baber/WOPTO huggingface dataset:
Patent JP-2003163420-A (JP)
Title: Nitride semiconductor element and method of manufacturing the same
Inventor: KURAMOTO MASARU
IPC: H01S5/323
Filed: 2002-11-11
Abstract: <P>PROBLEM TO BE SOLVED: To improve operation life of a nitride semiconductor light emitting element during high temperature operation while the excellent light emitting efficiency is maintained.  <P>SOLUTION: After a clad layer is formed on an under-layer consisting of a nitride gallium system material, an active layer 4 including an In<SB>x</SB>Al<SB>y</SB>Ga<SB>1-x-y</SB>N (0<x<1, 0≤y≤0.2) light emitting layer is also formed at the upper part thereof with an organic metal CVD method under the condition that a partial pressure of ammonium gas is set to 100 hPa. Accordingly, a nitride semiconductor light emitting element in which the microscopic fluctuation of In composition and band gap in the light emitting layer may be reduced can be manufactured. Moreover, the under-layer may be formed using GaN substrate and AlGaN substrate, and a sapphire substrate may also be provided under the under-layer.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004160770-A (JP)
Title: Gripping member for screw element extracting device
Inventor: TSUKADA NORIYUKI
IPC: B29C47/52
Filed: 2002-11-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a gripping member for a kneading disc of a screw element extracting device, which has a pressure receiving area for equally applying a pressure-releasing force to both right/left sides across a drive shaft and can be easily worked at a low cost.  <P>SOLUTION: The gripping member 21 for the screw element extracting device pushes out a screw drive shaft in an axial direction using a pressing means after gripping a sectional screw constituted of a plurality of screw elements including the kneading disc, fitted through the screw drive shaft, by the outer diametral part of the screw with the help of the gripping member. The gripping member 21 is formed of two members and has a screw gripping face, at least on one side, which is of a V-shaped planar shape in contact with the outer curved surfaces of 2 to 3 adjacent disc plates of the kneading disc 20 comprising a plurality of the disc plates 20a to 20e stacked in the axial direction.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004002650-A (JP)
Title: Polyoxymethylene resin composition and its molded article
Inventor: FURUKAWA MASANORI
IPC: C08L59/04
Filed: 2002-11-13
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a polyoxymethylene resin composition which has high toughness, excellent flexibility, improved compatibility and dispersibility and exhibits excellent bending fatigue resistance and surface state of a molded article while maintaining original mechanical properties of the polyoxymethylene resin.  <P>SOLUTION: The polyoxymethylene resin composition comprises (A) 100 parts wt. of a polyoxymethylene copolymer which contains 1-30 mols of ≥2C oxyalkylene units as a copolymerization component based on 100 mols of an oxymethylene unit in a polymer comprising an oxymethylene unit as a main repeating unit and (B) 1-50 parts wt. of a polyalkylene glycol.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004160359-A (JP)
Title: Photocatalytic filter medium and its manufacturing method
Inventor: KANAMORI MASAAKI
IPC: B01D53/86
Filed: 2002-11-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a photocatalytic filter medium which has excellent decomposable performance for a gaseous toxic substance and the pressure loss of which is reduced when the filter medium is used for making the gaseous toxic substance harmless.  <P>SOLUTION: This photocatalytic filter medium is constituted so that a photocatalyst having a structure of a complex of a coating film-like material with a finely particulate material is deposited on the surface of a metal-made or inorganic substance-made meshed base material. This filter medium is manufactured by adding a fine particle of anatase titanium oxide to a sol solution obtained by hydrolyzing tetraalkoxy titanium to obtain a liquid raw material, applying the obtained liquid raw material to the metal-made or inorganic substance-made meshed base material, drying the liquid raw material-applied base material and heat-treating the dried base material at 300-800°C. The finely particulate material having 30-100 nm crystal grain size is used as the fine particle of anatase titanium oxide to be added to the sol solution, which is obtained by heat-treating at 400-580°C the sol solution obtained by hydrolyzing tetraalkoxy titanium.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004166401-A (JP)
Title: Dc brushless motor and dc pump equipped therewith
Inventor: SHUKURI YOICHI
IPC: H02K11/00
Filed: 2002-11-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thin-typed DC brushless motor, which can surely detect the position of a magnetic pole of a magnet rotor and has stable motor performance, and a DC pump.  <P>SOLUTION: The DC brushless motor is provided with a stator core 1 that has salient poles 1a at tips of a plurality of teeth 2, the magnet rotor 4 that rotates at the external peripheral side of the salient pole, and a magnetic pole position sensor 7 that is arranged at a position surrounded by the winding coil 3 wound around the teeth 2 and the salient poles 1a and detects the position of the magnetic pole of the magnet rotor 4, and a drive IC 8 that controls a current flowing to the winding coil 3, and the DC brushless motor is characterized in that an FPC (flexible printed circuit) substrate 9 mounting at least the magnetic position sensor 7 and the drive IC 8, is attached to the stator core 1 at a position where the winding coil 3 is not wound, and an FPC lead 9a is drawn to the outside along a motor side-face shape in a freely bendable manner.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004161191-A (JP)
