baber/WOPTO huggingface dataset:
Patent JP-2004266311-A (JP)
Title: Antenna
Inventor: OGAWARA KAZUHIKO
IPC: H01Q5/371
Filed: 2003-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To obtain sufficient electric characteristics in a plurality of frequency bands, in spite of having a structure which is suitable for minaturization and cost reduction by using a conductor pattern where antenna elements able to resonate in a plurality of the frequency bands are two-dimensionally formed along the face of a substrate.  <P>SOLUTION: An antenna of a single power supply system is basically composed of a ground-type antenna where the antenna current is mapped on a ground conductor 32. The antenna is provided with: a linear main radiation conductor part 23 where one end is a power supply end and the other end on an opposite side is an open end; and a linear shorting conductor part 24 which is branched in a T shape from the middle of the main radiation conductor part 23 and is connected to the ground conductor 32. The distribution path of the antenna current has a first path extending from one end to the other end of the main radiation conductor part, a second current path extending from one end of the main radiation conductor part 23 to the ground conductor 32 through branching in the T shape, and a third path extending to the ground conductor 32 and formed by folding the other end of the main radiation conductor part. Thus, at least two resonance frequency bands are given in a region except for harmonics.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004219010-A (JP)
Title: High-frequency heating cooker
Inventor: ANDO YUJI
IPC: H05B6/72
Filed: 2003-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high-frequency heating cooker capable of efficiently and evenly performing partial heating without giving the damage to a high-frequency generating device.  <P>SOLUTION: This high-frequency heating cooker 1 has a heating chamber 11 applying its front face as a door 12. The high-frequency from the high-frequency generating device 13 is supplied from a wave guide tube 14 to the heating chamber 11. An antenna 18 mounted on the wave guide tube 14 controls the distribution of high-frequency. A control part 30 performs the control so that the antenna 18 is oscillated toward a specific direction at a specific angle. An oscillating angle of the antenna 18 is controlled on the basis of an inputted heating condition. The oscillating angle of the antenna 18 is controlled correspondingly to the operating temperature of the high-frequency generating device 13 detected by a temperature detecting element 43.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004191903-A (JP)
Title: Optical path conversion component and its manufacturing method, and optical surface mounting waveguide using the same
Inventor: SASAKI ATSUSHI
IPC: G02B6/122
Filed: 2003-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical path conversion component which can be mounted with high-density or miniaturized, enables mounting of a photoelectric element to be easily performed with low coupling loss and consequently can be used for an optic/electric wiring substrate, its manufacturing method and a surface mounting waveguide.  <P>SOLUTION: The optical path conversion component 1 is constituted by joining tilted surfaces provided in two or more optical fibers having transmission line structure consisting of a core and a clad, wherein the optical path conversion component has a reflection surface for propagating light from transmission line structure of one optical fiber to transmission line structure of the other optical fiber. The optical path conversion component 1 is embedded in a through hole 7 of an optical waveguide and an optical signal to be transmitted on the optical waveguide 8 is made to reach photoelectric elements 12, 13. In addition, it is preferable that a single layer of metal thin film or a multi-layer film combining the single-layer film is deposited on the reflection surface of the optical path conversion component.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004228286-A (JP)
Title: Power semiconductor device
Inventor: NISHIBORI HIROSHI
IPC: H01L23/34
Filed: 2003-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a power semiconductor device mounting a semiconductor element on a heat sink through an insulating substrate and resin molded on the periphery in which a heat cycle lifetime at least equivalent to that of a conventional device using solder containing lead is ensured even when lead-free solder is used.  <P>SOLUTION: The semiconductor device comprises the heat sink 1, the insulating substrate 2 bonded onto the heat sink 1 through bottom solder 7 of the substrate, the semiconductor element 6 bonded onto the insulating substrate 2 through bottom solder 8 of the semiconductor element, and mold resin 14 formed around the insulating substrate 2 wherein the height of the mold resin 14 from the heat sink 1 is set higher than the upper surface of the insulating substrate but lower than the upper surface of the semiconductor element 6.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004204659-A (JP)
