baber/WOPTO huggingface dataset:
Patent JP-2003304694-A (JP)
Title: Data storage device, and apparatus and method for controlling rotation
Inventor: KISAKA MASASHI
IPC: H02P29/00
Filed: 2002-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To realize a rotation control strong with respect to the influence of a disturbance by raising a gain of a controller, while absorbing an unevenness of a magnet position in a motor.  <P>SOLUTION: An apparatus for controlling a rotation comprises a spindle motor 3 for rotatably driving a predetermined object to be driven; a controller 121 for controlling a rotary drive of the motor 3, by comparing a pulse time in the rotary drive of the motor 3 with a predetermined target time; and a peak filter 122 for dynamically changing the target time so as to suppress the rotary frequency included in the waveform of the drive current of the motor 3 and correcting the control by the controller 121.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003306307-A (JP)
Title: Fuel-reforming apparatus
Inventor: TANAKA SHIRO
IPC: C01B3/32
Filed: 2002-04-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel-reforming apparatus capable of producing a homogeneous premixed gas, although it is compact.  <P>SOLUTION: High temperature air is introduced into a premixing chamber 12 for premixing a raw fuel with air through an orifice 14 from an air- introducing path 13. The air is sufficiently mixed with the raw fuel injected from a fuel injection part 16. The distribution of concentration of the mixed gas is homogenized by a flow-straightening filter 17 disposed at the upstream side of a reforming catalyst 11, and a stable reformed gas rich in hydrogen can be produced by the reforming catalyst 11.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003304234-A (JP)
Title: Communication method and device for web service utilization and cooperation method for web service utilization
Inventor: TERADA KENJI
IPC: G06F21/31
Filed: 2002-04-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide communication method and device for WEB service utilization and a cooperation method for the WEB service utilization dispensing with complicated processing operation in each WEB service (including an application) to be used when utilizing a WEB system and dispensing with unnecessary registration of user information to a third person.  <P>SOLUTION: A characteristic constitution means is adopted by providing a communication device 1 to be used for a user utilizing the WEB service with: a WEB service providing device 4 for providing service; a tamper-resisting storage device 11 for storing a user's secret key to be required for encrypting or decrypting processing to be performed in transmitting information to a WEB service providing device 4 and a certification agent; and a CPU 13 for encrypting or decrypting information by the user's secret key stored in the device 11.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003302811-A (JP)
Title: Image forming apparatus and process cartridge
Inventor: YOSHIDA MASAHIRO
IPC: G03G21/00
Filed: 2002-04-12
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a toner horizontal-scattering phenomenon without making an apparatus large in size in an image forming apparatus wherein a contact electrifying means using conductive particles as an electrifying means for uniformly electrifying an image carrier with a prescribed polarity/potential is adopted, and the conductive particles are supplied from a developing means to an electrifying nip part being a contact part between the electrifying member and the image carrier.  <P>SOLUTION: The apparatus is provided with a conductive particle guiding member 8 of guiding and sticking some conductive particles (m) in an electrifying member area corresponding to the developing width B of a developing means to the electrifying member area outside the end part of the electrifying member area corresponding to the developing width B in contact with the electrifying member 2, thereby making the electrification width A' of the electrifying member 2 wider than the developing width B.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003017785-A (JP)
Title: Formation method of two-layer lift-off mask and manufacturing method of huge magnetroresistive effect head
Inventor: SHO SAIKAN
IPC: G11B5/31
Filed: 2002-04-16
Abstract: PROBLEM TO BE SOLVED: To provide a formation method of a two-layer lift-off mask that can improve the quality of a GMR sensor, simplify a manufacturing process, and achieve high efficiency. SOLUTION: A pattern is transferred to a photosensitive layer 21 and a photoresist layer 31 for development, thus forming a two-layer lift-off mask 50 having a suspension bridge shape. When an ion milling method is used for forming GMR sensor section with the two-layer lift-off mask 50 as a mask in a later process, and a conductive lead layer is formed on a substrate 11 for forming an adjacent junction with the two-layer lift-off mask 50 as the mask, the conductive lead layer is formed around the adjacent junction excessively for preventing the generation of fencing, thus preventing the damage of the two-layer lift-off mask 50 due to the weight of residue made of a material of the conductive lead layer formed on the two-layer lift-off mask 50.