Title: Collision predictive controlling device, airbag controlling device, and airbag system
Inventor: TABATA TAKASHI
IPC: B60R21/0134
Filed: 2002-11-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a collision predictive controlling device capable of judging a kind of an obstacle (whether it is an animal including a human being or not), and controlling proper braking according to the kind and the like of the obstacle.  <P>SOLUTION: This collision predictive controlling device 20 comprises a collision prediction means for predicting collision to the obstacle based on obstacle sensing signals fetched from an obstacle sensing means 21 sensing the obstacles existing in an advancing direction of a vehicle. The collision predictive controlling device 20 is also provided with an obstacle kind judging means for judging whether the obstacle is an animal including a human being or not based on obstacle temperature data fetched from a temperature sensing means 23 sensing the temperature of the obstacle.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003218246-A (JP)
Title: Flash memory cell and method of manufacturing the same, and programming, erasing, and reading methods therein
Inventor: AHN BYUNG JIN
IPC: H01L27/115
Filed: 2002-11-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a flash memory cell and a method of manufacturing the same that enables to improve electric characteristics and to increase a degree of integration of elements while at the same time reducing the number of steps of a process, and also to provide programming, erasing, and reading methods in the flash memory cell.  <P>SOLUTION: The flash memory cell comprises a tunnel oxide film formed in a prescribed area of an SOI substrate, floating gate formed on the tunnel oxide film, dielectric film formed on the floating gate, first and second channel regions formed in parts of the SOI substrate below both edges of the floating gate, source region formed between the first and the second channel regions, first and second drain regions formed in parts of the SOI substrates on both sides of an ONO film, and word lines formed on the dielectric film. Electrons are injected into the floating gate in each of the first and the second channel regions or the electrons injected are released by controlling voltages to be applied to the source region, the word lines, and the first and the second drain regions, to make it possible to store data of two bits in a single cell.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004170342-A (JP)
Title: Recorder with fault diagnosis function for recording section
Inventor: TAKAHASHI HIROYUKI
IPC: G01D18/00
Filed: 2002-11-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a recorder by which a fault diagnosis for a recording section is automatically carried out without requiring any operator work, and which immediately informs of it to the outside when a fault occur.  <P>SOLUTION: The recorder which records waveforms corresponding to a signal to be measured on a recording paper by using a recording head or a recording pen, is provided with an abnormal motion detecting means which can individually detect various abnormal motions of the recording section relating to recording processes, and an informing means which informs the externals as the fault of the recording section when the abnormal motion is detected.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004178090-A (JP)
Title: Matching system for asset management for land offerer and the like, and method for performing matching for asset management for land offerer and the like using computer
Inventor: OZAWA TAKASHI
IPC: G06Q50/08
Filed: 2002-11-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a matching system which ensures smooth agreement on construction of a building in a fallow land or the like.  <P>SOLUTION: The matching system M has a land information registering part 4 which stores land information input by a land offerer in a land information storing part 1, a land information browsing part 7 which allows for browsing of the land information, a construction plan registering part 6 which allows a construction company to input a construction plan including the number of investments required and stores the construction plan on which the land offerer has agreed in a construction plan storing part 3, a construction plan searching part 10 which searches the agreed construction plan, an investment information inputting part 11 which allows an investor to input investment information including the number of expected investments, and a matching part 12 which outputs matching achievement information when determining that the number of investments required has reached based on the input investment information and matching data and stores the input investment information as matching data in a matching data storing part 13 when determining that the number of investments required has not reached. The land offerer registers the land information and allows for the browsing thereof, so that he/she can widely solicit for construction plans with regard to his/her own land.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004173583-A (JP)
Title: Water spray system and water spray controller
Inventor: HARADA RYOICHI
IPC: A01G25/16
Filed: 2002-11-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a water spray system easy to construct at a low cost and requiring low maintenance fee and to provide a water spray controller.  <P>SOLUTION: This water spray system 10 comprises each of water spray valves 13a, 13b and 13c as a latch type solenoid valve, a universal personal computer 11 giving an order to the water spray valves 13a, 13b and 13c, and each of water spray controllers 12a, 12b and 12c controlling the action each of the water spray valves 13a, 13b and 13c based on the order from the personal computer 11. Each of the water spray controllers 12a, 12b and 12c is LAN connected to the personal computer 11 with a LAN connecting circuit 21.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004184085-A (JP)
