baber/WOPTO huggingface dataset:
Patent JP-2008275124-A (JP)
Title: Creep prevention mechanism for bearing
Inventor: SATO MASANAO
IPC: F16C33/58
Filed: 2007-05-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a low-cost creep prevention mechanism for a bearing capable of being assembled in a short period of time and surely preventing creeping.  <P>SOLUTION: The creep prevention mechanism for the bearing prevents relative slide of bearing rings (inner and outer rings 2, 4) arranged to confront with each other in a relatively rotatable manner and an attachment section (for example, a housing 8) to which the race rings are attached. The creep prevention mechanism is provided with a recessed part G formed by partially recessing a circumferential surface 4s of at least one of the bearing rings (the outer ring) at a side for attaching to the attachment section and a wedge mechanism provided between the recessed part and the attachment section. The wedge mechanism is provided with an elastically deformable elastic part (a spring member 10) and a wedge part (a rolling member 12) kept in a state pressed to the attachment section by the elastic part.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008282969-A (JP)
Title: Cooler and electronic instrument
Inventor: TANAKA KATSUAKI
IPC: F28F3/00
Filed: 2007-05-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cooler and an electronic instrument which can efficiently cool the electronic components and can reduce the number of man-hours required for the action for preventing the leakage of a coolant upon the manufacture.  <P>SOLUTION: In this cooler 10, a metal plate junction body 12 is housed in a container 11 formed of a bottom-equipped box shaped main body 11a and a lid 11b for covering the opening of the main body 11a. In the metal plate junction body 12, a plurality of metal plates 15 having many holes 15a formed therein at predetermined intervals are laminated in the state wherein the centers of the holes 15a formed in the adjacent metal plates 15 are displaced by 1/2 pitch from each other, and the overlapping portions of the adjacent metal plates 15 are joined together. The metal plate junction body 12 is housed between the inlet 13 and the outlet 14 in the state wherein one surface thereof is joined to the container 11 and so that the holes 15a become a coolant passage, and the cooled object can be mounted on the external surface opposite to the surface of the container 11 to which the metal plate junction body 12 is joined.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008283797-A (JP)
Title: Distribution board
Inventor: TOGAWA NAGAHIKO
IPC: H02B1/04
Filed: 2007-05-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a distribution board which can largely be improved in work efficiency at a construction site.  <P>SOLUTION: This distribution board 8 is characterized in that: a rail 1 is supported by fixing metal fittings 6 arranged on the back of a cabinet 5; a long hole 6c is formed at the metal fittings 6; a penetration hole 1a is formed at the rail 1; fixing screws 7 are made to penetrate the long hole 6c and the penetration hole 1a; and the rail 1 is fixed to the cabinet 5 in an arbitrary position in the range of the long hole 6c.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2007318990-A (JP)
Title: Spindle motor
Inventor: KIM PYO
IPC: H02K5/167
Filed: 2007-05-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a spindle motor which secures the contact section between a rotary shaft and a bearing to maximum and is thinned by shortening the length of the rotary shaft.  <P>SOLUTION: The spindle motor includes a rotor case 142 for rotating a recording medium, a rotary shaft 141 fixedly arranged to the rotor case 142, a bearing 115 for rotatably supporting the rotary shaft 141, a bearing holder 113 with a projection 114 formed along an upper outer circumferential edge for fixedly supporting the bearing 115, and an engaging part 150 attached to the rotor case 142 so as to be engaged with the projection 114 for preventing the disengagement of the rotor case 142. The engagement part 150 has an inward rib part 153 shaped like a bent in cross section, the inward rib part 153 having a tilt angle of 10° to the horizontal plane.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008294199-A (JP)
Title: Electronic component and drive circuit
Inventor: ASAKURA KAZUYOSHI
IPC: H01F38/08
Filed: 2007-05-24
Abstract: <P>PROBLEM TO BE SOLVED: To apply the invention to a drive circuit for driving the light source of a projection television, for instance, to secure a sufficient breakdown voltage compared to a conventional case and to reduce DC resistance further.  <P>SOLUTION: A plurality of coil parts are successively formed of aligned winding wires and reciprocating winding wires for which the number of layers is 2 or larger, the coil parts are connected in parallel, and a winding wire start position and a winding wire end position are replaced in the adjacent coil parts.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008292742-A (JP)