Patent JP-2003267807-A (JP)
Title: Water treating agent in pool, cooling tower and water circulation system
Inventor: SOMEYA NORIHISA
IPC: F28F19/01
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a new water treating agent having persistency and long- term property and not having bad influence on environment in order to solve problems in which removal of microorganisms was made difficult in a water treating agent in conventional pool, cooling tower and water circulation systems.  <P>SOLUTION: A guanidine-based organic compound (polyhexamethylene phosphoric acid guanidine salt) used for sterilization of pools and preservation of drinking water is utilized as a water treating agent composition. The water treating agent composition persistently prevent proliferation and occurrence of bacteria, fungi, algae, plankton, shellfishes, etc., for long term without having bad influence on water environment of fishes, etc.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003307602-A (JP)
Title: Planar lens and method for manufacturing planar lens array
Inventor: HASHIMOTO TAKAHIRO
IPC: G02B3/00
Filed: 2002-04-18
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a method for manufacturing a microlens or a microlens array comprising only glass which can be formed in a short period of time.  <P>SOLUTION: A glass substrate is irradiated with condensed laser light to form a spheric or almost spheric projection on the surface of the glass substrate. Further, it is more preferable to use such a method that a glass substrate is laminated with a planar member having a specified spheric or aspheric recess, condensed laser light is made to transmit through the planar member to irradiate the glass substrate surface below the recess, and a spheric or aspheric projection is formed in the recess following up the profile.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003310972-A (JP)
Title: Pachinko game machine
Inventor: TAKAGI MASAHIRO
IPC: A63F7/02
Filed: 2002-04-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pachinko game machine, enabling prevention of fraudulent opening of an opening and closing piece disposed in a big prize-winning port and previously inhibiting the fraudulent opening act.  <P>SOLUTION: Opening inhibition members 27a, 27b having inhibitory projections 28, 28 on the back are disposed on the side of a variable prize winning device 22, wherein the opening inhibition members 27a, 27b are controlled to be converted to the stationary position where the inhibitory projections 28, 28 inhibit tilting of the opening and closing piece 24 and the retreat position enabling tilting of the opening and closing piece 24 with the performance of the special game operation through rotary driving means 29a, 29b. Thus, the fraudulent opening of the opening and closing piece 24 can be prevented without complicating the inside of the variable prize winning device 22. When the opening inhibition members 27a, 27b are disposed outside the variable prize winning device 22, and the opening inhibition members 27a, 27b are placed in the stationary positions, it can be confirmed that the opening and closing piece 24 is not opened, so the fraudulent opening act of the opening and closing piece 24 can be previously inhibited.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003313370-A (JP)
Title: Additive for rubber
Inventor: OKUBO MAKOTO
IPC: C08L21/00
Filed: 2002-04-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an additive for rubber which hardly worsens the hue or clarity inherent in rubber, enables rubber to be colored as desired, gives electroconductivity to rubber, and hardly makes a rubber surface tacky; and a rubber composition prepared by using the same.  <P>SOLUTION: This additive for rubber contains a surfactant and a strong acid salt. The rubber composition contains the additive and a rubber.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003057316-A (JP)
Title: Method of fault isolation of digital electronic unit
Inventor: PETRUCCELLI GREGORY D
IPC: G01R31/3181
Filed: 2002-04-24
Abstract: PROBLEM TO BE SOLVED: To reduce a cost, and to enhance the probability of fault detection. SOLUTION: This fault isolation method includes a step for attaching a probe to at least one pin out of respective sub-circuits 32-38 in a digital electronic unit 10. A predetermined stimulation 20 is transmitted to the electronic device, and changes from 0 to 1 in the respective probes are counted to obtain the first summation. Changes from 1 to 0 in the respective probes are counted to obtain the second summation. The first summation and the second summation are compared with a predetermined reference to determine a sub-set of the sub-circuit not conformed to the predetermined reference. The sub-circuit is confirmed based on the sub-set not conformed to the predetermined reference and nearest to the predetermined stimulation 20 in signal progress.
Patent JP-2002327811-A (JP)
Title: Power transmitting chain, tensioner system and rotary actiuating hydraulic tensioner
Inventor: WIGSTEN MARK MACDONALD
IPC: F16H7/08
Filed: 2002-04-25
Abstract: PROBLEM TO BE SOLVED: To miniaturize the whole of a device, and effectively damp the vibration of a chain. SOLUTION: This chain and tensioner system has a rotary drive type tensioner 18 and a first and a second tensioner arms 20 and 22 connected to the tensioner 18. The rotary drive type tensioner 18 has an annular main body 56 and a rotary main body 32 provided freely to turn around a pivotal support point at a central part inside the annular main body 56 and connected to an external pressurized fluid source through a flow passage 92. Each tensioner arm 20 and 22 is connected to the rotary main body 32 through fixing pins 36 and 38. A coil spring 98 for rotating the rotary main body 32 and a hydraulic chamber 88 are provided in the rotary drive type tensioner 18.