Title: Piping header member
Inventor: YAMAMOTO MASAKI
IPC: F16L41/08
Filed: 2003-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a new technique for eliminating water leakage from a region connected to a piping header member which is used in a piping course for pouring a fluid.  <P>SOLUTION: This piping header member is internally formed with a fluid course and is equipped with branching holes for branching a fluid into a plurality of courses; a pipe-shaped connecting portion is formed at one end of the fluid pass; another end is a piping header member which comprises one-push type joint portion having a built-in type O-ring fitted to a pipe-shaped connecting portion and a pipe retaining ring; a protection cylinder having a bottom is fitted to the outer periphery of the pipe-shaped connecting portion; and the branching hole is preferably sealed with a cap with a support sleeve fitted to the tip of the pipe in an internally wrapped state inside the joint portion.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004228447-A (JP)
Title: Semiconductor device and method for manufacturing the same
Inventor: KIMURA NAOTO
IPC: H01L23/50
Filed: 2003-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mold-resin sealed semiconductor device which comprises a substrate having a plurality of chips mounted thereon and which is made thin, and also to provide a method for manufacturing the semiconductor device.  <P>SOLUTION: The semiconductor device comprises the silicon substrate 1, hanging pins 2, leads 3, a heat spreader 4, and heat spreader hanging pins 5. One end of each hanging pin 2 is bonded with an adhesive 25 to each of four corners of the surface of the substrate 1 each hanging pin 2 has a three-dimensional shape obtained by bending a plate, and the heat spreader 4 hung by the pins 5 is provided under the substrate 1.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004223167-A (JP)
Title: Game machine
Inventor: UGAWA SHOHACHI
IPC: A63F7/02
Filed: 2003-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To improve player's amusement in a game by exciting player's expectations on a passage through which game balls pass.  <P>SOLUTION: When it is judged that passing of another game ball is detected by a passage pass ball detector 43b disposed on a flow-down passage having a high probability of entering a V-zone while executing a performance indication based on passing of a game ball through a flow-down passage with a low probability of entering the V-zone in a start operating state in which an opening/closing member performs an opening/closing operation, a CPU 103 of a fundamental circuit 100 of a game control board 11 stops the performance indication under execution. Then, it is switched to a performance indication based on passing of the game ball through the flow-down passage with the high probability of entering the V-zone for execution.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004233669-A (JP)
Title: Reflective liquid crystal display element and its manufacturing method
Inventor: YONEZAWA MASAYOSHI
IPC: G02F1/1335
Filed: 2003-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the occurrence of patterning defect such as disconnection due to light reflection and collection caused by a reflection layer formed below a transparent conductive film when patterning of the transparent conductive film is performed by a photolithography method, in a reflective liquid crystal display element.  <P>SOLUTION: An uneven pitch of a photosensitive resin layer 5 in a non-display area is formed smaller than the uneven pitch of the photosensitive resin layer 5 in a display area and smaller than the width dimension of the minimal pull-around electrode 9b formed at a substrate 3 on the side opposite from a viewing side.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004238646-A (JP)
Title: Good thermal conductor having controlled heat flow rate and its production method
Inventor: KOBAYASHI KEIZO
IPC: B22D19/00
Filed: 2003-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing a good thermal conductor in which metal fiber is dispersed and to provide the good thermal conductor produced by the method.  <P>SOLUTION: In the method for producing the good thermal conductor having controlled heat flow rate, metal fiber is composed with a matrix of metal or alloy having a melting point of ≤120°C to prepare a metal fiber/low-melting point metal or alloy composite in which the metal fiber is oriented and dispersed, and the composite is arbitrarily shaped. The good thermal conductor is constituted of the metal fiber/low-melting point metal or alloy composite which is prepared by this method and in which the metal fiber is composed with the matrix of the low-melting point metal or alloy having a melting point of ≤120°C. By this method, the good thermal conductor in which the heat flow rate can be controlled and a variance in temperature in the good thermal conductor can be prevented and a homogeneous liquid phase can be rapidly generated and which has low thermal resistance can be obtained.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004240741-A (JP)
