baber/WOPTO huggingface dataset:
Patent JP-2004238687-A (JP)
Title: High-tension hot-rolled steel sheet and high-tension plated steel sheet which are excellent in bake hardenability and ductility and their production methods
Inventor: UCHIMAKI SHINZO
IPC: C21D9/46
Filed: 2003-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high-tension hot-rolled steel sheet and a high-tension plated steel sheet which are excellent in non-aging property at room temperature whose bake hardenability and ductility can be improved without further decreasing the crystal grain size or increasing the amount of solid solution N.  <P>SOLUTION: The high-tension hot-rolled steel sheet has a composition comprising, by mass, 0.05-0.15% C, ≤0.5% Si, 1.2-3.0% Mn, 0.05-1.0% Mo, ≤0.05% P, 0.001-0.1% Al, 0.005-0.02% N and the balance being Fe and unavoidable impurities and has a steel structure comprising, by area, 10-50% low-temperature transformed ferrite phase and the balance substantially being polygonal ferrite phase. The average crystal grain size of the two phases, i.e. the low-temperature transformed ferrite phase and the polygonal ferrite phase, is ≤8 μm.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004237862-A (JP)
Title: Four-wheel drive vehicle
Inventor: FUKAGAWA YOSHINORI
IPC: B60T8/1769
Filed: 2003-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a four-wheel drive vehicle which can prevent front wheels from locking at sudden braking, and prevents the front wheels from lapsing into an unstable state such as the float-up of the rear wheel, the side slip of a vehicle body and inability to control or the like.  <P>SOLUTION: The four-wheel drive vehicle is designed to transmit the power of a prime mover (10) to both front wheels (12L, 12R) and rear wheels (14L, 14R) and provided with a brake means (30) braking only the rear wheels (14L, 14R) or both the front wheels (12L, 12R) and the rear wheels (14L, 14R). A hydraulic buffering means (40) is interposed in a piping system (36L, 36R) supplying brake hydraulic pressure to the brake means (30). When the brake hydraulic pressure exceeds a prescribed value, the hydraulic buffering means (40) decreases the brake hydraulic pressure by increasing the volume.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004242719-A (JP)
Title: Method and device for detecting fraudulent act in rotary drum type game machine
Inventor: KARASUGAWA SATORU
IPC: A63F5/04
Filed: 2003-02-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and device for detecting a fraudulent act that can quickly find a fraudulent game by a fraudulent tool using an electromagnetic solenoid.  <P>SOLUTION: The fraudulent detection method in a rotary drum game machine judges a win or a failure by rotating reels on which winning pieces and failure pieces are arranged and stopping optional pieces in response to the throwing-in of a medal and puts out medals when having judged a win. The fraudulent act detection device in a rotary drum type game machine is provided with a replay piece stopping area 3 in which a replay lamp L is to be lit in the vicinity of the winning piece stopping area 3 of a reel 1, a light sensor 4 or an electric current sensor 5 detecting the frequency of lighting of the replay lamp L, a counter 7 counting the lighting of the replay lamp L, a judgment circuit 8 judging whether the frequency of lighting of the replay lamp L is equal to or higher than a standard value and a warning circuit 8 and a warning device 10 generating a warning when the frequency of lighting is judged to be equal to or higher than the standard value.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004247392-A (JP)
Title: Method for manufacturing semiconductor device
Inventor: NISHIMURA ISAMU
IPC: H01L21/28
Filed: 2003-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a semiconductor device wherein bonding leakage current is not generated by suppressing metal spreading, and wherein shallow bonding is attained, and generation of bonding leakage current is excluded, so that superior element characteristic is realized.  <P>SOLUTION: The method for manufacturing a semiconductor device is provided with a process for forming a gate electrode 4 on a silicon substrate 1 through a gate insulating film 3, a process wherein a diffusion layer 7 turning to a source or a drain is formed on regions with which the gate electrode 4 is sandwiched by injecting impurities in the silicon substrate 1, a process for forming a metal film 8 on the diffusion layer 7, and a process wherein a metal silicide layer 10 is formed on the diffusion layer 7 by irradiating the metal film 8 with radiation 14 whose wavelength is 100-800 nm. The metal silicide layer 10 may be formed on the gate electrode 4, and an oxidization preventing film 9 may be formed on the metal film 8.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004247831-A (JP)
Title: High-frequency circuit, and low-noise down converter provided therewith