Patent JP-2003317239-A (JP)
Title: Device and method for discriminating optical recording medium
Inventor: TAKASUGI YASUSHI
IPC: G11B7/004
Filed: 2002-04-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a device for discriminating an optical recording medium, by which the exact discrimination is attained even when the undulation exists on the optical recording medium objective for discrimination.  <P>SOLUTION: This discriminating device of the optical recording medium, in which the kind of the optical recording medium furnished with at least 1st, 2nd dielectric layers and a conductive layer arranged between the 1st dielectric layer and the 2nd dielectric layer is discriminated, includes a feature that electrodes 11, 12 arranged on an area within 180° looking from a center point of the position where the optical recording medium is placed and a means for discriminating the kind of the optical recording medium by impressing a signal for detection on the electrodes 11, 12. Thus, the exact discrimination is attained even when the undulation exists on the optical recording medium objective for discrimination. Therefore, even when a plurality of kinds of optical recording media belonging to the same system are discriminated, the proper discrimination is attained for them.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003318530-A (JP)
Title: Reflow-soldering equipment
Inventor: IKEMI KAZUHISA
IPC: B23K31/02
Filed: 2002-04-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide reflow-soldering equipment that can simultaneously reflow- solder surface-mounted parts and insertion-mounted parts and, in addition, can prevent deterioration of the characteristics and reliability of the parts.  <P>SOLUTION: This reflow-soldering equipment reflow-solders insertion-mounted parts on a substrate 6, by disposing the main body of at least one of the insertion-mounted parts having a heat resisting temperature lower than the soldering temperature to the bottom side of the substrate 6. The soldering equipment is provided with lower-space temperature control means, such as a damper 41 and a fan 42, etc., under the path line of the substrate 6 in a main heating zone, and a heat shielding plate 5 at the boundary between a preheating zone and the main heating zone. In addition, the overheating of surface-mounted parts is prevented by providing a means which adjusts the ratio of infrared heating by means of an upper heating means or eliminating an upper heater 32 from a temperature elevating zone.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003080473-A (JP)
Title: Control device for handheld tool
Inventor: LOTHE ARLAN DUANE
IPC: B26B1/10
Filed: 2002-04-26
Abstract: PROBLEM TO BE SOLVED: To provide a control device with improved an operability of a handheld tool. SOLUTION: A control knob 12 is arranged along a back edge 312 of a blade 310 of the handheld tool 10 such as a knife spaced from a handle 200 to form a finger cap 20.
Patent JP-2003311773-A (JP)
Title: Optical part and its molding method
Inventor: SHIBUYA ATSUSHI
IPC: B29C45/00
Filed: 2002-04-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a highly accurate optical part, which is obtained by injection molding and has at least one effective curved surface.  <P>SOLUTION: In the optical part, which is obtained by injection molding and has at least one effective curved surface, the part is mainly made of a cyclic olefin based copolymer and does not have a non-transfer region having a size larger than 10 μm on the effective curved surface.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002345965-A (JP)
Title: Humidification apparatus
Inventor: GRADON LEWIS GEORGE
IPC: A61M16/10
Filed: 2002-05-01
Abstract: PROBLEM TO BE SOLVED: To guarantee a suitable operation of a humidification apparatus. SOLUTION: The humidification apparatus 10 is provided with a humidification chamber means 4 adapted to hold a fixed quantity of water 8 while having an inlet 3 and an outlet 12, a heating means 9 provided adjacently to the humidification chamber means 4 for heating water 8 inside the humidification chamber means 4 and gases transportation pathway means 14 connected to the outlet 12 of the humidification chamber means 4 to convey gases flow to a patient requiring gases. When the flow of gases stream becomes equal to or less than a predetermined flow, the humidification apparatus 10 is operated in a safe operating mode. Besides, the humidifier 10 raises an alarm corresponding to the humidity of the gas stream or heat conductivity of the heating means 9.
Patent JP-2003035833-A (JP)
Title: Quartz type optical waveguide circuit and method for manufacturing the same
Inventor: ITOU MIKITAKA
IPC: G02B6/13
Filed: 2002-05-13
Abstract: PROBLEM TO BE SOLVED: To shorten the manufacturing time for a quartz type optical waveguide circuit while sufficiently keeping the spot size conversion function. SOLUTION: In the quartz type optical waveguide circuit which is provided with a lower clad layer 12 mounted on a substrate 11, a core 13a for guiding light formed from a core layer 13 mounted on the lower clad layer 12 and an upper clad layer 14 which covers the lower clad layer 12 and the core 13a, a core 13b of input/output part of which the thickness is formed larger than that D of the inner core and a tapered part which connects the core 13b of the input/output part and the inner core 13a, a core layer of the input/output part is formed at the side face of the core 13b of the input/output part and the thickness T of the layer of the input/output part which comes into contact with the side face of the core 13b of the input/output part of the core layer of the input/output part is smaller than the thickness H of the core 13b of the input/output part.
