baber/WOPTO huggingface dataset:
Patent JP-2003343268-A (JP)
Title: Cooler for engine
Inventor: AOYAMA HAJIME
IPC: F01P3/02
Filed: 2002-05-24
Abstract: <P>PROBLEM TO BE SOLVED: To improve easiness of handling and durability of an engine in an engine cooler of a water-cooled engine for driving a water supply pump.   <P>SOLUTION: The engine cooler for the water-cooled engine 2 for driving the water supply pump 1 has a primary cooling chamber 4 and a secondary cooling chamber 7 for cooling the engine 2 so that the chamber 4 encloses the chamber 7. In this cooler, the water from the pump 1 is introduced into the chamber 7. The chamber 4 is disposed adjacent to the cylinder 3 of the engine 2, the chamber 7 is disposed adjacent to a combustion chamber. Thus, cooling liquid is poured in the chamber 4, and a pressure reducing valve 12 is disposed in the chamber 4.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003342660-A (JP)
Title: Sintered aluminum alloy excellent in strength and abrasion resistance
Inventor: MIYAHARA MASAHISA
IPC: C22C21/02
Filed: 2002-05-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sintered aluminum alloy excellent in strengths and abrasion resistance.   <P>SOLUTION: The sintered aluminum alloy excellent in strengths and abrasion resistance has a composition in which Si is contained in an amount of 1.5-25 mass %, Cu is contained in an amount of 2-6 mass %, Mg is contained in an amount of 0.2-1.5 mass %, at least one member selected from among Sn, Zn, and Pb is contained in a total amount of 0.03-1 mass %, and the balance substantially comprises Al and has a structure in which primary crystals Si 1 with an average grain diameter of 1-20 μm are dispersed to form a network of an average roughness of 20-300 μm.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003346076-A (JP)
Title: Image processor
Inventor: NUMAZAKI YOSHIHISA
IPC: G06K7/00
Filed: 2002-05-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image processor making detailed analysis of a subject possible without requiring its arrangement to become complex.   <P>SOLUTION: An image of a barcode 2 is formed on an image sensor 4 and a sensor output for each pixel is outputted to a computing unit 5. The computing unit 5 restores barcode information based on the sensor outputs. When a distance switch key 8 is switched to a position for long distances, the computing unit 5, using a correction value for each pixel stored in a storage device 7, corrects the sensor outputs coming from the image sensor 4. Thus, while the amount of light which the image sensor 4 receives decreases at long distances with the pixels on edges receiving less light, the barcode information can be read correctly without being affected by the decrease.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003348149-A (JP)
Title: Authentication method for ip multicast and authentication system for ip multicast employing the same
Inventor: SATO HIROAKI
IPC: H04L12/70
Filed: 2002-05-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an efficient IP multicast authentication method capable of high speed processing by solving problems such as troublesome authentication processing, storage of a key, illegitimate use, and illegitimate access in conventional systems (the IGMP (Internet Group Management Protocol), the encryption system, and the address notice system) and to provide an IP multicast authentication system employing the method.   <P>SOLUTION: This invention provides the IP multicast authentication method characterized in that an authentication server 3 authenticates a user ID and a password only for the first time, and a router 1 uses a group list table 11 provided in itself for the processing of the 2nd and succeeding authentication so as to attain high speed authentication, and this invention provides the IP multicast authentication system employing the method.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003348042-A (JP)
Title: Estimating device and compensating device for transmission line characteristic
Inventor: MIKI MASAMICHI
IPC: H04J11/00
Filed: 2002-05-29
Abstract: <P>PROBLEM TO BE SOLVED: To calculate amplitude frequency characteristics and phase frequency characteristics without using a pilot signal and a data signal having the known amplitude/phase characteristics and to enhance estimation accuracy of the characteristics.   <P>SOLUTION: The device is provided with a time frequency region converter 23 that converts a quadrature demodulation signal generated based on an analog transmission signal to be transmitted on a transmission line into a frequency axis signal having the amplitude and the phase, a data decision device 24 that estimates one amplitude value and one phase value of the frequency axis signal based on a plurality of amplitude values and a plurality of phase values of the converted frequency axis signal and a transmission line characteristic detector 25 that calculates frequency characteristic information of the transmission line on the basis of a plurality of the amplitude values, a plurality of the phase values of the converted frequency axis signal, one amplitude value and one phase value of the estimated frequency axis signal.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003342550-A (JP)