Title: Method of measuring concentration of available chlorine in aqueous sodium chloride solution containing available chlorine
Inventor: YOSHII MASAYUKI
IPC: G01N31/00
Filed: 2002-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To safely measure an available chlorine concentration in an aqueous sodium chloride solution containing available chlorine by a simple operation.  <P>SOLUTION: In this method for measuring the available chlorine concentration in the aqueous sodium chloride solution containing the available chlorine, 2,2'-azino-bis(3-ethyl benzothiazoline-6-sulfonic acid), or N, N-diethyl-1,4-phenylene diamine is added to the aqueous sodium chloride solution containing the available chlorine to measure the concentration of the available chlorine by a colorimetric method. The available chlorine means the chlorine existing in water of a type having oxidation power. A solution after absorbing gas containing chlorine into an aqueous sodium hydroxide solution is frequently used for the aqueous sodium chloride solution containing the available chlorine.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004185865-A (JP)
Title: Lithium ion battery, its manufacturing method, and negative electrode structure
Inventor: KOYAMA YUTAKA
IPC: H01M10/0568
Filed: 2002-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lithium ion battery provided with an ambient temperature-molten salt electrolyte, and having an improved charge-discharge characteristic (durability or the like), to provide its manufacturing method, and to provide a negative electrode structure suitable for a constituent element or the like of the lithium ion battery.  <P>SOLUTION: This lithium ion secondary battery 1 is equipped with a positive electrode 10; a negative electrode 20; and an electrolyte layer 30 using the ambient temperature-molten salt electrolyte 32. On the surface of the negative electrode 20, an interface layer 42 for preventing the ambient temperature-molten salt included in the electrolyte 32 from directly contacting the negative electrode 20 is formed. The interface layer 42 has a lithium ion-conducting property, and substantially shows an electron non-conducting property. A potential gradient is formed between the negative electrode 20 and the electrolyte layer 30 by the interface layer 42 to prevent the ambient temperature-molten salt constituting the electrolyte 32 from being directly exposed to the potential of the negative electrode 20. Thereby, reduction decomposition of the ambient temperature-molten salt is restrained to improve the charge-discharge characteristic of the battery 1.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004184774-A (JP)
Title: Fixture for display tag
Inventor: KUBOTA MIKIO
IPC: G09F3/14
Filed: 2002-12-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fixture using a coated fiber obtained by giving concealing property to a soft magnetic material fiber having a magnetism reacting function.  <P>SOLUTION: The fixture T for display tag etc., comprises: the coated fiber F, constituted by using as a core yarn material 1 the soft magnetic material fiber (f) which reacts to magnetism or composite yarn of the soft magnetic material fiber (f) and a fiber having different property from the soft magnetic material fiber (f) and forming a plastic jacket (p) around the circumference of the core yarn material 1; and a first member (h) is fixed to one end side of the coated fiber F and a second member is fixed to the other end side, respectively.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004181070-A (JP)
Title: Air purification device for incense-burner stand
Inventor: HOSODA MINORU
IPC: A61L9/16
Filed: 2002-12-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide an incense-burner stand air purifier which is easily built/cleared and can be used with conventional incense-burner stands.  <P>SOLUTION: The air purifier is characterized by having a smoke purification member which comprises an air purification unit and an inhaling fan or the like which inhale/purify the smoke coming up from an incense burner 1 during burning incense, a smoke passage which comprises a smoke collecting wall 2 which leads smoke from the incense burner 1 to the smoke purification member, a slit 3, and a smoke passage in the smoke collecting wall member 2, and a base plate member 4 which lays the smoke passage and the incense burner 1 and contains the smoke purification member inside.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004191074-A (JP)
Title: Density estimation method of tablet and inspection device
Inventor: KANEMASA KENICHI
IPC: G01N21/85
Filed: 2002-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To select at high speed a non-defective product from a defective product in a manufacturing process of a tablet by providing a density estimation method of the tablet for estimating the tablet density at high speed by using light and a tablet inspection device for performing weight inspection by using the value.  <P>SOLUTION: In this density estimation method of the tablet, a relation between lightness of a tablet appearance image or a contrast value and the tablet density is determined beforehand, and the tablet density is estimated from the lightness of the tablet appearance image or the contrast value. This invention includes the density estimation method, a weight estimation method of the tablet for estimating the tablet weight from the size of the appearance image, and this inspection device using it.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004189075-A (JP)
Title: Vehicle brake control device
Inventor: ISAJI KAZUMI
IPC: B60T7/12