Title: Non-linear data converter, encoder and decoder
Inventor: KOMANO YUICHI
IPC: G09C1/00
Filed: 2007-05-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a non-linear data converter, an encoder, and a decoder that can ensure security not only to a DPA but also to a high-order DPA.  <P>SOLUTION: The encoder generating a ciphertext block from a plaintext block includes: a storage element holding a group (ai, ai<SP>-</SP>) of one or more mask values and values obtained by inverting the bit pattern of the mask value; a plurality of modified S box operation circuits performing a modified S box operation wherein an initial S box operation is transformed by mask processing the input with ai or ai<SP>-</SP>and mask processing the output with ai or ai<SP>-</SP>; a random number generating circuit randomly generating random numbers for a mask pattern to be used in each stage; a mask selecting circuit selecting a mask value in accordance with a mask pattern value; and a modified S box operation value selecting circuit selecting one output out of the outputs of the plurality of modified S box operation circuits in accordance with the plurality of mask pattern values.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008291396-A (JP)
Title: Anti-counterfeit paper
Inventor: KAWAMURA EIJI
IPC: D21H27/30
Filed: 2007-05-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide anti-counterfeit paper by which a color pattern or symbol is not recognized by eyesight with reflected light, but is recognized with a transmitted light.  <P>SOLUTION: In multiple-layered paper 1 constituted by an upper part paper layer 2, a lower part paper layer and an intermediate layer of at least one layer, the intermediate layer 4 constituted of at least one layer 5 formed with a symbol in ink having a pearl pigment 7 and a colored pigment 6 which are complementary to each other or have an approximately complementary relationship, and the upper part paper layer 2 and lower part paper layer 3 have an opacity of 40 to 90%.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008117506-A (JP)
Title: Perpendicular magnetic recording medium
Inventor: TAKENOIRI SHUNJI
IPC: G11B5/738
Filed: 2007-05-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a perpendicular magnetic recording medium in which the orientation dispersion and crystal particle size can be reduced in a magnetic recording layer and, at the same time, the film thickness of nonmagnetic intermediate layers can be reduced so that performance improvements such as reduced noise, increased S/N ratio, and improved write-ability are achieved.  <P>SOLUTION: The perpendicular magnetic recording medium comprises a soft magnetic backing layer, a first underlayer, a first nonmagnetic intermediate layer, a second underlayer, a second nonmagnetic intermediate layer, a magnetic recording layer, a protective film and a liquid lubricant layer, layered in this order on a nonmagnetic substrate, wherein the first underlayer is composed of a soft magnetic material having an fcc structure and including at least Ni and Fe, and the second underlayer is composed of a soft magnetic material having an fcc structure and including at least Co.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008300546-A (JP)
Title: Organic thin-film transistor
Inventor: ENDO HIROYUKI
IPC: H01L29/80
Filed: 2007-05-30
Abstract: <P>PROBLEM TO BE SOLVED: To manufacture a vertical organic thin-film transistor capable of high-speed operation and having a large current on/off-ratio in a favorable manufacturing yield without using a complicated process.  <P>SOLUTION: In this organic thin-film transistor 10A, a first insulating layer 15, a third electrode 14 and a second insulating layer 16 are formed before forming an organic semiconductor layer, and patterned simultaneously. The organic semiconductor layer is formed so as to cover the first insulating layer, the third electrode and the second insulating layer which have been patterned. Accordingly, the organic thin-film transistor can be manufactured in a favorable manufacturing yield and has a large current on/off-ratio.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008300208-A (JP)
Title: Luminaire
Inventor: OTAKE HIROKAZU
IPC: H05B44/00
Filed: 2007-05-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a LED lighting device capable of controlling a drive corresponding to the state of a light-emitting module to be connected.  <P>SOLUTION: Light-emitting modules 13 can be connected in parallel to a constant-current power supply 12 capable of setting by varying an output current. A control section 16 recognizes connection information outputted from an information output section 26 provided in each of the light-emitting modules 13, and varies output current of the constant-current power supply 12. The drive can be controlled corresponding to a state of the light-emitting modules 13 to be connected such as the number of connection of the light-emitting modules 13.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008301692-A (JP)