Title: Agent for imparting thixotropy, solvent for coating material and coating composition
Inventor: SUGIYAMA TORU
IPC: C09K3/00
Filed: 2002-05-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a solvent for a coating material for a plastic molded product, capable of imparting thixotropy without eroding a plastic material, and an agent for imparting the thixotropy, enabling the impartment of the thixotropy.   <P>SOLUTION: The agent for imparting the thixotropy to a coating composition contains a monoketone compound represented by general formula (I) (R<SP>1</SP>is a 1-8C alkyl group; and R<SP>2</SP>is a 9-12C branched alkyl group). The solvent for the coating material contains the agent for imparting the thixotropy.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003343604-A (JP)
Title: Start clutch control device
Inventor: ITO YOSHIO
IPC: F16D48/02
Filed: 2002-05-29
Abstract: <P>PROBLEM TO BE SOLVED: To properly control a start clutch irrespective of deterioration with age of a start clutch and dispersion of the start clutch.   <P>SOLUTION: Under a given condition, factors A and α of a transmission torque formula and a load W of a return spring are learned (S10-40) and offset ΔPclt between an indication oil pressure Pcl to a hydraulic control circuit 39 and an actual oil pressure Pclt is learned (S60-80). A target transmission torque generating oil pressure Pcltt corresponding to a target transmission torque Tcltt is computed (S160) by a transmission torque formula by which each of the factors is leaned. Based on a sum Pclta of feedback control amount Ppid based on deviation between a target transmission torque generating oil pressure Pcltt and a detected output torque Tout of an forward clutch 38, and of the offset ΔPclt, the engaging oil pressure of the forward clutch 38 is controlled (S160).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003344562-A (JP)
Title: Wristwatch
Inventor: NAKAMURA HISAO
IPC: G04B37/04
Filed: 2002-05-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wristwatch in which a module is fixed stably to a watch case of a one-piece structure and the thickness of the inside face and that of outside face of the watch case are made thin.   <P>SOLUTION: A fitting protrusion part 23b is a tapered protrusion having a spread on the side of a cover glass, and it is formed in a part of a double-end supporting beam-shaped elastic deformation part 23a formed integrally at a first resin housing 23. The part 23a is pressed by the inside face 11 of the watch case 10 so as to be deformed in a plane manner to the central direction of the watch case 10 when the module 20 is built in a housing part of the watch case 10. The part 23a deformed in this manner is returned to its original shape when the part 23b is fitted to an engagement recess 11b. Consequently, the module 20 is housed and fixed stably to the housing part of the watch case 10 of the one-piece structure in which a shell and a back lid are integrated.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004005095-A (JP)
Title: Method and system for rental reservation
Inventor: WATABE TOMOKI
IPC: G06Q50/10
Filed: 2002-05-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and a system for prioritizing the object person of a rental article, based on priority conditions which are prescribed by the purveyor of the rental article, irrespective of the time of reservation.  <P>SOLUTION: A storage and control part 103 for information on waiting for return fetches priority information and the return date and time of a person B and a person C, who have already made reservations and whose return date and time are earlier than those of a reserving person A, within the date and time when a rental reservation is possible, from a database for waiting the return. The storage and control part 103, which has fetched these pieces of information generates priority information, when the reserving person A places a reservation, based on the fetched information and information transmitted from a portable terminal A120 and sends it as information, to show the reservation-awaiting status of the article ID to a transmitting and to receiving part 101, together with the fetched information.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004005223-A (JP)
Title: Random number generator and game machine with the same applied
Inventor: TOKUYAMA SEIHAN
IPC: G06F7/58
Filed: 2002-05-31
