baber/WOPTO huggingface dataset:
Patent JP-2004132999-A (JP)
Title: Waveguide type optical attenuator
Inventor: SAIDA TAKASHI
IPC: G02B6/122
Filed: 2002-10-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a waveguide type optical attenuator having extremely low dependence on polarized waves.  <P>SOLUTION: The attenuator is equipped with input optical waveguides 11a, 11b, first optical coupler 12, first optical waveguide pair 13a, 13b, second optical coupler 14, second optical waveguide pair 15a, 15b, third optical coupler 16, third optical waveguide pair 17a, 17b, fourth optical coupler 18, and output optical waveguides 19a, 19b on a substrate 10. The first optical waveguide pair, second optical waveguide pair and third optical waveguide pair are provided with variable phase controlling means 20, 22, 23, respectively. The first optical waveguide pair and the third optical waveguide pair are provided with birefringent controlling means 21, 24, respectively.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004133057-A (JP)
Title: Photosensitive resin laminate
Inventor: MATSUDA MASAO
IPC: G03F7/00
Filed: 2002-10-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a photosensitive resin original which does not generate wrinkles influential to printing on an IR (Infrared Ray) abrasion layer.  <P>SOLUTION: (1) The photosensitive printing original has a support, a photosensitive resin layer, the IR abrasion layer and a cover film, in which the IR abrasion layer contains an IR absorptive metal and the indentation displacement of the photosensitive resin layer prior to exposure is ≤100 μm. (2) The photosensitive printing original, described in (1), in which the IR abrasion layer contains a metallic layer is included. (3) The photosensitive printing original, described in (1), in which the the content of a crosslinkable or non-crosslinkable liquid component in the photosensitive resin is ≤35 pts. wt. is included. (4) The photosensitive printing original, described in (1), in which a nylon resin crystallized at heat treatment for ≥2 minutes at ≥95°C is incorporated into the photosensitive resin is included.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003163372-A (JP)
Title: Method for manufacturing iii-v group compound semiconductor
Inventor: IECHIKA YASUSHI
IPC: H01L33/32
Filed: 2002-10-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a III-V group compound semiconductor of high quality.  <P>SOLUTION: The light emitting element comprises a light emitting layer made of a III-V group compound semiconductor represented by a formula of In<SB>x</SB>Ga<SB>y</SB>Al<SB>z</SB>N, wherein 0<x≤1, 0≤y<1, 0≤z<1, x+y+z=1, a substrate layer made of a III-V group compound semiconductor layer represented by a formula of In<SB>u</SB>Ga<SB>v</SB>Al<SB>w</SB>N, between the substrate and the light emitting layer, wherein 0≤u≤1, 0≤v≤1, 0≤w≤1, u+v+w=1, in such a manner that at least three layers having a layer including the small InN crystal mixing ratio, a layer having a larger InN crystal mixing ratio than that of the layer having the small InN crystal mixing ratio, and a layer having a smaller InN crystal mixing ratio than that of the layer having the larger InN crystal mixing ratio are sequentially grown in this order.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004132322-A (JP)
Title: Reciprocating engine
Inventor: BANDO SHIGERU
IPC: F02F3/00
Filed: 2002-10-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reciprocating engine which can reduce more effectively the sliding friction resistance between a piston and the inner surface of a cylinder.  <P>SOLUTION: The four-cycle reciprocating engine 1 includes the cylinder 2, the piston 3 which reciprocates within the cylinder 2, a connecting rod 5 which is rotatably connected to the piston 3 via a piston pin 4 at its small end portion, and a crankshaft 21 which is rotatably connected to a large end 20 of the connecting rod 5. Further, the engine 1 includes piston rings 9 and 10 which are arranged adjacently to each other in the reciprocating direction of the piston 3 and which are respectively fitted in a pair of ring grooves formed on the side peripheral surface 6 of the piston 3, a partition means 14 which divides an annular space between the piston rings 9 and 10 into a semi-annular space 12 on the thrust side and a semi-annular space 13 on the anti-thrust side, and a communication means 16 for communicating the space 12 with a combustion chamber 15 where gaseous mixture of fuel and air is burnt.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004138672-A (JP)
Title: Binder resin for toner and electrostatic charge image developing electrophotographic toner using the same
Inventor: MATSUOKA YOJI
IPC: G03G9/087