Title: Power supply unit and image forming apparatus
Inventor: TANAKA SHUNSUKE
IPC: G03G21/00
Filed: 2007-06-04
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that it is difficult to stably control a power supply circuit having a piezoelectric transformer at a low voltage because it is easily influenced by a spurious frequency when a wide voltage range is required.  <P>SOLUTION: The power supply unit is provided with a piezoelectric transformer 501, a drive circuit for driving the piezoelectric transformer 501, a control circuit 510 for controlling a drive frequency by the drive circuit, and a rectifying circuit for rectifying an output voltage of the piezoelectric transformer 501 and supplying the rectified voltage to a load. The reference voltage of the rectifying circuit is determined by a constant voltage element 521 connected in series to the ground level of the load.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008307933-A (JP)
Title: Pneumatic tire for motorcycle
Inventor: KAKUMARU KAZUO
IPC: B60C15/04
Filed: 2007-06-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pneumatic tire for a motorcycle having superior driveability.  <P>SOLUTION: This tire 2 comprises a tread 4, beads 8, a carcass 10, and a belt 12. The carcass 10 comprises a first carcass play 24 and a second carcass ply 26. The first carcass ply 24 is installed between both beads. The first carcass ply 24 has a folded part 27. The first carcass ply 24 has a first cord 34. The absolute value of the angle θ1 of the first cord 34 to the equatorial plane is 85 to 90°. The second carcass ply 26 has a second cord 38. The angle formed by the first cord 34 and the second cord 38 is 30 to less than 45°. The belt 12 comprises a first belt ply 42 and a spirally wound second belt ply 44. The first belt ply 42 has a third cord 48. The angle formed by the first cord 34 and the third cord 48 is 25 to 65°.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008309028-A (JP)
Title: Device for forming negative pressure and method for forming negative pressure by jet flow
Inventor: MOCHIZUKI TAKUO
IPC: F04F5/04
Filed: 2007-06-13
Abstract: <P>PROBLEM TO BE SOLVED: To automatically change over formation of a great quantity of negative pressure and formation of high negative pressure by one negative pressure forming device and reduce a load acting on a high pressure fluid supply source during formation of high negative pressure as compared to formation of a great quantity of negative pressure.  <P>SOLUTION: In this negative pressure forming method, a great quantity of negative pressure is formed by injecting water pressurized by a pressurizing pump 4 to a straight pipe 18 for forming a great quantity negative pressure from a small diameter injection nozzle 10, high negative pressure is formed by injecting the same to a straight pipe for forming high negative pressure. The high negative pressure is applied on the injection nozzle 10 to give the injection nozzle a suction effect. Consequently, load of the pressurizing pump 4 is reduced as compared with load in formation of a great quantity of negative pressure.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008306969-A (JP)
Title: Method and device for washing vegetable
Inventor: HAYASHI FUMIO
IPC: A23N12/02
Filed: 2007-06-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for washing vegetable safe in food sanitation, enabling effective and efficient wash of various kinds of vegetables, in particular leaf vegetables, fruit vegetables, cut vegetables or the like without causing damage to them, and to provide a device for washing vegetables.  <P>SOLUTION: The device for washing vegetables is provided with: a washing tank 50 for housing vegetables; a washing-water supply/discharge system 30 where a bottom part discharge port 34 through which washing water is jetted in a vertical direction from the bottom surface 41 of the washing tank, and side part discharge ports 32L, 32U, 33L, 33U through which the washing water is jetted in a horizontal direction from the facing inner surfaces 42, 43 of the washing tank are formed, and where the inside of the washing tank is filled with the washing water to make the water overflow during washing operation; a vegetable press-down mechanism 20 which has a press-down net 21 pressing down the vegetable in the washing tank and in which the up-and-down motion of the press-down net is repeated; and a control means 11 for performing a prescribed vegetable-washing sequence 13a where at least the jetting motion of the washing water from the bottom discharge port and the side part discharge ports in the washing-water supply/discharge system, and the up-and-down motion of the press-down net in the vegetable press-down mechanism are specified.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008019435-A (JP)
