter (d) from the wave height (h) of the steel single wires 4 and the wave length λ are set to satisfy the relation that 0.01≤(h-d)/λ≤0.50. Width of each belt layer is set to satisfy the relation that 1.00 < outside belt layer width BW/real grounding width RCW≤1.15, and 0.91 ≤ outside belt layer width BW/inside belt layer width AW≤0.95.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002272496-A (JP)
Title: High-specificity homocysteine assay for biological sample
Inventor: TAN YUYING
IPC: C12N9/10
Filed: 2002-02-06
Abstract: PROBLEM TO BE SOLVED: To provide a method for assaying the homocysteine concentration in a sample of a biological fluid such as urine, whole blood and blood plasma without interference with cysteine usually present in the sample. SOLUTION: The homocysteine concentration is assayed by bringing a homocysteinase having an amino acid sequence of sequence number 10 (refer to the specification) or its variant into contact with the sample of the biological fluid, measuring the produced hydrogen sulfide and thereby reducing interference with the cysteine.
Patent JP-2003234066-A (JP)
Title: Method for manufacturing shadow mask and apparatus for coating etching-resistant layer for manufacturing shadow mask
Inventor: NIKAIDO MASARU
IPC: C23F1/08
Filed: 2002-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus for coating an etching-resistant layer for manufacturing a shadow mask in which the life of a gravure roll is prolonged.  <P>SOLUTION: The gravure roll 16 is formed of a ceramic material 18 of chromium oxide of 1000 kg/mm<SP>2</SP>or higher in hardness and 5% or less in porosity around a metal roll 17 by sputtering. A carved section 19 having spiral grooves filled with a coating solution 22 for an etching-resistant layer is formed on the periphery of the ceramic material 18 by laser processing. The coating solution 22 is coated on a belt-like metal sheet 12 by speedily rotating the gravure roll 16 oppositely to the running direction of the metal sheet 12. The wear of the gravure roll 16 is reduced due to the surface hardness of the ceramic material 18 of 1000 kg/mm<SP>2</SP>or higher and the chipping thereof is prevented due to the porosity of 5% or less. Since the carved section 19 of the ceramic material 18 is carved by laser processing, the damage to the metal sheet 12 is small, resulting in the long life of the gravure roll 16 itself.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003231158-A (JP)
Title: Injection molding die
Inventor: TANIGAWA TOMIO
IPC: B29C45/26
Filed: 2002-02-08
Abstract: <P>PROBLEM TO BE SOLVED: To realize an injection molding die which can dispense with the manual labor and extra time to cut the embossing part of a molding die to the three-dimensional curved surface and unload the die from an injection molding machine and disassemble the die each time an injection shot is made during test molding.  <P>SOLUTION: In this injection molding die 200, an embossing pin 6 is fitted into a fixed half 1 of the die 200 in such a way that the pin 6 moves forward/ backward in the vertical direction, while the pin 6 is urged by means of a coil spring 8, and a semi-spherical part 18 formed at the tip of the embossing pin 6 urged by a coil spring 8 is moved back and forth to a cavity 3 by moving forward/backward the semi-spherical part 18 while an adjusting pin 7 is screwed into a truncated-core-shaped hole 19 from the side face of the fixed half 1 and also by advancing/retreating the truncated-core-shaped part 24 formed at the tip of the adjusting pin 7 while sliding the truncated-core-shaped part 24 to the truncated-core-shaped hole 19 of the embossing pin 6. Thus it is possible to achieve the advancing/receding action of the semi-spherical part 18 at the tip part of the embossing pin 6, to a cavity 3.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003232300-A (JP)
Title: W-shaped air lift pump pipe and septic tank
Inventor: KOIZUMI YUJI
IPC: F04F1/18
Filed: 2002-02-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide an air lift pump pipe allowing the pipe diameter of a liquid suction pipe and a lifting pipe to be smaller than the conventional one, having little adhesion and deposition of sludge or not requiring an adjusting device such as an adjusting measure.  <P>SOLUTION: In this air lift pump pipe 1, the lifting pipe 3 having a liquid drain port 5 at the upper part, and an air supply pipe 4 having an opening part 8 at the upper part, are connected in approximately U-shape directly or through connecting members 6a, 6b, 6c. The liquid suction pipe 2 having a liquid suction port 10 at the upper end is formed at a bottom part 12 of approximately U-shape, branching off to rise directly or through the connecting members 6a, 6b, 6c. Furthermore, the height position of the liquid suction port 10 of the liquid suction pipe 2 is formed in a position lower than the height position of the liquid drain port 5 of the lifting pipe 3.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003242519-A (JP)
Title: Image processor
Inventor: NARITA ATSUSHI
IPC: G06T15/00