Title: Face collating device
Inventor: YAMAGUCHI YOJI
IPC: G06T1/00
Filed: 2003-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a face collating device capable of reducing time for dictionary registration by eliminating the need for externally entering face images several times when desiring to register the face images of a plurality of patterns for the same person.  <P>SOLUTION: A variety of composite parts images to be composited are previously prepared with respect to the face image of a collation object person. The composite parts images to be desired are selected from among the prepared composite parts images, and composited with the face image of the entered collation object person, then the composite image and the entered face image are registered as dictionaries, respectively.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004247805-A (JP)
Title: Bias generating circuit
Inventor: UGAJIN MAMORU
IPC: H03F1/30
Filed: 2003-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a bias generating circuit for generating a stable current against power supply voltage variations.  <P>SOLUTION: The bias generating circuit 1 comprises: a gate voltage generating circuit 3 for generating a gate voltage of a load pMOS transistor; a replica circuit 4 for simulating an amplifier circuit 2; and a feedback amplifier AMP 1. The feedback amplifier AMP 1 controls a gate potential of a transistor MN 20 so that a gate potential of a transistor MP 00 is equal to a gate potential of a transistor MP 21.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004243186-A (JP)
Title: Long size body-arranging structure, droplet discharge device, electro-optical device, method for producing electro-optical device, and electronic equipment
Inventor: KOJIMA KENJI
IPC: H05B33/10
Filed: 2003-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a long size body-arranging structure where, even if the leakage of a liquid from liquid passage piping occurs, damage can be prevented to the minimum, to provide the long size body-arranging structure where the occurrence of an adverse effect caused by the interference between electric wiring for heavy electricity and electric wiring for light electricity can be prevented, to provide a droplet discharge device provided with the above long size body-arranging structure, to provide an electro-optical device produced by using the droplet discharge device, to provide a method for producing the electro-optical device using the droplet discharge device, and to provide an electronic equipment provided with the electro-optical device.  <P>SOLUTION: The droplet discharge device is provided with a device body, a head unit support 61 set movably in an X-axis direction, liquid passage piping 411 through which a liquid as an object for discharge passes and which is arranged therebetween, electric wiring and ventilation piping. The liquid passage piping 411, electric wiring and ventilation piping are stored inside separate long size body-supporting guide apparatuses.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004247907-A (JP)
Title: Apparatus for information on acceptable situation in mobile unit communication
Inventor: CHINOMI SATOSHI
IPC: H04M11/08
Filed: 2003-02-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus for informing whether information is acceptable or not in mobile unit communication capable of easily recognizing whether information is acceptable or not for each information.  <P>SOLUTION: The list of contents is obtained from a base station. It is determined whether each content is acceptable or not until a mobile unit goes to an uncommunicable point based on the amount of data for each content, a vehicle speed, a communication speed with the base station, and the communication state of a road during travelling. The determination result is informed.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004246048-A (JP)
Title: Multilayered film filter for optical multiplexer/demultiplexer
Inventor: SATO TAKASHI
IPC: G02B1/11
