baber/WOPTO huggingface dataset:
Patent JP-2009243281-A (JP)
Title: Surface treatment method of screw rotor for screw fluid machine and screw rotor for screw fluid machine
Inventor: KOJIMA YUKIHIRO
IPC: F04C29/00
Filed: 2008-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To form a highly rigid coating useful in corrosion prevention, abrasion resistance, lubricity improvement or the like on a surface of a rotor part in a screw rotor for a screw fluid machine.  <P>SOLUTION: The screw rotors 3, 4 having structures keeping rotor parts 31, 41 formed of aluminum alloys containing Si of 1 wt.% or lower on outer peripheries of rotor shafts 32, 42 are prepared. The rotor parts 31, 41 of the screw rotors 3, 4 are dipped into an electrolytic solution containing a zirconium salt and spark discharge is executed by energization by taking the rotor parts 31, 41 as anodes. The spark discharge forms a ceramic coating capable of providing high rigidity and excellent abrasion resistance and mainly having a composition of ZrO<SB>2</SB>-Al<SB>2</SB>O<SB>3</SB>-MgO having lubricity on surfaces of the rotor parts 31, 41.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009244345-A (JP)
Title: Electronic paper
Inventor: WATANUKI TSUNEO
IPC: G02F1/1347
Filed: 2008-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To achieve inexpensive electronic paper which has an illegal duplication preventing function, and reduces risk of information leakage by a low power consumption and a simple configuration, and prevents occurrence of malfunction.  <P>SOLUTION: The electronic paper includes: a display screen 10: display driving parts 28, 29, 30 for displaying and/or erasing images; fraud prevention parts 32, 33 for detecting first operation and controlling the display driving parts so as to erase a displayed image when the first operation is detected; and a control part 32 for bringing the fraud prevention parts to an operation state when an image to be display part is an image disabled from being disclosed, and bringing the fraud prevention parts to an operation stop state when the image to be displayed is an disclosable image.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009207345-A (JP)
Title: Circular contact plate for pantograph
Inventor: MAEDA MAKOTO
IPC: B60L5/24
Filed: 2008-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To ensure that a contact plate for a pantograph can be employed on all of its surface area and can be utilized until the contact plate is worn out to some extent, because the center of the conventional contact plate is remarkably worn out and its improvement on the use of unused portions on both ends thereof is required as soon as possible for a viewpoint of utilization.  <P>SOLUTION: The circular contact plate 1 for the pantograph is fixedly mounted to a collector frame 5 by fixtures 3 and bolts 4. As a newly designed contact plate 1 for the pantograph is formed in a circular shape for the purpose of positional rotation at full angle, the utilization of unused portions can be expected on all surface until it is fully consumed, thereby solving the subject matter.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008287229-A (JP)
Title: Toner binder and toner
Inventor: BANDO TAKAAKI
IPC: G03G9/097
Filed: 2008-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a toner excellent in low-temperature fixability and hot offset resistance and excellent also in productivity, with respect to an electrostatic charge image developing toner for a heat fixing system, and to provide a toner binder.  <P>SOLUTION: The toner uses a toner binder (I) comprising a hybrid resin (A) of a polyester resin and a vinyl based resin and a resin (B) having a structure in which a vinyl resin (b) having an SP value of 10.0-12.6 (cal/cm<SP>3</SP>)<SP>1/2</SP>is grafted on a polyolefin resin (a), wherein the weight ratio of pulverized resin being ≥60%.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009244570-A (JP)
Title: Carrier core material for electrophotographic developer, carrier, and electrophotographic developer using carrier
Inventor: TAHIRA YASUKI
IPC: G03G9/107
Filed: 2008-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a carrier core material for an electrophotographic developer with resistance not varied greatly in a range from a low bias to a high bias, capable of controlling magnetization, capable of preventing a carrier from being deposited, and capable of obtaining a stable image density; the carrier; and the electrophotographic developer using the carrier.  <P>SOLUTION: This carrier core material for the electrophotographic developer comprises Li ferrite, maghemite, and Fe<SB>3</SB>O<SB>4</SB>, wherein a part thereof is substituted with Mn, Li content is 1 to 2.5 wt.% , Mn content is 2 to 7.5 wt.% , and wherein silicon is further contained by 25 to 10,000 ppm, satisfies Expression (1) where I<SB>110</SB>, I<SB>210</SB>, I<SB>211</SB>, and I<SB>311</SB>represent respectively integrated strengths of (110), (210), (211), and (311) faces of spinel crystalline structure in X-ray diffraction, and has 5×10<SP>7</SP>to 7×10<SP>8</SP>Ω resistance R<SB>50</SB>at 50 V in 6.5 mGap, and 1×10<SP>7</SP>to 8×10<SP>8</SP>Ω resistance R<SB>1000</SB>at 1000 V.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009245265-A (JP)