Abstract: <P>PROBLEM TO BE SOLVED: To prevent regularity of numeric values read out when the numeric values are regularly read out from a random number storage area 11.  <P>SOLUTION: Every time a numeric value in the random number storage area 11 is updated from a maximum random number value Nmax to zero, an initial count value of a down counter 32, that is, a numeric value stored in a time constant register 33, is changed to change a random number update period which is the update period of the numeric value in the random number storage area 11.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004001052-A (JP)
Title: Hydro-formed working method for increasing thickness
Inventor: HISHIDA HIROTOSHI
IPC: B21D26/033
Filed: 2002-06-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hydro-formed working method for increasing a thickness with which the high rigidity can be obtained by increasing the thickness of a tube stock into the outside.  <P>SOLUTION: The tube stock 1 is set into the inner part of a die 2 having a gap portion 6 of about the thickness of the tube stock to the outer diameter thereof, and the thickness of the tube stock 1 can be increased into the inside by applying shaft-pushing while preventing a buckling with the inner pressure. At this time, the thickness at the center portion of the tube stock 1 can concentrically be increased while preventing the increase of the thickness into the inside by using a shaft-pushing tool 3 having a long-extended runner way 5. Then, it is desirable to adopt a method for setting the maximum value of the inner pressure to be higher than the buckling limit by the variation of this operation and giving such a sufficient shaft-pushing power to increase the thickness.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004014637-A (JP)
Title: Semiconductor device and wire bonding method
Inventor: INOUE KANAME
IPC: H01L21/60
Filed: 2002-06-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor device in which an integrated circuit under a pad is free from damages such as cracks caused by the capillary pressure utilizing conventional equipment, and to provide a wire bonding device.  <P>SOLUTION: In the semiconductor device 10A wherein at least a first semiconductor chip 20 and a second semiconductor chip 30A are adjacently mounted on a substrate 11 having a common mount plane via an adhesive 40, and the first semiconductor chip 20 and the second semiconductor chip 30A are directly connected by bonding wires W from the bonding pads 21 of the first semiconductor chip 20 to the bonding pads 31 of the second semiconductor chip 30A, the second semiconductor chip 30A is mounted on the slant via the adhesive 40 on the substrate 11 so that height positions of the bonding pads 31 of the second semiconductor chip 30A at the first semiconductor chip 20 side are higher than height positions of the bonding pads 21 of the first semiconductor chip 20.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004015365-A (JP)
Title: Multi-frequency shared antenna
Inventor: KIMURA YASUKO
IPC: H01Q5/10
Filed: 2002-06-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a multi-frequency shared antenna having a horizontal plane directional beam width of approximately 90 degrees with two pairs of metal conductor posts erected at symmetric positions in approximately ±90 degree directions, with respect to the main radiating direction of its antenna element of a multi-frequency shared antenna, having a in horizontal plane directional beam width of approximately 120 degrees.  <P>SOLUTION: The multi-frequency shared antenna comprises first metal conductors 1 erected at symmetric positions in approximately directions of ±90 degree at a fixed distance from an antenna element 3', with respect to the main radiating direction with the center located at the antenna element 3' of a multi-frequency shared antenna resonant over two or three frequency bands with a horizontal plane directional beam width of approximately 120 degrees; and second metal conductors 2 shorter than the first conductors 1, erected in between the first conductors 1 and the antenna element 3'.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004008107-A (JP)
Title: Method for simultaneously extracting and purifying nucleic acid
Inventor: KOJIMA KOICHI
IPC: C12N15/09
Filed: 2002-06-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for readily and efficiently extracting and purifying a nucleic acid from a biological material having a hard cell wall such as a bacterium of the genus Mycobacterium present in a biological sample such as excrement from which the purification is considered to be difficult.  <P>SOLUTION: The method for simultaneously extracting and purifying the nucleic acid comprises stirring the sample such as the excrement containing the biological material such as the one belonging to the Mycobacterium, with an aqueous solution containing a chelating reagent and a quaternary ammonium salt, an organic solvent and fine particles. For example, the chelating agent is selected from EDTA or a reagent resembling the EDTA. Hexadecyltrimethylammonium bromide or the like is used as the quaternary ammonium salt.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004014852-A (JP)