Filed: 2002-10-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a binder resin for a toner which, in a thermal roll fixing method, prevents offset without applying an offset preventing liquid, which has fixability at lower fixing temperatures, and which excels in blocking resistance (preservability), and also to provide an electrostatic charge image developing electrophotographic toner.  <P>SOLUTION: The binder resin for a toner contains a part (A) having a structure derived from polyester (A1) with a specific number average molecular weight and hydroxyl value, a part (B) having a structure derived from an epoxy radical-containing styrene based polymer (B1) with a specific number average molecular weight and epoxy equivalent, and a polyester resin (D) composed of a wax (C) showing a specific melting point and a structure unit (E) having urethane combination. The electrostatic charge image developing electrophotographic toner uses a resin as the binder resin for the toner. The invention includes the manufacturing method of the polyester resin (D).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004143968-A (JP)
Title: Exhaust system structure of engine
Inventor: NAKADE JUNICHI
IPC: F01N3/28
Filed: 2002-10-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide always superior exhaust emission control performance of a catalyst regardless of a degree of an engine speed of an engine while reducing a space of an exhaust system.  <P>SOLUTION: A gathering part B for gathering the mutual downstream sides of a plurality of manifolds A1 to A4 of an exhaust manifold M, has a gathering gas turning passage part Rs curving so as to turn around the axis L of a cylindrical casing 2 of a catalytic converter C on at least the downstream side of the final confluent position X of exhaust gas from the whole manifolds A1 to A4, and the downstream end of the gathering gas turning passage part Rs points to the axis L side, and is is connected to an opening part I arranged in a tip central part of an inlet cylinder part 2a of the casing 2.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004146121-A (JP)
Title: Organic electroluminescent element
Inventor: TADAMASA AKIHIKO
IPC: H05B33/14
Filed: 2002-10-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide an organic electroluminescent element with high light-take-out efficiency having a transparent base plate in which the light is prevented from extinction inside the element and travels without leaking from a side surface thereof.  <P>SOLUTION: In the organic electroluminescent element formed by interposing an organic light-emitting layer 3 between two electrodes 1, 2 having a light-emitting part 4 making the organic light-emitting layer 3 emit light by impressing of a voltage between the two electrodes, a transparent electrode 1 out of the two electrodes 1, 2 is formed on the transparent base plate 5, and a light reflection part 6 is arranged at an inside or an end part of the transparent base plate 5 at the position surrounding the light-emitting part 4. Even if the light emitted from the light-emitting part 4 is reflected in a manner of total reflection at an interface of the surface of the transparent base plate 5 and the air, the light can be taken out from the surface of the transparent base plate 5 by reflecting the light at the light reflection part 6.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004142692-A (JP)
Title: Anti-skid device for two-wheeled vehicle
Inventor: SUZUKI SHIGERU
IPC: B60C27/20
Filed: 2002-10-28
Abstract: <P>PROBLEM TO BE SOLVED: To solve problems of a conventional anti-skid device of metallic chain type for a two-wheeled vehicle wherein steering stability is bad, a sideslip is likely to occur when tilting for turn, thereby causing danger, it is difficult to let it agree with dimension of a thin tire of the two-wheeled vehicle, it interferes with a peripheral part, thereby causing damage of the vehicle, a work place and much time are required when mounting it, force is concentrated on an extremely small ground contact surface during running which is peculiar to the two-wheeled vehicle, thereby cutting a chain easily due to wear and metallic fatigue and causing danger, service life of a product is short, and it is uneconomical.  <P>SOLUTION: A spike pin is arranged in an anti-skid body formed by an elastic material having excellent resistance to wear and a reinforcing material having high tensile strength and small elongation rate and is fixed by a side bundle binding plate. Consequently, stable and satisfactory steering performance can be realized in running on a road surface in winter which changes in various manners by corresponding to behavior and stress peculiar to the two-wheeled vehicle. Anyone can perform mounting work simply in a short time. It is possible to provide the safe and economical anti-skid device for the two-wheeled vehicle.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004152498-A (JP)
