baber/WOPTO huggingface dataset:
Patent JP-2003230527-A (JP)
Title: Pump and washing device
Inventor: SHIMADA YOSHIHIRO
IPC: F04D29/42
Filed: 2002-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pump which can generate wash water having increased detergency and a washing device which uses the pump and has excellent washing performance.  <P>SOLUTION: In the pump, a motor portion 10 having a suction port 11 for a fluid and a pump portion 30 having a discharging port 31 for wash water for discharging the wash water are integrally formed, a rotator 20 having a magnetic body 22 in the inner circumference of a stationary part 12 is rotatably arranged in the motor portion 10, further, a flowing water path 19 from the suction port 11 to the pump portion 30 is placed near the axis of the rotator 20, an impeller 23, which rotates with rotation of the rotator 20 and sends to the discharging port 31 for the wash water the fluid from the flowing water path 19 as the wash water, is placed in the pump portion, and an air bubble generating portion 38 for mixing an air bubble into the wash water is placed near the discharging port 31 for the wash water.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003232822-A (JP)
Title: Resistivity measuring method by four probe method and its device
Inventor: KASHIWABARA KAZUNOBU
IPC: G01R27/08
Filed: 2002-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a resistivity measuring method by a four probe method and its device, suitable for measuring the resistivity of a measuring object such as a silicon ingot.  <P>SOLUTION: In this resistivity measuring method by the four probe method and this device, four probes are pressurized and brought into contact with the measuring object fixed on an insulator, and a current flowing in the measuring object and a voltage drop portion caused by a resistance of the measuring object are measured respectively, and the resistivity is calculated based on the measured values. In the method and the device, the pressure contact of the measuring object with the fixed four probes is detected as a trigger signal, and the detected trigger signal is inputted into a computer, and thereby the current flowing in the measuring object and the voltage drop portion caused by the resistance of the measuring object are taken simultaneously and instantly after a fixed time and operated, and the resistivity of the measuring object is calculated. Hereby, an influence to stability of an output current from a power source, an influence of a disturbance noise, an induced noise from a human body as a disturbance noise or the like can be removed. The measuring object can be grasped and measured, and the work efficiency at the measuring time can be improved.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003234503-A (JP)
Title: Semiconductor light-emitting device
Inventor: TANAKA MITSUHIRO
IPC: H01S5/343
Filed: 2002-02-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor light-emitting device that reduces dislocation density, and has high luminous efficiency.  <P>SOLUTION: A foundation layer 13 for composing a semiconductor light- emitting device 20 contains Al, and-consists of a nitride semiconductor having a dislocation density of 10<SP>11</SP>/cm<SP>2</SP>or less. Additionally, n- and p-type conductive layers 14 and 17 are composed of a nitride semiconductor that has a small content of Al as compared with the nitride semiconductor and has a dislocation density of 10<SP>10</SP>/cm<SP>2</SP>or less. Furthermore, a luminous layer 15 is composed of a nitride semiconductor that has a small content of Al as compared with the nitride semiconductor and has a dislocation density of 10<SP>10</SP>/cm<SP>2</SP>or less.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003232375-A (JP)
Title: Rolling bearing
Inventor: YAMADA MANABU
IPC: F16C33/78
Filed: 2002-02-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rolling bearing, in which sealing sheets can be simply attached without using a large device such as a press jig, and the roundness of the outer ring is not reduced by the attachment of the sealing sheets.  <P>SOLUTION: The rolling bearing 31 comprises an inner ring 39 fitted unrotatably relative to a rotation shaft, an outer ring 35 rotatable relative to the inner ring 39 by means of a rolling element 41, inside peripheral grooves 45 provided in the peripheral direction on both ends of the inside periphery of the outer ring 35, annular sealing sheets 51, outside peripheral grooves 59, and a polygonal wire 63. The sealing sheets 51 are placed at both ends of the inner peripheral surface of the outer ring 35 to partition in and out the space, in which the rolling element 41 is placed, with the inside periphery close to the outer peripheral surface of both ends of the inner ring 39. The grooves 59 are provided in opposition to the grooves 45 on the outside periphery surface of the sealing sheet 51. The polygonal wire 63 is bent at a plurality of angles along the peripheral direction of the sealing sheet 51 to be held in the grooves 59 and the angle parts are inserted in the grooves 45 of the outer ring 35.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003236489-A (JP)