Title: Map display device, map display program, and navigation device using the same
Inventor: OGAWA TAKASHI
IPC: G06F9/50
Filed: 2008-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a map display device and a navigation device excellent in responsiveness by shortening processing time until image display is completed by efficiently using a plurality of processor cores.  <P>SOLUTION: The map display device has the plurality of processor cores 3 which perform arithmetic processing of information, and includes: a drawing object information acquisition means for acquiring a plurality of pieces of drawing object information divided by every drawing object in map display; a drawing image generation means for processing the drawing object information using the plurality of processor cores 3 to generate drawing images by every drawing object; a display image generation means for synthesizing the drawing images by every drawing object to generate one display image; a display means for displaying the display image; and a data amount adjustment means for allocating the plurality of pieces of drawing object information to each processor core 3 so that data amounts for each processor core 3 to perform the arithmetic processing are equalized in generating the drawing images by the drawing image generation means.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009244736-A (JP)
Title: Photosensitive resin composition, light-shielding color filter and method of producing the same, and solid-state imaging device
Inventor: MARUYAMA YOICHI
IPC: G03F7/004
Filed: 2008-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a photosensitive resin composition that provides a light-shielding color filter having excellent uniformity of the coating film thickness on a wafer, to provide a light-shielding color filter formed from the above photosensitive resin composition and a method of producing the same, and to provide a solid-state imaging device.  <P>SOLUTION: The resin composition contains at least (A) titanium black, (B) a polymerizable compound, (C) a resin, (D) a photopolymerization initiator, (E) a silicone-based surfactant and/or a fluorine-based surfactant and (F) an organic solvent. The light-shielding color filter has a pattern formed by using the above photosensitive resin composition. The solid-state imaging device includes the above light-shielding color filter.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009242203-A (JP)
Title: Alkali-silica reaction-detoxication method of regenerated aggregate for concrete material
Inventor: KOTABE YUICHI
IPC: C04B18/16
Filed: 2008-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a simple and inexpensive detoxication method by which regenerated aggregate or waste concrete exhibiting alkali-silica reactivity can be detoxified against alkali-aggregate reaction in a short time so that the regenerated aggregate can be used as the aggregate for a concrete material.  <P>SOLUTION: The alkali-silica reaction-detoxication method of the regenerated aggregate for the concrete material comprises the steps of: immersing the regenerated aggregate having the alkali-silica reactivity in an alkaline solution to infiltrate the alkaline solution into the regenerated aggregate; and steam-aging the alkaline solution-infiltrated regenerated aggregate at high temperature of 100-130°C under high pressure. It is further suitable that the high-temperature high-pressure steam-aged regenerated aggregate is washed.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009253997-A (JP)
Title: Charging system, power transmission apparatus and charging method
Inventor: SHIOMI MASAHIRO
IPC: H02J7/00
Filed: 2008-04-01
