baber/WOPTO huggingface dataset:
Patent JP-2004034878-A (JP)
Title: Pneumatic tire
Inventor: NAKAMURA HIROSHI
IPC: B60C11/03
Filed: 2002-07-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of reducing noise based on tire design standard for reducing noise by making the design standard clear.  <P>SOLUTION: This pneumatic tire is provided with a main channel 2 provided in a tire tread 1 and continuous in the peripheral direction of the tire and a horizontal channel 4 communicating the main channels 1 mutually or the main channel 1 with a tire ground contact end 3, and a land part 5 formed by the main channel 1 and the horizontal channel 4 is arranged in the peripheral direction of the tire. A ratio of occupation of the land part 5 for product of ground contact width W and a minute interval Δ of the tire tread is calculated by percentage per rectangular region 7 surrounded by a straight line L connecting both ground contact ends 3 of the tire with both ground contact ends 3 of the tread in parallel with the direction A of rotary axis of the tire continuously across the minute interval Δ in a scope of 0.5 to 2.0 mm in the peripheral direction R of the tire. When a difference between the maximum value and the minimum value of the ratio of the occupation of the land part 5 at whole periphery of the tire is α% and width of the horizontal channel 4 is b mm, (α x b) is 80 or less.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004039187-A (JP)
Title: Perpendicular magnetic recording head
Inventor: SAITO MAKOTO
IPC: G11B5/31
Filed: 2002-07-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a perpendicular magnetic recording head capable of preventing magnetic information from being deteriorated due to the remaining magnetization of a magnetic pole.  <P>SOLUTION: A conductor for allowing a recording current to flow approximately in parallel with a head surface facing a medium is formed and magnetic recording is directly performed with the magnetic force formed by the conductor without using a magnetic substance.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004043990-A (JP)
Title: Slightly water-permeable civil engineering sheet and method for producing the same
Inventor: UCHIKAWA TETSUSHIGE
IPC: D03D1/00
Filed: 2002-07-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a slightly water-permeable civil engineering sheet controlling the amount of permeated water or a gas without running off fine soil particles from opening parts of a woven fabric.  <P>SOLUTION: Thermoplastic synthetic fibers having ≥3.0 cN/dtex tensile strength, ≥10% shrinkage percentage in boiling water and ≤500 dtex total fineness are woven to provide a sheet. The resultant sheet is then heat-treated at ≥80°C temperature and shrunk.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004045497-A (JP)
Title: Method for recycling supporting body and recycled supporting body
Inventor: YOSHIZAWA HIDEO
IPC: G03G5/00
Filed: 2002-07-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for recycling a supporting body having no electric defect and a recycled supporting body obtained by the method.  <P>SOLUTION: The supporting body recycling method recycles the supporting body by peeling a coating film layer constituted by coating the surface of the supporting body with a lower layer coating film incorporating binder resin and coating the lower layer coating film with an upper layer coating film incorporating the binder resin from structural substance formed of the coating film layer and the supporting body. The method includes a means for peeling the coating film layer by immersing the structural substance in a mixed solvent consisting of a good solvent and a poor solvent to the binder resin of the lower layer coating film.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004051156-A (JP)
Title: Packaging device
Inventor: MIYAZAWA YASUAKI
IPC: B65G47/53
Filed: 2002-07-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inexpensive packaging device with a simplified structure having a carrying conveyor (11) in which works (44) and (44) to be pushed by a pusher (45) are wound by a packaging sheet (46), moved to a loading surface of a loading table (6) for relay, processed in packaged articles, and the preceding packaged article is pushed by a packaged article to be newly moved onto the loading surface by the pusher (45) and the preceding packaged article dropped from the loading surface is received thereby.  <P>SOLUTION: The carrying conveyor (11) has a pair of unit conveyors (12) and (12) which are arranged parallel to each other with an interval in the conveyor width direction and receive the packaged articles. The loading surface has an elevating/lowering function between the elevated position and the lowered position with respect to the carrying surface between the pair of unit conveyors (12). The loading surface is held at the elevated position until the final packaged article is moved to the loading surface, and the loading surface is lowered to the lowered position at the final packaging time.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004055328-A (JP)