Filed: 2002-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vehicle brake control device to work for automatic braking to be actuated when a colliding hazard is generated, capable of conducting a stable vehicle running control irrespective of any change in the road surface situation or the maneuvering operation made by the driver during automatic braking.  <P>SOLUTION: Judgement is passed that whether the vehicle is to be decelerated on the basis of the entered information (S106), and braking is applied when the judgement is "to decelerate", and the braking force at this time is set a certain rate smaller than the presumed maximum braking force obtained on the basis of the road surface friction coefficient (S110).  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004197822-A (JP)
Title: Backlash eliminator, gear type rotation transmission device, and camera turning device
Inventor: KAJINO TETSUO
IPC: G03B17/56
Filed: 2002-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a space for providing backlash by surely eliminating backlash even if gear precision is low.  <P>SOLUTION: A pair of gears 150, 152 construct a rotation transmission device and have a same center axis. A torsion spring 156 energizes the pair of gears 150, 152 in relatively opposite direction along a circumference direction. The pair of the gears 150, 152 function as one gear and form an internal space under an assembled condition. The torsion spring 156 is stored in the internal space. The pair of gears 150, 152 meshe with a mating meshing gear to eliminate backlash.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004196115-A (JP)
Title: Wing drive device
Inventor: HATTORI SHOICHI
IPC: B64C9/02
Filed: 2002-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wing drive device capable of being installed on an aircraft provided with a thinner wing as compared with the conventional one.  <P>SOLUTION: The wing drive device 100 is provided with a wing body 120, a steering wing 130 and a fluid device 150. The fluid device 150 has a cylinder 200 having a case 210 and a piston rod 230; and a manifold body 310 formed with a fluid passage communicated with the cylinder 200 on an outer peripheral part. The case 210 is turnably connected to the wing body 120 at one surface 122 side of the wing body 120 as compared with a center in a thickness direction shown by an arrow 120a of the wing body 120. The piston rod 230 is turnably connected to the steering wing 130 at the other surface 123 side of the wing body 120 as compared with a shaft part 131, i.e., a part connected to the wing body 120 of the steering wing 130. The manifold body 310 is fixed to the cylinder 200 at the other surface 123 side of the wing body 120 than the cylinder 200 such that a longitudinal direction is approximately perpendicular to a longitudinal direction shown by an arrow 200a of the cylinder 200.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004197706-A (JP)
Title: Waste incineration plant managing method and waste heat utilization system
Inventor: NAITO KENICHI
IPC: F02G5/02
Filed: 2002-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To increase profit by obtaining a large amount of electric power at low costs with power generation in waste incineration and selling the electric power and reduce wasted heat.  <P>SOLUTION: A waste incineration plant managing method comprises steps of: collecting combustion energy of a waste incinerator with a waste heat boiler as steam; heating and pressurizing the steam by high temperature waste heat generated by gas turbine generation; executing steam turbine generation in high efficiency by utilizing the high temperature/high pressure steam; selling waste heat of the steam turbine generation or extracted steam of the steam turbine as a heat source of community central heating and air conditioning; and selling surplus electric power of the power generated by the gas turbine generation and the steam turbine generation. Thus, the profit is obtained.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003175196-A (JP)
Title: Game machine
Inventor: HOYA MAKOTO
IPC: A63F7/02
Filed: 2002-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a game machine from appearing a specific ready-to-win pattern and from being monotonous in performing the ready-to-win game states.  <P>SOLUTION: A Pachinko game machine is provided with an inlet switch 17 and a controller 20. The inlet switch 17 is provided on a game board 2 and detects prise entrance of a game ball 6 moving in a game field 1 in accordance with a player's operation. The controller 20 draws lot according to the game ball detection by the inlet switch 17, performs the ready-to-win game state based on the lot following one of a plurality of ready-to-win patterns (normal ready-to-win, super ready-to-win and special ready-to-win), and then generates a beneficial big hit game state for the player. It then changes the appearance rate of each ready-to-win pattern on condition of time element.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004196270-A (JP)
Title: Doorway voice output system of railway vehicle
Inventor: YAMAMOTO SATOSHI
IPC: G10L13/047
Filed: 2002-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a doorway voice output system of a railway vehicle eliminating the need of the addition of a power line when the system is retrofitted to an existing railway vehicle.  <P>SOLUTION: In this doorway voice output system installed near the door of the doorway of the railway vehicle and outputting voice, when a control voltage for opening/closing the door is applied to a control line for opening/closing the door, a power voltage for the doorway voice output system is generated by the control voltage for opening/closing the door inputted thereto through the control line for operating the doorway voice output system. When the control voltage for opening/closing the door is not applied to the control line, the doorway voice output system is operated on the power voltage for the system inputted from a doorway power device thereto through the control line.  <P>COPYRIGHT: (C)2004,JPO&NCIPI