Title: Pigment for anisotropic pigment film
Inventor: SHIMIZU WATARU
IPC: G02F1/1335
Filed: 2007-06-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide an azo pigment useful for an anisotropic pigment film used in display elements such as a light control element, a liquid crystal element, an organic electroluminescent element, etc.  <P>SOLUTION: The invention relates to the pigment for anisotropic pigment film wherein the free acid is represented in formula (1). In the formula A<SP>1</SP>and B<SP>1</SP>are each a (substituted) aromatic hydrocarbon group. n is an integer of 0-2. R<SP>1</SP>is a halogen atom, a hydroxyl group, a cyano group, a carboamide group, an alkyl group, alkenyl group, alkoxyl group, (substituted) amino group, (substituted) alkylcarbamoyl group, (substituted) alkylsulfamoyl group, (substituted) arylcarbamoyl group, (substituted) arylsulfamoyl group or an anion-dissociable group. m is an integer of 0-7.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008312367-A (JP)
Title: Switching control configuration of three-phase current electric power converter
Inventor: MOGI SHINICHI
IPC: H02M7/48
Filed: 2007-06-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a switching control structure of a three-phase current power converter capable of having a desired waveform as a current waveform after AC-side filtering in the same number of switchings equal to or less than that in switching control only by one-phase arm pairs in a three-phase voltage power converter.  <P>SOLUTION: A comparison is performed between the absolute maximum and minimum of an AC-side current command value. When the absolute maximum is greater, the upper arm in the maximum phase is turned on, the lower arm of smaller phase voltage out of the remaining two phases is turned on, and the lower arm in the remaining one phase is switched. When the absolute maximum is equal to the absolute minimum, the upper arm in the maximum phase is turned on and the lower arm in the minimum phase is turned on. When the absolute maximum is smaller, the lower arm in the minimum phase is turned on, the upper arm of greater phase voltage out of the remaining two phases is turned on, and the upper arm in the remaining one phase is switched. Therefore, the DC-side current is set equal to the absolute maximum of the AC-side current command value.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008311548-A (JP)
Title: Manufacturing method of semiconductor device, and insulating film for semiconductor device and manufacturing apparatus thereof
Inventor: FUJIWARA TOSHITO
IPC: H01L21/768
Filed: 2007-06-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a water-resistant insulating film for a semiconductor device with the characteristics of a low dielectric constant, a low leakage current and high mechanical strength, in which change with time of the characteristics is little, to provide a manufacturing apparatus of the insulating film, and to provide a manufacturing method of the semiconductor device using the insulating film for the semiconductor device.  <P>SOLUTION: The manufacturing method of the semiconductor device includes: a film deposition process of supplying a mixed raw material gas containing a carrier gas and a raw material gas consisting of a vaporized material having borazine skeleton-based molecules into a chamber, turning a gas mixture to a plasma state, applying bias to a substrate placed inside the chamber, executing vapor phase polymerization with the borazine skeleton based molecule as a base unit, and depositing the insulating film for the semiconductor device on the substrate mounted inside the chamber; and a reaction accelerating process of turning the bias to be applied to the substrate after the film deposition process to a magnitude different from the one of the bias in the film deposition process, supplying only the raw material gas obtained by evaporating a material having a borazine skeleton based molecule while gradually reducing it, and treating the film with plasma which is mainly the carrier gas.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008311195-A (JP)
Title: Fluorescent tube socket
Inventor: SUGIMORI KENJI
IPC: F21V19/00