Filed: 2002-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image processor capable of performing an image processing such as α blending in a process of bitblt processing.  <P>SOLUTION: A selector 52 selects and outputs one of primitive data 143, host local transfer image data S12 and destination data S147a to an α blend circuit 53. The α blend circuit 53 turns the α blending processing of inputted image data on/off on the basis of a control signal S55. A selector 54 selects either one of image data S139 or image data S53 and writes it is DRAM 147.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003243478-A (JP)
Title: Conveying container supporter
Inventor: OKADA AKIO
IPC: H01L21/677
Filed: 2002-02-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a conveying container supporter suitable for use by mounting on a conveyor of a container for housing semiconductor wafers in upright bearing.  <P>SOLUTION: The supporter comprises a body 15 for supporting a bottom plate 2a of a container 2, and a stopper 16 for catching an end plane 2c at the sloped lower end of the container 2. The body 15 is sloped in parallel to the inclined direction of the container and pivoted so as to freely rock around an axis 18 parallel to the inclined direction of the container. The stopper 16 is pivoted so as to freely conduct vertical seesaw motion at an intermediate part, and mounted on the front end of a movable arm 23 to which a spring 26 for urging and holding the front end of the stopper at a lowermost position is provided. The rear end of the movable arm 23 is provided with an operating part 27 which is depressed against the spring 26 by the bottom plate 2a of the container 2, and when the bottom plate 2a of the container 2 is supported by the body 15, the stopper 16 which vertically moves by interlocking the depression of the operating part 27 is made to abut on the end plane 2c at the inclined lower end of the container 2.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003237087-A (JP)
Title: Method and apparatus of manufacturing nozzle plate for inkjet printer, and nozzle plate for inkjet printer
Inventor: MARK SCHNEIDER
IPC: B41J2/135
Filed: 2002-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and an apparatus of manufacturing a nozzle plate for an inkjet printer, and a nozzle plate for an inkjet printer in which a minute bore of a predetermined shape can be efficiently formed in the nozzle plate.  <P>SOLUTION: When a laser light passes two parallel flat plates 3 and 4 while the plates 3 and 4 inclined by the same angle to an optical axis in directions to be opposed each other are rotated at a uniform velocity in opposite directions, the laser light refracted by the plates is irradiated within a controlled range (±Δ), so that a fine and narrow funnel shape can be efficiently formed in the nozzle plate 12. The highly accurate nozzle plate can be formed accordingly.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003236735-A (JP)
Title: Wafer grinding method
Inventor: GOTO NOBORU
IPC: B24B1/00
Filed: 2002-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To remove warping of a wafer in a wafer grinding process because there is warping in an as-cut wafer formed into a thin piece by cutting single crystal ingot in parallel and warping of the wafer causes error when forming a pattern by photolithography.  <P>SOLUTION: When a diameter of the wafer is D, warping defined by rising from a flat face at the center when the wafer is put on the flat face is Δ, the wafer is fixed to a plate by bringing a projecting face or a recessed face to the front, and a radius is R, a rotary grinding wheel in which radius of curvature satisfies 2α>max (8Δ/D<SP>2</SP>) is brought into contact so that a peripheral face of the grinding wheel comes to the vicinity of the center of the wafer and is inclined at a fixed inclination angle Θ=4ΔR/D<SP>2</SP>to 12ΔR/D<SP>2</SP>in the opposite direction to warping of the wafer to rotate the rotary grinding wheel and the plate in order to grind one face of the wafer, and it is turned over to bring the grinding wheel having a parallel face into contact with a wafer face in order to grind a face on the other side of the wafer.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003245562-A (JP)
Title: Method for manufacturing micro-catalyst reactor
Inventor: NOTAKI TOMOHIRO
IPC: B01J37/02
Filed: 2002-02-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a micro-catalyst reactor capable of forming a catalyst layer at normal temperature, simply controlling the thickness of the catalyst layer, forming the catalyst layer at a desired place of a small space at a low cost and providing a good adhesiveness of a base plate and the catalyst layer.  <P>SOLUTION: In the method for manufacturing the micro-catalyst reactor having a flat plate-like base plate 11 provided with a plurality of groove parts 12 on the surface and the catalyst layers 13 formed at the inner side of the groove parts 12, a gas to be treated is contacted with the catalyst layers. The catalyst layers 13 are formed by spraying the fine powder of the catalyst onto the inner sides of, the groove parts from a tip end of a small hole nozzle with a carrier gas.  <P>COPYRIGHT: (C)2003,JPO