Inventor: INAMOTO TATSUNOBU
IPC: H01P1/00
Filed: 2003-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high-frequency circuit which can be constituted to be small even if bias lines cross a microstrip line or a microsprip line crosses another microstrip line, and is applicable to a wide band.  <P>SOLUTION: The high-frequency circuit is provided with the microstrip line 14R formed on the surface of a substrate; and the bias lines 16L1, 16L2 having one part is formed on the backside of the substrate, so as to cross the microstrip line 14R as seen in a plane view and applying bias to a predetermined electronic circuit. In this circuit, the conductive pattern of the microstrip line 14R is cut at a point where the microstrip line 14R crosses the bias lines 16L1, 16L2 in order to prevent the ground surface of the microstrip line 14R cut by the bias lines 16L1, 16L2 from becoming discontinuous, a ground pattern is arranged between the cut conductive patterns, and the microstrip line 14R is connected by providing a chip jumper 19 between the conductive patterns.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004078146-A (JP)
Title: Image formation apparatus and heater control method
Inventor: SATO NAOMOTO
IPC: H05B3/00
Filed: 2003-02-13
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the input waveform of an AC power supply connected to a fixing heater from being distorted, to suppress fluctuations in power supply voltage and to supply maximum power to the fixing heater.  <P>SOLUTION: An image formation apparatus is provided with: a fixing heater (HT); a zero-cross detection circuit 6 which detects a zero-cross point of a frequency of an AC power source 10 connected to the heater; and a control part (CNT) 5 which controls light-on of the heater by PWM control of the frequency of the AC power source 10 and controls a duty width of a PWM control signal for the frequency of the AC power source for a half period corresponding to a period between the adjacent zero-cross points detected by the zero-cross detection circuit 6 to control the amplitude of the input current from the AC power source 10 so that a waveform of the input current becomes a rough approximation of a sine wave.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004248010-A (JP)
Title: Mobile telephone set
Inventor: YAMANAKA KATSUMI
IPC: H04M1/03
Filed: 2003-02-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mobile telephone set which can be easily aligned with the position of an earhole by immediately recognizing the position of clearest hearing, namely, the position of a received voice oscillating hole from the touch on the ear when pressing onto the ear.  <P>SOLUTION: A projecting expansion part 2a is provided around the received voice vibration hole 1 for hearing the received voice in a receiving part.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004245176-A (JP)
Title: Structure and unit for oil separator
Inventor: TANAKA FUSATOSHI
IPC: F01M13/00
Filed: 2003-02-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a structure and a unit for an oil separator for increasing separation performance for the oil.  <P>SOLUTION: The structure and the unit for the oil separator form a closed space 36 out of recesses 24 in a cylinder block 2 and a cover material 30, partition the closed space 36 into a flattened outer chamber 49 and an inner chamber 48 by a bulkhead plate 31, and the inner chamber 48 into a first inner chamber 54 communicating with an internal crank case 5 and a second inner chamber 55 communicating with a blowby gas discharge port 45 by partition wall ports 26, 53, and forms a blowby gas lead-in port 58 for communicating the first inner chamber 54 to the outer chamber 49 and a blowby gas lead-out port 59 for communicating the outer chamber 49 with the second inner chamber 55 in the bulkhead plate 31. With this constitution, oil separation is performed by gravitational settling or the like in the first inner chamber 54, while it is performed through cooling or the like in the outer chamber 49. In the second inner chamber 55, it is performed by the gravitational settling or the like.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004088061-A (JP)
Title: Protective thin flat material, thin flat laminar body, and method of forming organic film
Inventor: SANO KIMIHIKO
IPC: H01L21/60