Title: Supporting component for piezoelectric power generating element
Inventor: KANEKO MAKOTO
IPC: H01L41/113
Filed: 2002-06-07
Abstract: <P>PROBLEM TO BE SOLVED: To improve the problem that power generation efficiency is low since electric energy obtained by piezoelectric power generation is based principally on the piezoelectric effect by the strain right on an impact and electric energy generated thereafter in the attenuating vibration is not effectively used.  <P>SOLUTION: With a fixing component for a rectangular piezoelectric element, the piezoelectric element is supported in a box-shaped case by a projection part so arranged that the case and piezoelectric element comes into contact with each other only at a node of vibration and thus vibration generated by an input given to the piezoelectric element is maintained for a longer time with a small loss, thereby taking an electric output generated by the piezoelectric element out more efficiently.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004022019-A (JP)
Title: Magnetic disk drive
Inventor: EGUCHI TAKEHIKO
IPC: G11B25/04
Filed: 2002-06-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a magnetic disk drive capable of making a cover hardly come into contact with a magnetic disk irrespective of the interval between the inner surface of the cover and the surface of the magnetic disk.  <P>SOLUTION: A casing 1 houses a magnetic disk rotationally driven by a spindle motor 5, a magnetic head, a magnetic head positioning means and the like. The casing 1 is constituted of: a base 13 one surface of which is opened along the surface of the magnetic disk 3; and a flat plate cover 15 attached to the opened surface of the base 3. The cover 15 is constituted of: a main plate 19 attached to the base 13; and a cap 23 fixed to the end of a support shaft 17 projecting from the bottom surface of the base 13 of the casing 1 toward the opening to support the spindle motor 5. The cap 23 covers a hole 21 formed on the center of a part corresponding to the magnetic disk of the main plate 19 and the peripheral part 19a of the hole 21 from the outside of the main plate 19. The the surface of the main plate 19 side of a part 23c corresponding to the peripheral edge 19a of the hole 21 of the cap 23 is stuck, with an adhesive material 25, to the outer surface of the peripheral edge 19a of the hole 21 formed in the main plate 19.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004019487-A (JP)
Title: Engine cooling structure
Inventor: TSUNODA TAKASHI
IPC: F01P11/10
Filed: 2002-06-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an engine cooling structure capable of always stably keeping cooling performance of an engine cooling system regardless of a driving state, by preventing hot air filled in an engine room from reversely flowing toward the engine cooling system during idling when only the back side of a radiator having an inter-cooler in parallel is covered with a shroud having a cooling fan.  <P>SOLUTION: In the engine cooling structure, the radiator for cooling engine cooling water and the inter-cooler for decreasing intake air temperature of an engine having a supercharger are mounted in parallel on a radiator panel disposed on the front part of a car body. The radiator panel has a first baffle plate for separating the radiator from the inter-cooler, a second baffle plate along at least one of vertical and lateral side parts of the radiator, and a third baffle plate along at least one of vertical and lateral side parts of the inter-cooler. These baffle plates are extended to join to a front grille ahead of the radiator panel or a front bumper substantially without clearance.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004016396-A (JP)
Title: Armrest structure
Inventor: KIMURA TERUYUKI
IPC: A47C7/54
Filed: 2002-06-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a structure which extremely facilitates the fixation of an armrest member provided on the side part of a chair.  <P>SOLUTION: The both sides of a seat portion 16 are provided with armrests 14 and 14 through supports 12 and 12, respectively. The armrest 14 is composed of a mount 20 supported by the support 12 and the armrest member 21 fixed to the mount. The front part 26 of the mount 20 is integrally provided with a plurality of protruded portions 35, and the front surface part 39 of the armrest member 21 is provided with a recessed portion 40 for receiving all of the protruded portions 35. The armrest member 21 is fixed to the mount 20 by fitting the protruded portions 35 to the recessed portion 40.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004019825-A (JP)
Title: Control valve
Inventor: NAKAMURA YOICHI
IPC: F16K31/126
Filed: 2002-06-18