Abstract: <P>PROBLEM TO BE SOLVED: To easily provide a low-cost charging system for simultaneously and evenly charging a plurality of sensing devices.  <P>SOLUTION: The charging system 10 is provided with: a plurality of sensing devices 80 for receiving electromagnetic waves to be charged with power obtained from the energy of the electromagnetic wave; a casing 20 for reserving a liquid 70 in a concave portion 25; a radio wave radiating section 30 for radiating the electromagnetic wave to the inside of the concave portion 25; and a stirring section 40 for stirring the liquid 70 reserved in the concave portion 25 in the inside the concave portion 25. The sensing devices 80 are each mixed in the liquid 70 reserved in the concave portion 25 and charged with the power obtained by receiving the electromagnetic waves radiated from the radio wave radiating section 30 while circulating in the inside of the concave portion 25 in response to the stir of the stirring section 40.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009250649-A (JP)
Title: Model experiment device for railway vehicle
Inventor: MORIMURA TSUTOMU
IPC: G01M17/08
Filed: 2008-04-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a model experiment device for a railway vehicle usable for analysis for earthquake countermeasure by modeling the railway vehicle with a prescribed scale, and by simulating vibration or displacement applied to an actual vehicle via a track during an earthquake.  <P>SOLUTION: When a vehicle model is to be manufactured, the model is formed, based on numerical values determined by scaling down based on a physical similarity rule, each numerical value, such as the length, spring constant, an attenuation coefficient, mass, force, moment of inertia, acceleration, speed, time or frequency. This model experiment device is equipped with a vehicle body equivalent load frame 10, which is a vehicle body equivalent load member equivalent to a vehicle body of a railway vehicle which is an experiment object; a truck model 20 equivalent to a truck of the railway vehicle; a track model 30 equivalent to a track along which the railway vehicle travels, and an excitation device 40 for applying displacement equivalent to earthquake motion to the track model 30.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009249872-A (JP)
Title: Electric lock
Inventor: ASAI YASUO
IPC: E05B47/00
Filed: 2008-04-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide an excellent electric lock increased in internal pressure resistance, lockable and unlockable stably, and surely unlockable in an emergency as necessary.  <P>SOLUTION: Disposed in a resin case 1A are: hook plate 3 so rotated as to be engaged with the hook 12 of the door of a storage device for locking the hook and to be released from the locking for unlocking the hook 12; a stop plate 4 rotated when the hook plate is rotated; a lever plate 5 rotated when the stop plate is rotated; and a solenoid 6 for generating a drive force for unlocking the hook plate 3 through the lever plate 5 and the stop plate 4. The lever ratio (a:b, c:d, e:f) of each plate are so set that a force acting from the hook 12 on the hook plate 3 is weakened stepwise when the force is transmitted from the stop plate 4, lever plate 5, and solenoid 6 in this order. The lever plate 5 enables an emergency unlocking operation by a round key 15 and a round key cylinder 14.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009252472-A (JP)
Title: Plasma display
Inventor: OAKU HITOTSUGU
IPC: H01J11/42
Filed: 2008-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To improve color characteristics and efficiency in a plasma display configured by using a phosphor.  <P>SOLUTION: A plasma display panel 100 constituting a plasma display has a discharge gas generating ultraviolet rays by discharging and a phosphor layer 10 including a phosphor emitting light through excitation by the ultraviolet rays. The plasma display panel includes a new Eu activation silicate phosphor expressed by general formula of (M1)<SB>3-a</SB>*(M2)<SB>b</SB>*Si<SB>2c</SB>O<SB>3+b+4c</SB>:Eu<SB>a</SB>(in the formula, M1 is one or more elements selected from a group consisting of Ba, Sr, and Ca, M2 is one or more elements selected from a group consisting of Mg and Zn, and a is a number in the range of 0.001≤a≤0.6, b is a number in the range of 0.9≤b≤1.1, and c is a number in the range of 1<c≤1.15).  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009117334-A (JP)
Title: Carbon-covered graphite anode material for lithium-ion secondary battery, its manufacturing method, and anode for lithium-ion secondary battery and lithium-ion secondary battery using the anode
Inventor: KATAYAMA KOICHI
IPC: H01M4/36