Title: Secondary battery
Inventor: TANJO YUJI
IPC: H01M4/58
Filed: 2002-07-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a secondary battery with excellent capacity characteristics and life characteristics.  <P>SOLUTION: The battery is provided with one or a plurality of positive electrode plates 104 with LiMn<SB>2</SB>O<SB>4</SB>, a lithium-containing complex oxide with an average particle size of less than 1 μm, as an active material, one or a plurality of negative electrode plates 105 with a carbon system material storing and discharging lithium ion as an active material, a separator interposed between the positive electrode plate 104 and the negative electrode plate 105, and an electrolyte solution mediating transport of ions accompanying an electrochemical reaction of the positive electrode and the negative electrode.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004056951-A (JP)
Title: Drive circuit, drive method and imaging device of piezoelectric actuator
Inventor: MASUDA SATOSHI
IPC: G02B7/08
Filed: 2002-07-23
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the percussive noise of an impact-type piezoelectric actuator generated when starting and stopping the actuator.  <P>SOLUTION: A drive shaft 103 fixedly coupled to a piezoelectric element 101 is capable of generating stretching variable vibrations different in speeds based on a drive signal and moving a lens hold frame 122 frictionally coupled to the drive shaft 103. In starting, the drive signal that does not drive the lens hold frame 122 even if the drive signal is applied to the piezoelectric element 101 is rapidly applied, and then the drive signal is varied so that the speed of the lens hold frame 122 is increased. In stopping, after varying the drive signal so that the speed of the lens hold frame 122 is decreased, the drive signal is continued to be applied until reaching a state that the lens hold frame 122 is not driven even if the drive signal is applied to the piezoelectric element 101. Thereafter, the lens hold frame 122 is brought into a static state by a static friction force.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004058302-A (JP)
Title: Imaging apparatus, method for controlling operation mode, program, and storage medium
Inventor: HORIUCHI IZURU
IPC: H04N1/036
Filed: 2002-07-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide an imaging apparatus in which alteration of a laser driver element can be dealt with readily and the lifetime of a laser can be prolonged by reducing an extra laser emission time, and to provide a method for controlling the operation mode, a program and a recording medium.  <P>SOLUTION: In the imaging apparatus for forming an image on a sheet based on a latent image formed on a photosensitive drum 302 formed by irradiating it with laser light, a sequencer 102 transmits a mode signal for controlling the action mode of a laser driver 103 through conversion processing of a table 106. Furthermore, the sequencer 102 outputs the mode signal in correspondence with the transition state of the action mode of the laser driver 103 and controls the mode signal by rewriting the content stored on the table 106 under any one transition state of the action mode of the laser driver 103.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003168818-A (JP)
Title: Order mesa type avalanche photodiode and its fabricating method
Inventor: HIRAOKA ATSUSHI
IPC: H01L31/0304
Filed: 2002-07-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an order mesa type avalanche photodiode, and its fabricating method, in which the effect of a dark current and a noise contained in a light receiving signal is minimized.  <P>SOLUTION: In an order mesa type avalanche photodiode where a plurality of semiconductor layers 2a, 3a, 4a, 5b and 6b including a light absorbing layer 3a and a multiplier layer 5b are grown epitaxially in an order mesa part 10 formed on a semiconductor substrate 1a, and a pair of semiconductor layers 5b and 4a forming a pn junction are included in the plurality of semiconductor layers, carrier density of the semiconductor layer 4a in the pair of semiconductor layers 5b and 4a closest to the semiconductor substrate is higher than that of the semiconductor layer 5b remote from the semiconductor substrate. When light impinges on the light absorbing layer from the semiconductor substrate, a light receiving current based on the migration of electrons and holes being generated in the forward mesa part is larger in the central part than on the peripheral part of the forward mesa part in the forward mesa type avalanche photodiode.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004060304-A (JP)