Title: Fuel cell
Inventor: SUGIURA SEIJI
IPC: H01M8/10
Filed: 2002-10-28
Abstract: <P>PROBLEM TO BE SOLVED: To evenly flow a cooling medium in a separator surface, and to secure good power generation performance in a simple constitution.  <P>SOLUTION: A separator 13 is provided with a first and a second metal plates 14 and 16 layered with each other. A cooling medium flow passage 42 is integrally arranged between the first and the second metal plates 14 and 16. The passage 42 is provided with inlet buffers 44 and 46 communicated with a cooling medium inlet communicating hole 22a, outlet buffers 48 and 50 communicated with the cooling medium outlet communicating hole 22b, and linear flow passage grooves 60-90 linearly extending in an arrow B and arrow C directions.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004147798-A (JP)
Title: Shelf and shelf board attaching tool
Inventor: YOSHIDA YOICHI
IPC: A47B57/42
Filed: 2002-10-29
Abstract: <P>PROBLEM TO BE SOLVED: To hardly cause the separation of side plates in a shelf in which shelf boards are disposed between a pair of the side plates provided separately on the left and right.  <P>SOLUTION: The shelf L is constituted such that the shelf board 2 provided with turned-back parts 22 on side edge parts is attachable between the pair of side plates 1 provided separately on the left and right through shelf plate attaching tools 24. The shelf board attaching tool 24 is provided with engaging pawls 241 which is each an attaching part to be engaged with a shelf board attaching hole 1c provided on the side plate 1 and shelf plate holding parts 242 each having a mounting part 242a for mounting the turned-back part 22 of the shelf board 2 and a shelf board engaging part 242b engaged with the turned-back end part of the turned-back part 22 for holding the shelf board 2. Also, it is provided with abutting plate parts 243 which is each a rotation suppressing part extended from the vicinity of the engaging pawl 241 and constituted so as to abut on the side plate 1 accompanying the separation of the side plates 1 and suppress rotary movement with the vicinity of the engaging pawl 241 as a center of the shelf board attaching tool 24.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004150338-A (JP)
Title: Fuel injection control device of in-cylinder injection internal combustion engine in tube
Inventor: MAEMURA JUN
IPC: F02D41/40
Filed: 2002-10-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel injection control device of an in-cylinder injection internal combustion engine in a tube capable of successfully securing starting performance of an engine.  <P>SOLUTION: The device initiates control of fuel injection if the internal combustion engine is started to crank up by a starter (step 230). In addition, the device conducts control which diminishes a period of the fuel injection (step 250) regarding as condition in a warming-up period (step 240), if initial combustion of the fuel injected into the internal combustion engine is detected on the basis of revolving speed of a crankshaft. Furthermore, the device conducts control which enlarges the period of the fuel injection (step 270) regarding as condition in a starter prompting period (step 260) if it is estimated that the revolving speed of the crankshaft exceeds predefined revolving speed.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004148978-A (JP)
Title: Support body, and pneumatic run-flat tire
Inventor: NAKAZAWA KAZUMA
IPC: B60C17/06
Filed: 2002-10-30
Abstract: <P>PROBLEM TO BE SOLVED: To compose a pneumatic run-flat tire capable of reducing tire noise using a general rim and a pneumatic tire.  <P>SOLUTION: The pneumatic run-flat tire 10 consists of the rim 12, the pneumatic tire 14, and a support body 16. The support body 16 is equipped with a support part 26 formed with a plate, and a rubber made leg part 28. A cover member 32 is fixedly provided on the inner peripheral surface of the support part 26 to compose a sub air chamber 34. The subsidiary air chamber 34 is divided into a plurality of small subsidiary air chambers 34A in a circumferential direction with partition walls 37. One communication hole 38 is formed with respect to respective small subsidiary air chambers 34A on the support part 26, and the small subsidiary air chamber 34A and the communication hole 38 compose a Helmholtz resonant absorber reducing tire noise. Since leg parts 28 at the both ends are formed with an elastic body, the support body 16 can be assembled to the general rim 12 along with the pneumatic tire 14 in the same procedure as a rim assembly of the pneumatic tire 14.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004150154-A (JP)
Title: Connecting reinforcing metal fitting for building earthquake resistance