Filed: 2008-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a carbon-covered graphite anode material for a lithium-ion secondary battery in which feature of non-orientation graphite particles is maintained and of which charging load characteristics and low temperature charging performance are improved and its manufacturing method, and provide an anode for the lithium-ion secondary battery and the lithium-ion secondary battery using the anode material.  <P>SOLUTION: The carbon-covered graphite anode material for the lithium-ion secondary battery includes the graphite particles to become a core, and a carbon layer covering the graphite particles. The graphite particles to become the core have structures that a plurality of flat-shaped graphite particles are mutually aggregated or coupled in non-parallel, an R value (ID/IG) as an intensity ratio of a peak intensity (ID) in the range of 1,300 to 1,400 cm<SP>-1</SP>measured by Raman spectroscopy to a peak intensity (IG) in the range of 1,560 to 1,650 cm<SP>-1</SP>of 0.3 or less, and a concentration of a nitrogen element on the surface of the carbon-covered graphite anode material measured by X-ray photoelectron spectroscopy (XPS) of 1.5 to 10 at%.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009247650-A (JP)
Title: Vehicle diet device
Inventor: OYA NAOJI
IPC: B60N2/90
Filed: 2008-04-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vehicle diet device for allowing a person who uses a car daily to take a diet easily and continuously.  <P>SOLUTION: In the vehicle diet device 100, in either a sheet 1 having a body contact part in contact with the body of the occupant seated in a seat 1 of the vehicle or a webbing 6 of the sheet 1 or both of them, a predetermined body contact part out of body contact parts is a load transmission part, and load drive parts 2 and 3 which drive the load transmission part so that the load transmission part vibrates or pressurizes the body of the occupant are provided.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009249126-A (JP)
Title: Paper feeding device and document reading device
Inventor: AOKI MASA
IPC: B65H5/06
Filed: 2008-04-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a paper feeding device capable of keeping an interval between papers constant even when variation occurs in the starting positions of the papers in feeding the papers, and to provide a document reading device with the paper feeding device.  <P>SOLUTION: This paper feeding device comprises paper housing means for loading papers, paper feeding means for feeding the papers, separating and conveying means for separating the fed papers one by one and conveying it, detection means for detecting a leading position of the paper separated and conveyed by the separating and conveying means, and control means for controlling a conveying speed for conveying the papers. The control means decides a timing for changing the conveying speed for conveying the papers from a first conveying speed to a second conveying speed, and changes the conveying speed at the timing.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009252727-A (JP)
Title: Manufacturing method of dye-sensitized solar cell, and dye-sensitized solar cell
Inventor: KAWAHARA YUSUKE
IPC: H01L31/04
Filed: 2008-04-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a dye-sensitized solar cell in which film formation is possible at low temperatures, and which enables continuous production at a low cost, and particularly, provide the manufacturing method of manufacturing the dye-sensitized solar cell which is sufficiently superior in photoelectric conversion efficiency and improved in durability by low- cost continuous production.  <P>SOLUTION: The manufacturing method of the dye-sensitized solar cell has, on a conductive base material, a metal oxide semiconductor layer made of metal oxide having a surface to which dye is adsorbed, a charge transport layer, and the counter electrode. In this method, as a forming process of the metal oxide semiconductor layer, (1) a process of preparing coating liquid for forming a semiconductor layer containing metal oxide particulates, a metal containing a coupling agent, and the dye, (2) a process of coating the coating liquid for forming the semiconductor layer on the conductive base material, and (3) a process of applying press treatment onto a semiconductor layer are included in that order.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009257658-A (JP)
Title: Heat exchanger and its manufacturing method
Inventor: HAKAMATA OSAMU
IPC: F28F9/02
Filed: 2008-04-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat exchanger and a manufacturing method of the heat exchanger capable of achieving superior sealing performance by surely elastically deforming a seal member for sealing between a tank and a core plate.  <P>SOLUTION: A radiator 1 comprises a packing 10 for sealing a joint section of an upper tank 2 and an upper core plate 4 by elastically deformed by receiving pressing force from the upper tank 2. The packing 10 has the annular shape in which strip sections having a width dimension smaller than a groove width dimension of a groove section 4a of the upper core plate 4 are continuously disposed, and is disposed on the upper core plate 4 while positioned in a state of being kept into contact with an inner wall 4d of the groove section 4a by elasticity. Projecting sections 2b of the upper tank 2 press roughly the center in the width direction of the strip sections of the packing 10 at the inner wall 4d side.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009260156-A (JP)