Title: Water barrier structure
Inventor: KODAMA ISAO
IPC: B09B1/00
Filed: 2002-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To effectively prevent the damage to a water barrier sheer due to the unevenness of the ground or rock pieces using a relatively lightweight thin protective mat in a waste disposal plant.  <P>SOLUTION: A water barrier structure comprises the water barrier sheet laid on the waste disposal plant and the protective mat laid on the water barrier sheet. The protective mat is a laminate formed by holding glass cloth between two nonwoven fabrics. The water barrier structure is preferably formed from a primary water barrier sheet laid on an upper side, a secondary water barrier sheet laid on an under side, a gap forming material laid between the primary and secondary water barrier sheets and the protective mat laid under the primary water barrier sheet.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003238471-A (JP)
Title: Method for purifying methylal
Inventor: OMORI HIDEKI
IPC: C07C43/303
Filed: 2002-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To remove little amounts of peroxides and other impurities existing in methylal used as a raw material for fine chemicals such as medicines eliminating reactions caused by the peroxides and the impurities.  <P>SOLUTION: This method for purifying methylal comprises reducing the methylal containing the peroxides as the impurities and then subjecting the reduced product to an adsorption treatment.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003241842-A (JP)
Title: Dc stabilized power supply apparatus
Inventor: IMADATE MICHIHARU
IPC: G05F1/56
Filed: 2002-02-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a DC stabilized power supply apparatus capable of maintaining constant output voltages by connecting in series a plurality of active elements passing load currents between an input terminal and an output terminal of the apparatus to distribute occurrences of heat due to the load currents, and even though an input voltage to the apparatus becomes smaller.  <P>SOLUTION: The apparatus comprises a step-down means 1 for stepping down an input DC voltage V1 to a DC voltage V2 via an emitter/collector path or a source/drain path, a series type regulator 2 for stepping down the DC voltage V2 to a predetermined DC voltage V0 via the paths, and a comparison circuit 3 for determining whether the DC voltage V1 is not higher than a predetermined reference value Vref. When the DC voltage V1 is not higher than the reference value Vref, the voltage between an emitter and a collector or between a source and a drain is controlled to become a saturated voltage for making a voltage loss by the step-down means 1 become negligible amount.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003243744-A (JP)
Title: Magnetoresistance effect device and magnetic memory device
Inventor: HIGO YUTAKA
IPC: H01L43/08
Filed: 2002-02-15
Abstract: <P>PROBLEM TO BE SOLVED: To realize an excellent information recording characteristic by preventing to the utmost a change and variations from occurring in coercive force even when it is advanced to scale down a magnetoresistance effect device and integrate the same.  <P>SOLUTION: A magnetoresistance effect device which has a laminate of a free layer 12 comprising at least a ferromagnetic material, a non-magnetic layer 13 comprising a non-magnetic material, and a fixed layer 11 comprising a ferromagnetic material and fixed in a magnetization direction, with information recorded by making use of a change in the direction of the magnetization of the free layer 12. In the magnetoresistance effect device, the free layer 12 is divided into a plurality of regions 12a, 12b, and the plurality of the regions 12a, 12b are disposed around a write electrode 8 extending in the direction of the lamination of the respective layers 11 to 13 so as to surround the write electrode 8. A magnetic field reflux structure for returning a magnetic field with the respective regions 12a, 12b surrounding the write electrode 8 is formed.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003240732-A (JP)
Title: Gold-plated defect-inspecting apparatus
Inventor: OKAMOTO AKIRA
IPC: G01N21/956
Filed: 2002-02-15