Inventor: ITO MAKOTO
IPC: E04H9/02
Filed: 2002-10-31
Abstract: <P>PROBLEM TO BE SOLVED: To improve a buffer effect which absorbs vibrations in the vertical direction and rockings in the periphery of a perpendicularity and restoring force by elasticity, and to efficiently prevent the breaking of a building even when these vibrations are generated excessively and impulsively.  <P>SOLUTION: A connecting reinforcing metal fitting for building earthquake resistance has a first metal fitting 2 with abutting sections 5 installed through buffer members 4 composed of an elastic body at both ends so as to be fixed and arranged in an oblique piece shape extensively over a section between mutual crossing building structural materials (P1 and P2) and the second metal fitting 3, in which an arcuate section 6 in which an intermediate section is curved outwards so as to be connected in an arcuate shape at both ends of the first metal fitting 2 is formed and which is fixed onto the structural materials (P1 and P2) together with the first metal fitting 2. Sills P1 and P2 placed on a foundation P are used as the structural materials (P1 and P2), and the abutting sections 5 at both ends of each of the first metal fitting 2 and the second metal fitting 3 are superposed mutually and fixed onto the sills P1 and P2 or the like by tapping screws 11 such as coach bolts.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004158515-A (JP)
Title: Exposure method, method of manufacturing semiconductor device by use of same, and semiconductor device
Inventor: NAGAI KOICHI
IPC: H01L21/027
Filed: 2002-11-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide an exposure method which enables an exposure process to be more accurately carried out in a shorter time than usual, a method of manufacturing a semiconductor device by the use of the same, and the semiconductor device.  <P>SOLUTION: The exposure method comprises a process of forming a film 3 to be etched on a semiconductor wafer 1, applying a photoresist layer 4 on the film 3, an exposure process of projecting a device pattern on the photoresist layer 4 in a device region, and projecting a monitor pattern on the photoresist layer 4 in a space region or a scribe region of a semiconductor chip; a process of developing the photoresist layer 4 so as to form a device resist pattern 4c and a monitor resist pattern 4d; and an optical measurement process of optically measuring the dimensions of the monitor resist pattern 4d, and judging the exposure condition of the device pattern 4c.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003204526-A (JP)
Title: Information recording medium and recording apparatus and reproducing apparatus thereof
Inventor: YAMAMOTO KAORU
IPC: H04N5/93
Filed: 2002-11-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a recording apparatus for recording information to properly select sub pictures at reproduction and to provide a recording apparatus for providing an information recording medium recording the information and a reproducing apparatus capable of selecting the recorded information and reproducing the information full of variety.  <P>SOLUTION: When the recording apparatus outputs compressed multiplex information comprising video data and sub picture data to a DVD for recording attached information and the compressed multiplex information, the apparatus includes forced picture output command to the sub picture data for being forcibly displayed. When the reproducing apparatus detects forcible display of the sub picture at reproduction (step S1), the reproducing apparatus displays a sub video image in a language in the case that the language of the sub video image to be displayed is set in advance (step S3), the reproducing apparatus displays a sub video image corresponding to a language of voice in the case that the language of voice to be outputted is set in advance (step S6), or the reproducing apparatus displays a sub video image in a language in the case that the language to be reproduced and displayed is set in advance specifically to the reproducing apparatus (step S9).  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004158090-A (JP)
Title: Data reproducing device
Inventor: OCHI HIROTAKA
IPC: G11B20/10
Filed: 2002-11-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a data reproducing device for performing proper DC offset control both during seeking which needs following-up to level fluctuation, and during continuous data reproducing which needs the accuracy of a reproduced signal.  <P>SOLUTION: The data reproducing device detects the amplitude of a point which is originally a zero level from the inclination of a signal by a DC offset extraction section 104, generates a DC offset control signal, and corrects the DC offset of a signal by a subtractor 103.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003244964-A (JP)