Filed: 2003-02-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a great volume of multilayered film filters which are low in cost, low in loss and less in variation.  <P>SOLUTION: The insertion loss can be reduced to ≤-0.4 dB by regulating the surface waviness of a multilayered film forming surface of a base material (base material A side) to 6 to 40 nm and the surface waviness of an antireflection film forming surface (base material B side) of the base material to 6 to 70 nm. The variation of the insertion loss is suppressed by confining the ratio of the surface waviness of the base material A side and the base material B side to ≤5/3. The mass production at the low cost is made possible by confining the lower limit of the surface waviness of the base material to 6 nm.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004247171-A (JP)
Title: Electron emitting portion, flat panel display, flat light source, cold cathode fluorescent lamp, electrodeless fluorescent lamp and these manufacturing methods
Inventor: AKEBOSHI MINORU
IPC: H01J29/04
Filed: 2003-02-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an easy manufacturing methods for an electron emitting portion, a flat panel display or a flat light source.  <P>SOLUTION: A metal element 1 which constitutes an electron emitting portion of a cathode and an alkali metal supply material 2 in contact with the metal element 1 are disposed in a sealed vessel 23 with a discharge gas (Ar) contained inside, wherein a pair of surfaces confronting each other comprises a front face panel 8 and a rear face panel 6. The metal element 1 and the alkali metal supply material 2 are heated while discharging the discharge gas (Ar) by applying a high-frequency voltage between the cathode and an external electrode 22 arranged outside the sealed vessel. The discharge gas (Ar) is discharged from the sealed vessel 23 after an alkali metal supplied from the alkali metal supply material 2 is adsorbed onto a face of the metal element 1.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004222478-A (JP)
Title: Pfc device
Inventor: YAMADA KATSUO
IPC: H02M7/12
Filed: 2003-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a PFC device in which a PFC additional function is realized at lower cost and more easily in various kinds of electric appliances including a personal computer.  <P>SOLUTION: This PFC device is structured with an inductance arranged inside a boot coil that constitutes a voltage-saving active filter to prevent short-circuit current that is caused by the reverse recovery time of a commutating diode. An AC input 1 is rectified by a bridge rectifier circuit 2, and a small capacitance film capacitor 3 passes a high frequency component. A prescribed PFC operation is performed by the boot coil 4, the short-circuit preventing inductor 5, the commutating diode 6, a transistor 7, and an electrolytic capacitor 8, and outputted to 9, 10.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004245134-A (JP)
Title: Shaft seal structure of pump
Inventor: HAYASHIMOTO KAZUTOMO
IPC: F04D29/12
Filed: 2003-02-14
Abstract: <P>PROBLEM TO BE SOLVED: To enable lubrication of a sliding section of a double mechanical seal by supplying a sufficient amount of lubricating oil to it, and to prevent the lubricating oil contaminated with a fed fluid from leaking into a bearing box.  <P>SOLUTION: A lubricating oil chamber 22 and a sealed space 26 separated by a partition 24 are arranged axially in parallel between a back wall 18 of a casing 16 and the bearing box 32, the gap between the back wall 18 and a rotating shaft 14 is sealed by a first mechanical seal 40, the gap between the partition 24 and the rotating shaft 14 is sealed by a second mechanical seal 46, and the lubricating oil is charged in the lubricating oil chamber 22.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004251485-A (JP)
Title: Chiller device
Inventor: IWAMOTO KAZUYOSHI
IPC: F25D17/02
Filed: 2003-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a chiller device capable of quickly making a refrigerant temperature of each load-side circuit to follow each set temperature in cooling a plurality of loads.  <P>SOLUTION: A pure water refrigerant bypass channel 30 of a child chiller device ch1 is mounted just before a control valve 32 to return the pure water refrigerant just before being supplied to the load-side circuit C3<SB>1</SB>. The pure refrigerant not passing through the control valve 32 is returned to a main tank 25a through a pure water refrigerant bypass channel 30 and a pure water refrigerant return channel 12b. Further the cooling water bypass channel 35 is mounted just before a control valve 37 to return the cooling water just before being supplied to the load-side circuit C3<SB>1</SB>. The cooling water not passing through the control valve 37 is returned to an outdoor cooling unit 10 through a cooling water bypass channel 35, a branched cooling water returning channel 15c and a cooling water returning channel 11b.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004251779-A (JP)
Title: Three-dimensional shape detector for long flexible member
Inventor: FUJITA HIROSHI
IPC: A61B5/06