Abstract: <P>PROBLEM TO BE SOLVED: To accurately detect defects in an electroless gold-plated substrate without excessively detecting a normal section.  <P>SOLUTION: A light source apparatus 2 emits light with a wavelength of 400 nm to 600 nm. A light projection angle-regulating apparatus 3 allows a target 6 to be inspected to be illuminated with light from the light source apparatus 2 from an illumination angle within 15°-25° from a direction that is vertical to the surface of the target 6 to be inspected. A defect inspection section 5 comprises a small defect inspection section 51, and a large defect inspection section 52. The small defect inspection section 51 detects such defects as flaws and non-adhesion of gold. The large defect inspection section 52 reliably detects discolored effects such as contamination and color unevenness without overdetecting a normal section by converting an imaging image to a low- resolution image.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003240066-A (JP)
Title: Running motor with free wheel mechanism
Inventor: TAMURA KIYOSHI
IPC: F16H57/02
Filed: 2002-02-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a running motor with a free wheel mechanism, which does not have a protruded part protruding from a back cover of an epicycle reduction gear, and would not cause failures due to collision by the protruded part protruding from the back cover.  <P>SOLUTION: This motor has a prime mover 1, and the epicycle reduction gear 2 connected with the prime mover 1. A connection coupling 3 drive- connecting an output shaft 11 of the prime mover 1 with an input gear 14 of the epicycle reduction gear 2 is installed to the running motor detachably from the outside. When a transmission system of a driving force with the output shaft 11 of the prime mover 1 is shut off in order to pull a construction vehicle, the connection coupling 3 drive-connecting the output shaft 11 of the prime mover 1 with the input gear 14 of the epicycle reduction gear 2 is removed from the outside, so as to shut off the transmission system of the driving force.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002325273-A (JP)
Title: Radio communication system, radio communication method, and radio station
Inventor: MIZUNO KOHEI
IPC: H04W84/18
Filed: 2002-02-20
Abstract: PROBLEM TO BE SOLVED: To provide a radio communication system capable of packet transmission which ensures a low delay, low delay fluctuations, a high throughput, and a QoS in a multi-hop radio communication. SOLUTION: A radio station has a plurality of channels, and functions of a master station which controls transmission rights for each channel and a slave station which is under a control of the master station. When the radio station functions as the master station, it transmits a signal in accordance with the control of its own station, and when it functions as the slave station, it transmits a signal under the control of the master station. Any of the radio stations communicates with all other radio stations directly or via one or more other radio stations. For each radio channel, a centrally controlled access scheme and an autonomously distributed access scheme are split in accordance with time for application, thus communication is executed. In the case of the centralized control, the master station is determined for every channel.
Patent JP-2003249469-A (JP)
Title: Polishing composition
Inventor: TAKEDA TOSHIRO
IPC: B24B37/00
Filed: 2002-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a polishing composition for CMP processing which has high selectivity of large copper polishing rate but small tantalum compound polishing rate, and is excellent in flatness of a copper film surface in CMP process of a semiconductor device with a copper film and tantalum compound.  <P>SOLUTION: The polishing composition consists of (A) a polishing material, (B) pyrazinecarboxylic acid and/or 2,3-pyrazinecarboxylic acid, (C) hydrogen peroxide and (D) water. The polishing material is a composition which consists of at least one kind of fumed silica, colloidal silica, fumed alumina and colloidal alumina. Primary particle of the polishing material is 0.01 to 0.2 μm and its concentration in the polishing composition is 5 to 30 wt.%.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003259053-A (JP)
Title: Digital print order accepting machine
Inventor: HARA YUJI
IPC: H04N1/21
Filed: 2002-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To prevent erroneous print of data already printed in a transfer medium.  <P>SOLUTION: The order accepting machine is installed in a store which accepts a digital print order. The machine accepts the digital print order by copying shot image data in a memory card carried by the orderer to a transfer medium. The transfer medium is collected and delivered between the order accepting store and a print dealer. The machine initializes the transfer medium prior to the copying of the shot image data to the transfer medium.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003221030-A (JP)
Title: Paper box for storing and displaying confectionery
Inventor: KOJIMA YOSHIAKI
IPC: B65D5/54