Title: Ring-shaped magnet member, and its manufacturing method
Inventor: TAKEBE KOTARO
IPC: H02K15/03
Filed: 2008-04-21
Abstract: <P>PROBLEM TO BE SOLVED: To prevent magnetic force from being disturbed in N-poles, S-poles, and a boundary part between them, in a ring-shaped magnet member formed with a magnetized surface where N-poles and S-poles are alternately magnetized in the circumferential direction of a magnet base material formed into a ring-like shape.  <P>SOLUTION: In this ring-shaped magnet member, the magnet base material 20 molded into a ring-like shape by injecting a magnet material into dies 11 and 12 from a pin gate 12a are planarly magnetized, and the magnetized surface 23 is formed by alternately magnetizing the N-poles and the S-poles in the circumferential direction of the magnet base material. In the ring-shaped magnet member, the magnetized surface is formed on the opposite surface side of pin gate parts 21 corresponding to the pin gate, and the pin gate parts and weld parts 22 of boundaries where magnet materials contact each other in molding are made absent at boundary positions between the N-poles and the S-poles.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009263488-A (JP)
Title: Method for preparing fatty acid alkyl ester
Inventor: NISHIMURA YOSHIAKI
IPC: C10L1/02
Filed: 2008-04-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method which can efficiently remove a calcium compound mixed into a fatty acid alkyl ester obtained by subjecting oil-and-fat and an aliphatic alcohol to transesterification in the presence of a calcium-containing solid catalyst.  <P>SOLUTION: The fatty acid alkyl ester is brought into contact with a water-containing acidic activated carbon having a water content of 20-60 mass% and a pH in a range of ≥3.0 and <7.0, thereby the calcium compound mixed into the fatty acid alkyl ester is adsorbed on the water-containing acidic activated carbon to be removed.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009262406-A (JP)
Title: Injection molding system and injection molding method
Inventor: RYU IKUKYO
IPC: B29C33/12
Filed: 2008-04-24
Abstract: <P>PROBLEM TO BE SOLVED: To shorten a molding cycle, improve productivity, and miniaturize an injection molding system.  <P>SOLUTION: An injection molding system includes a first mold mounted to a first support member, a second mold mounted to a second support member opposing to the first mold, a drive part for clamping mold which advances and retreats the second mold, closes the mold of a mold device, and performs a mold closing and a mold opening, an operating portion having an insert holding part for holding an insert, and an operating portion actuation processing means which advances the operating portion toward the first mold from the start of the mold opening to the end and sets the insert to the first mold. The operating portion is advance toward the first mold to get the insert set to the first mold during the period from the start of the mold opening to the completion, and therefore the molding cycle can be shortened.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009269247-A (JP)
Title: Coating implement
Inventor: UEHARA JUNYA
IPC: B43K8/02
Filed: 2008-05-02
Abstract: <P>PROBLEM TO BE SOLVED: To prevent liquid leakage on the occasion of dropping or shaking, in regard to a coating implement having a cotton core type brush-like coating body.  <P>SOLUTION: The coating implement 10 has a shaft tube 20 which contains a cotton core 40 impregnated with fluid, a partition 21 which partitions a space containing the cotton core 40, on the tip side in the shaft tube 20, the brush-like coating body 50 which is provided at the tip of the shaft tube 20 for coating with the fluid, a guiding body 60 which connects the cotton core 40 and the coating body 50 through the partition 21 and guides the fluid to the coating body 50 by a capillary force, a communicating hole 22 formed by notching a part of the partition 21, and an air replacing hole 25 which opens between the tip of the cotton core 40 and the coating body 50. The space containing the cotton core 40 communicates with the outside through the communicating hole 22 and the air replacing hole 25, while the communicating hole 22 and the air replacing hole 25 are at different positions in a plane view.  <P>COPYRIGHT: (C)2010,JPO&INPIT