Filed: 2003-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To allow simple and compact constitution, and to dispense with complicated signal processing.  <P>SOLUTION: FBGs 1a-1d provided with a plurality of refractive index changing parts 2a-2n at a prescribed pitch P along a longitudinal direction are attached to four flexible carriers 4 vertically and laterally, a signal light including λ1-λn of wavelength range is transmitted from a light source 3 into the four FBGs 1a-1d to generate reflection-diffracted lights from the respective refractive index changing parts 2a-2n, the reflection-diffracted lights contain position signals along longitudinal directions of the FBGs 1a-1d, and signals as to curved directions and curved degrees thereof, and a three-dimensional shape of a sensor cable 5 is detected based on loci thereof.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004253655-A (JP)
Title: Method and program of timing verification
Inventor: HISAE KENJI
IPC: H01L23/52
Filed: 2003-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a timing verification method wherein the influence of a dummy metal can be surely taken into account in a design stage regardless of an actually generated pattern of the dummy metal.  <P>SOLUTION: The verification method includes the following stages that a first RC information is extracted from layout information on the basis of a first RC extraction rule corresponding to a case when the number of dummy metals is a maximum, a second RC information is extracted from a layout information on the basis of a second RC extraction rule corresponding to a case when the number of dummy metals is a minimum, a first timing verification is conducted on the basis of the first RC information, a second timing verification is conducted on the basis of the second RC information, and the layout is judged according to a result obtained from the first and second timing verifications.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004149399-A (JP)
Title: Activated carbon, its manufacturing method and its use
Inventor: TANAKA MASAKO
IPC: C01B32/336
Filed: 2003-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide activated carbon which can increase electric capacity per one electrode without applying an excess voltage, and to provide a method for manufacturing the activated carbon and an electric double layer capacitor.  <P>SOLUTION: The activated carbon has 10 to 1,500m<SP>2</SP>/g BET specific surface area obtained by a nitrogen adsorption method and contains no graphite microcrystal. The activated carbon is manufactured by the method including a process of heat treating coal pitch in two-stage temperature ranges of 400°C to 600°C and 600°C and 900°C, mixing the obtained carbonaceous source material with an alkaline metal compound to activate in a temperature range from 600°C to 900°C. The activated carbon is obtained by the above method.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004258460-A (JP)
Title: Illumination device for liquid crystal display panel
Inventor: MOTOHASHI MASAMI
IPC: G02F1/13357
Filed: 2003-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To prevent increase in the thickness of optical sheets due to the use of a double-face sticky adhesive tape in the process of sticking the optical sheets on the same side of the sheets with the sticky adhesive tape like binding a book for preventing the optical sheet from blowing out when air is blown to the optical sheets layered on a light guide plate to remove dust.  <P>SOLUTION: In the process of forming tongue pieces where the double-face sticky adhesive tape T is applied in the same side of optical sheets 31 to 34, the tongue pieces 311, 331 of the optical sheets 31, 33 in odd numbers are arranged in the position different from the position of the tongue pieces 321, 341 of the sheets 32, 34 in even numbers so as to avoid overlapping when sheets are stacked.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004263235-A (JP)
Title: Sulfuric acid dew-point corrosion-resistant cold-rolled steel sheet for heat-transfer element of air preheater, and method for manufacturing the same
Inventor: SAKAMOTO TOSHIHARU
IPC: C22C38/60
Filed: 2003-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide, at low cost, a steel sheet for an air preheater element capable of demonstrating corrosion resistance equivalent or superior to that of known steel in an acid dew-point corrosive environment, and a method for manufacturing the same.  <P>SOLUTION: The sulfuric acid dew-point corrosion-resistant cold-rolled steel sheet for a heat transfer element of an air preheater contains, by mass, ≤ 0.1500% C, 0.1 to 2.0% Si, ≤ 1.0% Mn, ≤ 0.05% P, ≤ 0.05% S, 0.05 to 1.0% Cu, ≤ 0.10% Al and ≤ 0.020% N, and the balance Fe with accompanying components and/or inevitable impurities. The elongation by a tension test directly after cold rolling is ≥ 1%.  <P>COPYRIGHT: (C)2004,JPO&NCIPI