Abstract: <P>PROBLEM TO BE SOLVED: To eradicate influence of differential pressure by solving the problem where a first valve port and a second valve port can't have the same bore diameter for assembling structural reason.  <P>SOLUTION: A valve housing 10 is provided with: a first valve port 17 having a first diameter D1; a valve seat member mounting opening 14 having a second diameter D2 larger than the outside diameter D5 of a first valve element 29; and a valve part incorporating opening 16 having a third diameter larger than the second diameter D2, formed in this order. A valve seat member 20 constituting a second valve port 21 is assembled in the valve seat member mounting opening 14 of the valve housing 10, a closing plug member 26 is fitted to the valve incorporating opening 16, and a second valve element 32 is fitted, as a separate part from a valve rod 30, to the valve rod 30 after the valve seat member is assembled.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003076509-A (JP)
Title: Print data providing service via network
Inventor: NUNOKAWA HIROICHI
IPC: G06F3/12
Filed: 2002-06-20
Abstract: PROBLEM TO BE SOLVED: To provide a technique capable of providing pieces of print data suitable for individual printers via the Internet. SOLUTION: When provision of the print data is requested from the client 200, a server 120 requests printer characteristic information that represents print characteristics of a printer 210 to a client 200. When the client 200 transmits the printer characteristic information to the server 20, the server 120 sets print data generation processing conditions. Then, the server 120 generates the print data for the printer 210 according to the set print data generation processing conditions and transmits it to the client 200. The client 200 transfers the print data supplied from the server 120 to the printer 210 as it is and makes the printer 210 execute printing.
Patent JP-2004024945-A (JP)
Title: Absorption tower structure in wet flue gas desulfurization apparatus suitable for prevention of gas blow
Inventor: ISHIZAKA HIROSHI
IPC: B01D53/77
Filed: 2002-06-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wet flue gas desulfurization apparatus which can suppress gas blow in an absorption tower wall without largely increasing the apparatus cost, which can prevent decrease in the desulfurization performance and which can reduce the running cost.  <P>SOLUTION: The apparatus is equipped with an absorption tower main body 1 having a circulation tank 6 to reserve an absorption liquid 5, an entrance duct 2 to introduce a waste gas discharged from a combustion apparatus such as a boiler into the upper side of the circulation tank, a spray absorbing part to allow the waste gas introduced from the entrance duct to flow in the vertical direction and to induce gas-liquid contact with the absorption liquid sprayed from spray nozzles 13 disposed in a plurality of stages along the gas flow direction, and an exit duct 3 to discharge the waste gas passed through the spray absorbing part. A porous diffusion plate (porous plate) 14 for the liquid flowing downward on the wall is installed on the plane perpendicular to the gas flow only near the tower wall in the spray absorbing part.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004024966-A (JP)
Title: Biodegradable polymer coagulant
Inventor: NISHIMURA KOICHI
IPC: C08F8/32
Filed: 2002-06-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a biodegradable polymer coagulant having biodegradability which makes solids suspended in water coagulate rapidly and can easily separate the solids from liquid in city wastewater treatment, factory wastewater treatment, treatment of livestock excreta or the like.  <P>SOLUTION: The coagulant contains as a main component an acrylic polymer having a repeating unit presented by image (I), wherein R<SP>1</SP>is hydrogen atom or methyl group, R<SP>2</SP>is hydrogen atom, methyl group or ethyl group, R<SP>3</SP>is a 1-10C alkyl group or amino group, R<SP>4</SP>is hydrogen atom, an alkali metal group, a 1-8C alkyl group, x is an integer of 1-5, y is an integer of 0-4, and the sum of x and y is an integer of 1-5.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004024062-A (JP)
Title: Pearl breeding method
Inventor: MATSUSHITA AKIHIRO
IPC: A01K61/00
Filed: 2002-06-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pearl breeding method capable of ensuring a pearl of high quality having an interference color (rainbow color), which has the original light pink color of the pearl, in a good yield without applying toning at all using a shell of which the inner shell layer (the so-called pearl shell) has a reddish interference color as a piece shell for cutting out a mantle slice.  <P>SOLUTION: In the pearl breeding method for implanting the slice 2 of the mantle of the piece shell 1 and pearl nucleus 3 in a mother shell to breed the pearl, the inner shell layer of the piece shell 1 and pearl nucleus 3 has the reddish interference color.  <P>COPYRIGHT: (C)2004,JPO