Title: Washing place in bathroom, and method of manufacturing the same
Inventor: IMASAKA YOSHINOBU
IPC: E04F15/00
Filed: 2002-07-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a washing place in a bathroom, which does not take much time and labor for maintaining the surface thereof including grooves, exhibits a dry image at once, allows easy understanding of a dry state to the eye, and is good in water drying efficiency.  <P>SOLUTION: In the washing place 2 which is inclined such that water flows toward a drain port 1, the surface of the washing place 2 is dividedly formed of hydrophilic sections 3 and hydrophobic sections 4, wherein the hydrophilic sections 3 communicate with each other toward the drain port 1. In this manner the initial remaining quantity of water on the washing place surface is reduced.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004064536-A (JP)
Title: Access management server for wireless lan system and access management method
Inventor: HARA HIROTO
IPC: H04W84/18
Filed: 2002-07-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide the access management server and access management method of a wireless LAN system capable of promoting to increase a hot spot area and adhoc area opened by individuals.  <P>SOLUTION: The information of the owner of an access point 3a to open a band and an opened band is registered in a server 10, and when a connection request is issued from a user terminal 1a through the access point 3a, the use permission of the band is instructed to the access point 3a, and a use terminal 1a is made to execute communication. Also, dividend from a membership fee income is returned to the owner(member 3) according to the use frequency of the access point 3a.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004063357-A (JP)
Title: Alkaline primary battery
Inventor: TAMAKOSHI HIROMI
IPC: H01M6/08
Filed: 2002-07-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide an alkaline primary battery inhibiting the generation of a gas after the light-load discharging to prevent the generation of liquid leakage.  <P>SOLUTION: In this alkaline primary battery having a positive electrode including nickel oxyhydroxide as a positive electrode material, a negative electrode including zinc as a negative electrode active material and alkaline battery electrolyte, a ratio of a charging theoretical discharge electrical capacity of the positive electrode active material and that of the negative electrode active material is determined to be 1 : 0.5 through 1 : 0.95, preferably within a range of 1 : 0.9 through 1 : 0.95, to configurate the alkaline primary battery.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004060575-A (JP)
Title: Carburetor device of internal combustion engine
Inventor: GOTO SHINJI
IPC: F02M19/08
Filed: 2002-07-31
Abstract: <P>PROBLEM TO BE SOLVED: To increase the maximum output, improve the fuel consumption, and reduce the exhaust emission of an internal combustion engine by improving the atomization of fuel with a simple structure.  <P>SOLUTION: An annular venturi tube 20 for atomizing fuel from continuous small annular slits or annularly disposed four or more fuel jetting small holes 27 disposed on the upstream or downstream side of a throttle valve plate 41 at proper intervals from the throttle valve plate 41 are disposed for the atomization near a fastest air movement position. Thus the atomization can be increased, uniform mixture can be formed, and the output of the engine can be increased, the fuel consumption can be improved, and the exhaust emission can be lowered.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004061463-A (JP)
Title: Composition for neutron shield, shield, and shielding vessel
Inventor: ISHIHARA NOBUO
IPC: G21F3/00
Filed: 2002-07-31
Abstract: <P>PROBLEM TO BE SOLVED: To effectively shield an object from neutrons and γ rays, and to provide a composition for a neutron shield which has proper workability, as well as maintains refractoriness.  <P>SOLUTION: The composition for the neutron shield which has proper workability, as well as keeps neutron shielding capability and refractoriness, is obtained by lading the composition for the neutron shield with a powder of magnesium hydroxide whose particle diameter is 1.5 to 15 μm. Moreover, powdery carbon, contained in the composition restrains air bubbles from appearing in resin, enables more effective shielding from neutrons. In addition, by including a density increasing agent in the composition, the specific gravity is increased, which enables more effective shielding from the γ rays.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004072480-A (JP)