Filed: 2007-06-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fluorescent tube socket which facilitates mounting of a fluorescent tube, does not put longitudinal load on the fluorescent tube, and does not apply a force for holding the fluorescent tube to terminals.  <P>SOLUTION: The fluorescent tube socket includes a housing 40 fitted on a chassis 32 of electronic equipment, and fluorescent tube holding units 42 which are formed on the housing 40 and in which mouthpieces 37 of the fluorescent tube 36 are fitted to be held. The fluorescent tube socket also includes terminal connections 44 formed integrally with the fluorescent tube holding units 42 on the housing 40. The fluorescent tube holding units 42 hold the fluorescent tube 36, and the terminal connections 44 bring terminals 38 of the fluorescent tube 36 in electrical contact with power supply clip terminals 46. The bottom of the housing 40 has elliptical portions 42b, which are approximately elliptical recessions in which approximately elliptical terminal projections 37a projecting from the terminals 38 of the fluorescent tube 36 are just fitted.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009004459-A (JP)
Title: Capacitor built-in wiring board
Inventor: SATO MOTOHIKO
IPC: H05K3/46
Filed: 2007-06-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a capacitor built-in wiring board that can prevent performance deterioration and can improve reliability by connecting a capacitor to a rear-surface-side interlayer insulation layer reliably.  <P>SOLUTION: The wiring board 10 has a core substrate 11, a capacitor 101, and a back-side via conductor 52. The capacitor 101 has main-surface-side surface layer electrodes 111, 112 and a rear-surface-side surface layer electrode 121, and is stored in the core substrate 11 while a capacitor main surface 102 faces the same side as a core main surface 12 and a capacitor rear surface 103 faces the same side as a core rear surface 13. The number of rear-surface-side surface layer electrodes 121 is smaller than that of main-surface-side surface layer electrodes 111, 112, and the minimum width of the rear-surface-side surface layer electrode 121 is larger than that of the main-surface-side surface layer electrodes 111, 112.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009002405-A (JP)
Title: Drive power transmission device
Inventor: KATO TADAHIKO
IPC: F16D25/0638
Filed: 2007-06-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a drive power transmission device capable of simplifying the structure, reducing the weight, and also lessening the amount of oil necessary for lubrication, relating to the drive force transmission device.  <P>SOLUTION: The first case 62a and the second case 63a are combined to form an oil storage chamber 61a1 inside. The oil fed into the piston chamber 154a is discharged from the piston chamber 154a, and the discharged oil is stored in the oil storage chamber 61a1. Since the liquid pressure connection mechanism 101a is disposed in the stored oil, the stored oil is stirred by the rotation of the clutch drum section 105a described below and splashed upward onto the oil storage chamber 61a1 so that the driven plate 106a and the driven plate 107a are lubricated by the splashed oil.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009002437-A (JP)
Title: Rolling bearing for dental hand piece
Inventor: YABE SHUNICHI
IPC: F16C19/06
Filed: 2007-06-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inexpensive rolling bearing for a dental hand piece capable of using at high speed.  <P>SOLUTION: The deep groove ball bearing 100 is a rolling bearing for a dental hand piece for rotatably supporting a rotary shaft mounting a tool on a housing, and has an inner ring 101, an outer ring 102, a plurality of rolling bodies 103 rotatably arranged between the inner ring 101 and outer ring 102, and a retainer 104 for retaining the rolling bodies 103 between the inner ring 101 and outer ring 102. The inner ring 101, outer ring 102, and rolling bodies 103 are made of stainless steel. The retainer 104 is formed of a polyphenylene sulfide resin compound including 10-45 wt.% of a potassium titanate whisker processed with a coupling agent.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009002288-A (JP)
Title: Sliding member of compressor
Inventor: HIRANO HIDEO
IPC: F04C29/00
Filed: 2007-06-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sliding member of a compressor which is provided with high reliability without any risk of seizing occurring even during excessive operation when the lubrication state becomes harsh while achieving high streamlining by reducing weight and high-speed rotation.  <P>SOLUTION: A surface modifying layer 23 is provided with an oxidized aluminum layer 24 on the front side with uneven and nonuniform tissue and an oxidized aluminum layer 25 on the substrate side with even and dense columnar tissue. Since the oxidized aluminum layer 24 on the front side is uneven and nonuniform it is rubbed between the mirror board 9a of a fixed scroll 9 or the end section of a blade 9b while steadily wearing away from fragile parts and the mirror board 10a of a spinning scroll 10 is appropriately adjusted. As the result, bumping against the mirror board 9a of the fixed scroll 9 or against the end section of the blade 9b is alleviated and anti-seizing property is improved.  <P>COPYRIGHT: (C)2009,JPO&INPIT