Filed: 2002-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a paper box for storing and displaying confectionery which is simple in structure and inexpensive to manufacture and with which anyone can simply fill articles and display while advancing.  <P>SOLUTION: A notch 11 is formed on a front face to make an article 12 in the paper box easy to bring in hand. Both pulling hooks 4 and both cut lines 5 are formed on both pasting margins 3 on a rear of both side walls 2. An easy-to-release cut line 8 is formed on a narrow part between a rear wall 7 and a bottom face wall 6 also on the rear wall 7. By pulling both pulling hooks 4 inward, the hooks 4 are peeled from the rear wall 7. Both pasting margins 3 are cut off from both side walls 2 via both cut lines 5. By cutting off the rear wall 7 from the bottom face wall 6 via the cut line 8, the rear wall is released and/or opened from a paper box body. Thus new equal paper boxes are joined and unified for display and sale.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003250545-A (JP)
Title: Rhizobium having environmental pollutant-decomposing gene and method for removing environmental pollutant using the rhizobium
Inventor: MUKAI YUKO
IPC: A01H17/00
Filed: 2002-03-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide rhizobium transduced with an environmental pollutant- decomposing gene and capable of efficiently cleaning croplands.  <P>SOLUTION: The rhizobium has the ability to decompose environmental pollutants, especially bearing deposit No. FERM P-18704. The method for removing the environmental pollutants comprises using a leguminous plant with root tubercles formed by the rhizobium.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003252484-A (JP)
Title: Residual sheet amount sensing device and printing device using it
Inventor: HAYASHI SHIGEO
IPC: G03G15/00
Filed: 2002-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a residual sheet amount sensing device using a light emitting element and light receiving element of a color printing device capable of compensating dispersion in the characteristics of the light emitting element and light receiving element and presuming the residual amount accurately.  <P>SOLUTION: A residual amount sensor 14 uses a light emitting diode D<SB>1</SB>, photo-diodes D<SB>2</SB>and D<SB>3</SB>, and the light emitted by D<SB>1</SB>is fed incident to D<SB>2</SB>and D<SB>3</SB>. The light from D<SB>1</SB>for D<SB>2</SB>decays in accordance with the number of sheets and reaches the photo-diode D<SB>2</SB>, while the light from D<SB>1</SB>for D<SB>2</SB>reaches it without decay. A circuit consisting of a resistance R<SB>1</SB>, operational amplifier AMP1, resistance R<SB>2</SB>, PNP transistor Q1, the light emitting diode D<SB>1</SB>and photo-diode D<SB>3</SB>constitutes a feedback loop, to make control so that the photo-current flowing in the photo-diode D<SB>3</SB>becomes constant, and thereby the dispersion in the characteristics of the light emitting diode or photo-diodes is compensated.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002296187-A (JP)
Title: Method and device for deciding real time composition of solid-state sample as function of depth in it
Inventor: CHAPON PATRICK
IPC: G01B11/22
Filed: 2002-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a method for real time deciding composition of a solid- state sample by a glow discharge emission spectrographic analysis which solves the defect of conventional method in which a measurement error is about 10% at best with a known sample, however, it may increase to 50% with an unknown sample. SOLUTION: A method and device is provided for real time deciding the composition of a solid-state sample as a function of depth in the sample. The method includes (a) a glow discharge (16) of atom sputtered from an exposure region (17) of a sample (13) is formed, which is analyzed with an emission spectrograph, (b) a distance between the exposure region (17) and a constant reference surface (12a) is measured and the depth of the exposure region in the sample is decided based on the distance, and (c) the decided depth of the exposure region is related to the glow discharge analysis. This is applied to substance analysis.
Patent JP-2002353977-A (JP)
Title: Wireless communication device, wireless communication system and control method for the wireless communication device
Inventor: MIYASAKA KOICHI
IPC: H04W84/10
Filed: 2002-03-08
Abstract: PROBLEM TO BE SOLVED: To provide a wireless communication system that more surely sets up resynchronization, while reducing power consumption at communication required for setting up resynchronization. SOLUTION: A RAM 43 of a control circuit 14 stores resynchronization information which is the information with respect to a resynchronization setup procedure in the case of setup of resynchronization with a wireless communication device of a communication destination when the wireless communication device goes out of synchronization with a wireless communication device of a communication destination and the control circuit 14 uses the resynchronization setup procedure corresponding to the resynchronization information stored in the RAM 43, on the occurrence of out of synchronization to conduct resynchronization setup processing.