Title: Circuit and method for driving piezoelectric transformer, backlight unit, liquid crystal display unit, liquid crystal monitor and liquid crystal television
Inventor: NAKATSUKA HIROSHI
IPC: H05B41/392
Filed: 2002-11-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a drive circuit for a piezoelectric transformer in which the transformer can be controlled to be driven at high efficiency and low distortion and which is reduced in size.  <P>SOLUTION: A digital controller 100 fixes frequencies of first and second control signals VC1, VC2 to a predetermined frequency at the time of starting the firing of a cold cathode fluorescent tube 108, controls a phase difference between the first control signal and the second control signal from substantially zero for the output power of the piezoelectric transformer 110 to a predetermined output power level, and controls the phase difference between the first signal and the second signal so that current detection data CD substantially agree with reference data RD, after the tube is fired.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004165401-A (JP)
Title: Composition for forming porous film, porous film and its manufacturing method, interlayer insulation film, and semiconductor device
Inventor: HAMADA YOSHITAKA
IPC: H01L21/316
Filed: 2002-11-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide composition for forming a porous film wherein dielectric characteristic, adhesion, uniformity of coating film, and mechanical strength are superior and moisture absorption is reduced, a porous film and its manufacturing method, and a semiconductor device with high performance and reliability wherein the porous film is incorporated.  <P>SOLUTION: The composition for forming a porous film is comprised of a surfactant and a solution containing a polymer that is obtained by hydrolysis condensation of an alkoxysilane of one or more represented by a general formula (1) and an alkoxysilane of one or more represented by a general formula (2) under the surfactant.(R<SP>1</SP>)<SB>m</SB>Si(OR<SP>2</SP>)<SB>4-m</SB>(1)R<SP>3</SP>Si(R<SP>4</SP>)<SB>n</SB>(OR<SP>5</SP>)<SB>3-n</SB>(2). The method for manufacturing the porous film includes a coating step for coating the composition for forming the porous film and a step for making a film porous.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004162407-A (JP)
Title: Lock for sliding door
Inventor: NISHI YASUO
IPC: E05B17/20
Filed: 2002-11-14
Abstract: <P>PROBLEM TO BE SOLVED: To suppress illegal unlocking in a lock for a sliding door for locking the sliding door by the movement of a hook tip of a hook piece to the inner part of a receiving hole.  <P>SOLUTION: This lock 1 for the sliding door has a cylindrical operating part protective member 65 provided around an operating member 13. The operating part protective member 65 projects in a locked state to prevent illegal unlocking from a clearance between the sliding doors.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004160616-A (JP)
Title: Screw fastening screwdriver
Inventor: ONOUCHI HIROYUKI
IPC: B25B23/04
Filed: 2002-11-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fastening screwdriver provided with a screw alignment mechanism capable of retaining a screw on a tip of a bit and continuously fastening screws, and enabling to carry out automatic setting even under a rough screw attitude.  <P>SOLUTION: In a screw fastening screwdriver provided with a driver bit 4 moved forward and backward by a piston 3 of an air cylinder 1 and rotated by a motor 6, an air supply and discharge port 27 for moving the piston 3 forward and backward is provided on the air cylinder 1, and a screw magazine 10 having a number of screw storage holes 12 provided on a circumference line at a designated pitch is provided on a front tip part of the air cylinder 1 in such a manner that the screw storage holes 12 can index-rotate around an axis coaxial with a axis of the driver bit 4.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003228604-A (JP)
Title: Method and system for supplying elevator construction material by using computer and its computer program product
Inventor: BEGLE GUNTRAM
IPC: G05B19/12
Filed: 2002-11-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and a system for preventing any defect found in a conventional technology and its computer program product.  <P>SOLUTION: In this method and system for supplying elevator construction materials by using a computer and its computer program product, a readable or writable data transmitter is installed in the materials, and the materials are supplied, and the data of the data transmitter are written or read by the computer so that the data can be checked.  <P>COPYRIGHT: (C)2003,JPO