Title: Nat device, tcp communication method, communication program, and recording medium
Inventor: ITO YOSUKE
IPC: H04L12/46
Filed: 2002-08-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a NAT (network address translation) device which is possible to perform communication of a protocol including information of IP addresses and port numbers such as FTP (file transfer protocol) or H.323 inside of a packet.  <P>SOLUTION: The NAT device positions between a device belonging to a private address space and a device belonging to a global address space. When the NAT address establishes a TCP (transmission control protocol) session between the device belonging to the private address space and the device belonging to the global address space, it is provided with a 1st means which creates a mapping table for address translation corresponding to the private address of the device belonging to the private address space to an arbitrary global address in the global addresses held in the NAT device, a 2nd means which holds the mapping table until a constant time elapses from the time of completion of the TCP, and a 3rd means which deletes the mapping table after the predetermined time elapses.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004070136-A (JP)
Title: Optical waveguide device and traveling waveform light modulator
Inventor: MITOMI OSAMU
IPC: G02F1/03
Filed: 2002-08-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a structure that achieves characteristic impedance matching with an external connector pin in a feed through section in the electrode of an optical waveguide device, makes small structure dispersion at an electrode section, and can reduce a floating inductance and floating capacity.  <P>SOLUTION: The optical waveguide device 1A has an optical waveguide substrate 22 and a retention substrate 10. The optical waveguide substrate 22 is made of an electric optical material, and comprises a substrate body 2 having one and the other main surfaces, optical waveguides 3a, 3b formed in the body 2, and electrodes 4B, 4C provided at the side of one main surface 2a of the body 2. The retention substrate 10 is joined to the side of the other surface 2b of the body 2. The electrodes have the feed through section. A portion 7 having a low dielectric constant is provided below the other main surface 2b of the body 2 at least at the feed through section.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004065184-A (JP)
Title: Method for recovery of high-quality protein using waste food product
Inventor: MAEDA SHUICHI
IPC: B09B3/00
Filed: 2002-08-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for the recovery of high-quality protein using waste food products, enabling the treatment of the waste food products such as waste bread in high efficiency, reducing the necessary amount of city water and an enzyme and recovering a homogeneous and high-quality protein without using unnecessary raw materials except for the waste food products.  <P>SOLUTION: This recovery method comprises (A) a hydrolysis step to hydrolyze the waste food product 1, (B) a 1st centrifugal separation step to separate the hydrolyzed 1st liquid mixture 2 into the 1st solid component 3 and the 1st separated liquid 4 by centrifugal separation, (C) a water-addition and washing step to wash the separated 1st solid component with water added to the component, and (D) a 2nd centrifugal separation step to separate the washed 2nd mixed liquid 5 into the 2nd solid component 6 and the 2nd separated liquid 7 by the centrifugal separation of the washed 2nd mixed liquid. At least a part of the 1st separated liquid and the 2nd separated liquid is recycled to the hydrolysis step A.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004078296-A (JP)
Title: Picture generation device
Inventor: NAKAO HAYATO
IPC: G06T15/04
Filed: 2002-08-09
Abstract: <P>PROBLEM TO BE SOLVED: To solve a problem that processing speed drops since a two-dimensional picture of necessary resolution is to be transferred from DRAM to SRAM whenever a pixel to be processed changes when resolution of the two-dimensional picture stuck on a polygon differs by the pixel in the polygon in a picture generation device.  <P>SOLUTION: A mipmap generation part 15 divides the inputted two-dimensional picture into blocks formed of a plurality of the pixels in a vertical direction and a lateral direction, generates a mipmap in a plurality of resolution levels from resolution similar to an original picture to a plurality of mutually different resolutions smaller than said resolution at every block, and stores it in SDRAM 14. A plurality of the resolution levels for one mipmap block are collectively arranged in SDRAM 14. A polygon operation part 20 can continuously read the picture from SDRAM 14 even if the resolution level of the mipmap stuck to the polygon differs in accordance with the pixel in the polygon.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004073930-A (JP)