Filed: 2003-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To suppress generation of waving deformation at both ends of a tape-shaped structure body in the tape width direction, when a long tape-shaped structure body for obtaining a TCP, a COF or the like is wound around a reel overlapping with a protective tape.  <P>SOLUTION: The shapes of projections 33, 34 formed respectively on front and rear surfaces at the both ends in the width direction of the protective tape 31 are a substantially trapezoid seen from the end face side of the protective tape 31. Under the condition that the tape is wound around the reel, even if the displacement of the projections 33, 34 is caused, top parts 34a of the projections 34 arranged at the inner side of a protective tape 31 positioning at the outer side partially abut on top parts 33a of the projections 33 arranged at the outer side of the protective tape 31 positioned at the inner side through the both ends in the width direction of the base tape 22, thereby suppressing the generation of waving deformation at both ends in the width direction of the base tape 22 of the tape-shaped structure body 21 .  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004249539-A (JP)
Title: Recorder for reversible multicolor recording medium
Inventor: TSUBOI HISANORI
IPC: B41J2/32
Filed: 2003-02-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a recorder for a reversible multicolor recording medium capable of recording/erasing information repeatedly.  <P>SOLUTION: The recorder for recording/erasing information on a reversible multicolor recording medium 10(20) comprises a rotary means 79 for rotating the recording medium in the same plane as the surface of the medium, a laser beam oscillating means irradiating a plurality of laser beams having different wavelengths, a lens system for irradiating the surface of the reversible multicolor recording medium with a laser beam, a shifting means for shifting the irradiating position of laser beam in the direction perpendicular to the rotational axis of the reversible multicolor recording medium, and a modulation means for modulating the output of laser beam selectively depending on the irradiating position of laser beam and recording information.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004253688-A (JP)
Title: Semiconductor device and its manufacturing method
Inventor: ENOMOTO YASUYUKI
IPC: H01L21/311
Filed: 2003-02-21
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that wiring defect is caused by disappearance of Cu when a wide wiring and a fine wiring are conductively connected through a contact hole by using Cu for a wiring material.  <P>SOLUTION: In the process of formation of a second buried wiring in an upper layer of a first buried wiring 105, a contact hole 108 and a dummy hole 109 of different opening diameters are formed on the first buried wiring 105. The dummy hole 109 is formed with an opening diameter which is larger than that of the contact hole 109. Accordingly, the surface of the first buried wiring 105 is exposed only in a bottom of the dummy hole 109 by using the difference in etching rate. While adhesion to a wiring material is relatively raised at the bottom of the contact hole 108, adhesion to the wiring material is relatively lowered at the bottom of the dummy hole 109 by doing etching damage to the exposed part.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003260123-A (JP)
Title: Resorbable extracellular matrix for reconstruction of bone
Inventor: GEISTLICH PETER
IPC: A61L27/24
Filed: 2003-02-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide an improved material and method for promoting regeneration and reconstruction of bone tissue.  <P>SOLUTION: A bone healing combination material comprises a matrix carrying cultivated bone-forming cells which may be osteocytes, osteoblasts, stromal stem cells or stem cells committed to differentiation into bone-forming osteoblasts. The matrix is a purified collagen matrix material derived from natural collagen-containing animal tissue, a porous bone mineral matrix material derived from natural bone having a crystal structure substantially of natural bone and being substantially free from endogenous organic material, or a combination of the purified collagen matrix material and the porous bone mineral matrix material.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004073823-A (JP)
Title: Drum washing machine
Inventor: CHANG JAE WON
IPC: D06F37/20
Filed: 2003-02-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a drum washing machine that a coupling structure between a damper and a cabinet is improved and that a cabinet vibration caused by a tab vibration generated at the time of transient vibration and normal spin dry is minimized.  <P>SOLUTION: The drum washing machine consists of a cabinet 1, a drum 3 that can be rotated freely in the cabinet 1, a tab that encases the external of the drum 3, a damper 8 attached between the cabinet 1 and the tab 2 for attenuating the vibration of the tab 2, and a resilient member 102 that connects one end of the damper 8 and the cabinet 1 and that vibrates and deforms elastically when the vibration of the tab 2 is transferred through the damper 8.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004255503-A (JP)
Title: Portable power tool
Inventor: KUWABARA AKIO
IPC: B25F5/02