Patent JP-2003260559-A (JP)
Title: Production method for cylinder block
Inventor: MIYAMOTO NORITAKA
IPC: C23G1/00
Filed: 2002-03-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing a cylinder block excellent in the adhesion strength of a cylinder liner and a cylinder block by cast-covering a cast iron cylinder liner with the cylinder block body.  <P>SOLUTION: As a former process for the cast-covering process to cast-cover the cast iron cylinder liner with the cylinder block body, the method for producing a cylinder block has an erosion cleaning process, by which high-pressure fluid is jetted to the outer peripheral wall surface of the cylinder liner to improve the adhesion strength of the cylinder liner and the cylinder block body, which removes a part of the base structure of the cast iron constituting the wall surface to provide many fine protrusions to the wall surface and to clean the outer peripheral wall surface. Removing a part of the base structure enables generation of fine protrusions having complicated shapes and also removal of sands and releasing agent stuck to the outer peripheral wall surface for improvement of the adhesion strength.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003264948-A (JP)
Title: Rotor structure
Inventor: NISHIDA SHIGERU
IPC: H02K1/27
Filed: 2002-03-11
Abstract: <P>PROBLEM TO BE SOLVED: To prevent fall of a segment magnet without using glass yarn by locking the segment magnet between claws made at a periphery of a rotor.  <P>SOLUTION: This rotor structure is so arranged as to fix the segment magnet to the periphery of the rotor (2), is of such constitution that it has a plurality of claws (10) made at the periphery of the rotor (2). The segment magnet is attached between the claws (10).  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003274627-A (JP)
Title: Structure of inductor type synchronous motor
Inventor: SATO NAOJI
IPC: H02K1/18
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To facilitate assembly by setting a gap large between a stator case and a magnetic pole iron plate inserted in the case, and reduce electromagnetic vibration and noise of an inductor type synchronous motor by fixing the iron plate after assembly.  <P>SOLUTION: The gap between the magnetic pole iron plate inserted in an inner periphery of the stator case and an inner peripheral surface of the stator case is made uniform. In order to fix the magnetic pole iron plate, an outer peripheral surface of the stator case in the vicinity of an insertion part of the magnetic pole iron plate is pressed partially, and a plurality of recesses 20 are formed. Partial protruding parts are formed on an inner peripheral part of the stator case by using the recesses 20. The magnetic pole iron plate is pressed by using the protruding parts and fixed to the stator case, so that electromagnetic vibration is depressed, and vibration and noise are reduced.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003268295-A (JP)
Title: Method for preventing corrosion of weather-resistant steel
Inventor: NAGAI YOSHINORI
IPC: C09D127/12
Filed: 2002-03-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for preventing corrosion of a weather-resistant steel.  <P>SOLUTION: A colored coating film having a dry film thickness of 50-90 μm which comprises (1) an inorganic resin or an organic/inorganic composite resin, (2) 0.5-30 pts.mass, based on the solids of the inorganic resin or the organic/inorganic composite resin, of a first compound selected from the group consisting of NiSO<SB>4</SB>, NiCO<SB>3</SB>, Ni<SB>3</SB>(PO<SB>4</SB>)<SB>2</SB>, Ni(NO<SB>3</SB>)<SB>2</SB>, CuO, Cu<SB>3</SB>(PO<SB>4</SB>)<SB>2</SB>, AlPO<SB>4</SB>, Al<SB>2</SB>(MoO<SB>4</SB>)<SB>3</SB>and CuCO<SB>3</SB>Cu(OH)<SB>2</SB>, (3) 0.5-25 pts.mass, based on the solids of the inorganic resin or the organic/inorganic composite resin, of a second compound selected from the group consisting of H<SB>3</SB>[PW<SB>12</SB>O<SB>40</SB>]nH<SB>2</SB>O, H<SB>4</SB>[SiW<SB>12</SB>O<SB>40</SB>]nH<SB>2</SB>O, H<SB>3</SB>[PMo<SB>12</SB>O<SB>40</SB>]nH<SB>2</SB>O, Na<SB>3</SB>[PMo<SB>12</SB>O<SB>40</SB>]nH<SB>2</SB>O, H<SB>3</SB>[PW<SB>12-x</SB>Mo<SB>x</SB>O<SB>40</SB>]nH<SB>2</SB>O (0<x<12), H<SB>4</SB>[SiMo<SB>12</SB>O<SB>40</SB>]nH<SB>2</SB>O, phosphoric acid, nitric acid, molybdic acid, tungstic acid and boric acid and (4) a coloring agent is formed on the surface of a weather- resistant steel.  <P>COPYRIGHT: (C)2003,JPO