Title: Air cleaner
Inventor: MUGIKURA YOSHIBUMI
IPC: B03C3/40
Filed: 2002-08-12
Abstract: <P>PROBLEM TO BE SOLVED: To prevent an electric shock due to erroneous use or a discharge due to dust.  <P>SOLUTION: A sirocco fan 35 fixed to the rotary shaft of a motor 33 is arranged in a main body 1, and an air suction flow channel 16 for sucking the open air by the sirocco fan 35 and a air discharge flow channel 6 for circulating and supplying cleaned air to the outside from an air discharge port 8 through the periphery of the sirocco fan 35 are provided in the main body 1. A filter 39 is arranged to the air suction flow channel 16 and a negative ion generator 40 for negatively ionizing fine particles in the circulated and supplied air is arranged in an air discharge flow channel 6. In the air cleaner thus constituted, the negative ion generator 40 is arranged so as to be positioned behind the sirocco fan 35 in a state facing to the air discharge flow channel 6 from the air discharge port 8 of the air discharge flow channel 6.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004077187-A (JP)
Title: Measuring device and measuring fixture
Inventor: YAMAMOTO HIRONOBU
IPC: G01B5/02
Filed: 2002-08-12
Abstract: <P>PROBLEM TO BE SOLVED: To easily and accurately measure the size of an object to be measured such as a retainer used for a ball bearing that abuts on a spherical body and is positioned.  <P>SOLUTION: This measuring device 100 measures a distance between faced measured surfaces 32a and 33a. At least one of the measured surfaces 32a and 33a has the spherical body 20, the distance between the measured surfaces 32a and 33a nipping the object to be measured 10 via the spherical body 20 is measured.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004076813-A (JP)
Title: Damper device
Inventor: NORITAKE SEIICHIRO
IPC: F25D17/04
Filed: 2002-08-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a twin type damper device offering smaller construction permitting the control of three openings to be opened/closed with two baffles by improving a baffle driving mechanism.  <P>SOLUTION: The motor damper device has the three openings 31, 32, 33 formed in a plane T-shaped frame 4. Two rotating shafts 51, 52 extend in parallel from a position near a wheel train of the baffle driving mechanism to one side in the axial direction, and the baffles 11, 12 are connected to the rotating shafts 51, 52. The first baffle 11 puts the third opening 33 into a closed condition at one side when the first opening 31 is in an opened condition and the second baffle 12 puts the third opening 33 into a closed condition at the other side when the second opening 32 is in an opened condition.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004073946-A (JP)
Title: Method of purifying sludge at bottom of water
Inventor: KOMIYA HARUHIKO
IPC: C02F11/00
Filed: 2002-08-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of efficiently and stably purifying a sludge at the bottom of the water at a low cost, which is friendly to the earth.  <P>SOLUTION: The method of purifying the sludge at the bottom of the water is characterized by including a cavitation treating step of subjecting the dredged bottom sludge to cavitation treatment, a thickening/solid-liquid separating step of thickening the reformed sludge and separating the sludge to thickened mud and a separated liquid, or separating the sludge to a solid content and the separated liquid by solid-liquid separation, a solidifying step of incorporating a solidifying agent into the thickened mud/solid and kneading the mixture to solidify, and a post treatment step of back filling the solidified mud subjected to the solidification to the bottom or transferring the solidified sludge as a soil material for land filling and land reclamation.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003177516-A (JP)
Title: Chemically-amplified positive photoresist composition
Inventor: CAMERON JAMES W
IPC: G03F7/039
Filed: 2002-08-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a new chemically-amplified positive photoresist composition having so improved storage stability as to give a photospeed which is substantially constant with age.  <P>SOLUTION: The chemically-amplified positive photoresist composition comprises a resin, a photoacid generator compound and an organic acid.  <P>COPYRIGHT: (C)2003,JPO