Filed: 2003-02-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a portable power tool to be hooked on a waist band, wherein a hook attached to the tool for hooking on the band is surely and simply fitted depending on the operator's dominant arm and the fitted hook is surely fixed and does not easily release.  <P>SOLUTION: The portable power tool (a) such as an impact driver is equipped with a driving motor 2 including a switch 3 and a support 4 above a handle 1, and an electric storage chamber 11 detachable on a lower base 6 of the handle 1. Insertion holes 12 for inserting legs 19 of the belt hook b are formed respectively on both right and left sidewall surfaces constituting the lower base 6 of the handle 1, and hook locks 13 for locking the legs 19 of the hook b are provided inside the right and left sidewall surfaces of the handle 1.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004258574-A (JP)
Title: Electrophotographic printer
Inventor: NOZAWA KENJI
IPC: G03G21/16
Filed: 2003-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a printer that can enhance safety and handleability in replacement of a developing toner supply part and makes a developing toner supply device to be securely replaceable.  <P>SOLUTION: An electrophotographic printer is equipped with: a 1st printer which is arranged at a large distance from a paper discharging mechanism and capable of both-surface printing by itself; a 2nd printer which is arranged near the paper discharging mechanism and capable of both-surface printing by itself; and a transport part which can turn over and send a form printed at a 1st printing part to a 2nd printing part. Each of the 1st printer and 2nd printer has a form transport means and an electrophotographic printing part, each form transport means can transport forms to printing parts independently, and a form printed at the 1st printing part can be printed at the 2nd printing part. Each of the printing parts has a development part and a toner supply part, and development parts and toner supply parts can individually be replaced and are configured to individually store data on use histories, toner colors, etc.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004264181-A (JP)
Title: Color estimation method and color image forming device
Inventor: HOSHINO TORU
IPC: G01J3/46
Filed: 2003-03-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a color estimation method when inks containing pigments are printed superposingly, and a color image formation device to which the color estimation method is applied.  <P>SOLUTION: Concerning each wavelength λ of light, the spectral concentration D1(λ) when a first color material containing a pigment to be printed on the lower side in superposing printing is printed on a recording medium is measured, and the spectral concentration D2(λ) when a second color material not containing the pigment to be printed on the upper side in superposing printing is printed on the recording medium is measured, and the spectral concentration DW(λ) of the recording medium is measured. In each wavelength λ of the light, the value proportional to the difference between D1(λ) and DW(λ), the value proportional to the difference between D2(λ) and DW(λ), and DW(λ) are added together, and the value proportional to the product between the value proportional to the difference between D1(λ) and DW(λ) and the value proportional to the difference between D2(λ) and DW(λ) is subtracted from the addition result, and the result is used as the spectral concentration DM(λ) of the color acquired by printing the second color material in piles on the first color material.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004262723-A (JP)
Title: Single crystal pulling unit and single crystal pulling method
Inventor: OTSUKA AKIRA
IPC: C30B15/00
Filed: 2003-03-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a single crystal pulling unit capable of improving the quality of a single crystal, and a single crystal pulling method.  <P>SOLUTION: In this single crystal pulling unit, a single crystal is pulled from a feed melt liquid in a crucible, and the unit is equipped with a heater located around the crucible and a shield surrounding the outer surface of the single crystal pulled from the feed melt liquid in a crucible, and at least two of the crucible, the heater, and the shield are structured to be independently vertically movable. While a crystal is growing, at least two of the crucible, the heater, and the shield are moved vertically, and generation of surface sub-boundary and dislocation, prevention of hitting the bottom, controllability of diameter, etc., are regulated with good balance to obtain a high quality single crystal comparatively easily.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004004585-A (JP)
Title: Liquid crystal display
Inventor: NAKATANI YOSHIKI
IPC: G02F1/1365
Filed: 2003-03-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reflection type liquid crystal display in which a necessary and sufficient margin is assured for positioning with respect to the deformation of a substrate at the time of manufacturing, a large aperture is available, and a fine display is realized.  <P>SOLUTION: A thin film dual terminal element 12 is so composed that the projected part 19a of a second electrically conductive layer 19 is laminated on a first electrically conductive layer 16 via a non-linear resistor layer 18, an electrically insulating layer 17 is disposed between the first electrically conductive layer 16 except a region which becomes the thin film dual terminal element 12 and the second electrically conductive layer 19, thus the tolerance of the relative position of the second electrically conductive layer 19 with respect to the first electrically conductive layer 16 and the non-linear resistor layer 18 becomes remarkably large compared to a conventional technology, and the necessary and sufficient positioning margin with respect to the deformation of a substrate 11 at the time of manufacturing is assured.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004263122-A (JP)
Title: Anisotropic conductive film
Inventor: KURITA EITETSU
IPC: H01B5/16
Filed: 2003-03-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide an anisotropic conductive film which satisfies both of high peel strength and low connection resistance under a compression bonding condition of short time and low substrate temperature such as 30 sec at 150 °C and 17 sec at 160 °C during compression bonding of a glass and a flexible substrate, and also satisfies connection reliability and long-term storage.  <P>SOLUTION: The anisotropic conductive film is composed of a conductive particle, an epoxy resin having one or more epoxy rings, an organic binder, and a solid powder of a microcapsule-type latent curing agent, wherein when the weight of the epoxy resin is x and the weight of the solid powder of the microcapsule-type latent curing agent is y, it is satisfied that the weight ratio of the composition x/y is 0.5≤x/y≤2.3.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004004589-A (JP)
Title: Mach-zehnder waveguide type electrooptic light intensity modulator
Inventor: MURATA HIROSHI
IPC: G02F1/035
Filed: 2003-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a Mach-Zehnder waveguide type electrooptics light intensity modulator which is driven with lower power and voltage than those of a conventional type device.  <P>SOLUTION: Polarization reversing structures 1 and 2 are so manufactured that the parts which correspond to respective optical paths have a self-generative polarization reversed to each other on two optical paths 3A and 3B constituting a Mach-Zehnder waveguide. Further, a structure is adopted in which a push-pull type symmetric coplanar structure traveling wave electrode is so arranged that both ground electrodes 4A and 4C are located precisely above the optical path. Thus, an effective electrode gap is made a half that of a conventional type optical modulator, thereby obtaining an optical modulator which is driven with a quarter power.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004269386-A (JP)
Title: Tissue hypoxic state-improving agent
Inventor: SHIRASAWA TAKUJI
IPC: A61K35/76
Filed: 2003-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a tissue hypoxic state-improving agent which is useful for treating or preventing an ischemic pathology.  <P>SOLUTION: This tissue hypoxic state-improving agent contains (1) a Titusville type mutation-having α-globin, (2) a polynucleotide containing a base sequence encoding the amino acid sequence of the Titusville type mutation-having α-globin, or (3) an expression vector containing the polynucleotide as an active ingredient.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004267081-A (JP)
Title: Combine harvester
Inventor: HIROSE TOMOYOSHI
IPC: A01F12/20
Filed: 2003-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a combine harvester designed to reduce load variation in delivering grain culms from the head 57 of a threshing cylinder 5 to the body 28, reduce the mechanical power necessary for driving the threshing cylinder 5, and improve driving efficiency and durability.  <P>SOLUTION: The combine harvester includes a reaping section 10 equipped with cutting blades 21 for reaping grain culms in a farming field and rake members 22 for raking reaped grain culms and a threshing section 4 equipped with the threshing cylinder 5 and a separatory mechanism 6, wherein multi-row spiral intake blades 56 are provided on the outer circumference of the head 57 in the front of the threshing cylinder 5, while spiral feed blades 29 are provided on the outer circumference of the body 28 of the threshing cylinder 5. In this combine harvester, the pitch of the feed blades 29 at the front side of the body 28 of the threshing cylinder 5 is made smaller than that of the feed blades 29 at the rear side.  <P>COPYRIGHT: (C)2004,JPO&NCIPI