Patent JP-2003333340-A (JP)
Title: Expanding method and data processing apparatus
Inventor: MORI NORIYASU
IPC: H04N19/91
Filed: 2002-05-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a data processing apparatus capable of performing a processing to enhance the quality of outputted data at high speed in the case of expanding and outputting data including characters and subjected to JPEG compression.  <P>SOLUTION: In the case of expanding data compressed by the JPEG system and outputting the expanded data, the data processing apparatus stores a DC coefficient ϕ3 of an MCU (Minimum Coding Unit) and discriminates data being an object of edge processing in the MCU by comparing a DC coefficient ϕ3 of an adjacent MCU with that of MCU above. Since the data processing apparatus can remarkably reduce a processing time required to detect parts of character edges in comparison with the discrimination of the edge parts in the unit of dots, the data processing apparatus performs the processing of expanding the data subjected to JPEG compression, enhancing the quality and outputting the result at high speed.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003329081-A (JP)
Title: Damping device
Inventor: MATSUMOTO TATSUJI
IPC: F16F15/04
Filed: 2002-05-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a damping device which has a sure vibration absorbing function and a sure restoring function, and can maintain the durability for a long period of time.  <P>SOLUTION: The damping device 1 is composed of a cylindrical elastic body 2 made of rubber, a hard spherical body 3 retained inside the cylindrical elastic body 2 so as to inscribe the inner peripheral surface of the cylindrical elastic body 2, and upper and lower hard plates 4, 5 fixed to the top and bottom end faces of the cylindrical elastic body 2, respectively. In this damping device 1, because the hard spherical body 3 is arranged so as to inscribe the inner peripheral surface of the cylindrical elastic body 2, positioning of the hard spherical body 3 during installation is unnecessary and the hard spherical body 3 usually is surely located at the central position of the cylindrical elastic body 2. Accordingly, the hard spherical body 3 can support a load surely at the center of the cylindrical elastic body 2. In order to secure the performance for a long period of time, it is preferable that a rate of change of the modulus of shearing elasticity G and/or the loss factor tanδ is not larger than 30% in the case of the accelerated aging test under the following conditions of frequency, 2.0 Hz; shear strain, 25%; temperature, 100°C; length of time, 15 days.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003328673-A (JP)
Title: Propulsion body
Inventor: WAKAI MUNEYA
IPC: E21D9/06
Filed: 2002-05-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a propulsion body hardly having influence by variation of earth pressure, stabilizing the propulsion.  <P>SOLUTION: Planetary gear support members 26, 27, 28 of a planetary gear mechanisms A, B, C are fixed in the rotary motor output shaft 4 connected to a rotary motor body 2. The planetary gears 30, 32, 35 are disposed on the circumference in the planetary gear support members 26, 27, 28. A sun gear member 25 is connected to the rear shell-shaped parts 21 and internal gears 22a, 22b are formed in the intermediate shell-shaped parts 22. Sun gear members 33, 34 are connected to an intermediate shell-shaped parts 23. An internal gear 24a is formed in the forward shell-shaped parts 24. The power of the rotary motor body 2 is input in the planetary gear support members 26, 27, 28, adjacent shell-shaped parts 21, 22, 23, 24 having mutually reverse spiral screw grooves rotate in the mutually reverse directions to generate a propulsive force.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002364472-A (JP)
Title: Intake device for internal combustion engine
Inventor: OSUGA MINORU
IPC: F02M35/104
Filed: 2002-05-22
Abstract: PROBLEM TO BE SOLVED: To simplify a structure of an intake passage in a device for generating a turning flow in an combustion chamber of an engine. SOLUTION: The air passing through a throttle valve 1 diverges at a collector part 3 and is led to an independent intake pipe 4. Then, the air passes an intake valve 5 and is sucked into a cylinder 6. An auxiliary pipe 7 is provided in the independent intake pipe 4, and two intake passages 8 are provided for bypassing it. The intake passage 8 is formed to be in a straight passage between the collector part 3 and a nozzle part of a fuel injection valve 10. The auxiliary valve 7 is opened usually. When performing lean combustion or when it is required to improve combustion such as at idling or at a low temperature, the auxiliary valve 7 is closed and the intake air is supplied to the cylinder 6 from the intake passage 8. Thus, the structure of the bypass intake passage for generating the turning flow in the combustion chamber can be simplified.
Patent JP-2003339482-A (JP)
Title: Bedsore preventing mattress
Inventor: NISHIMURA AKIRA
IPC: A61G7/05
Filed: 2002-05-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a bedsore preventing mattress capable of contributing to a countermeasure to bedsore particularly at home.   <P>SOLUTION: This bedsore preventing mattress 1 is used on a mattress 2 used in a Japanese room. This mattress 1 is held on the mattress 2 by a non-slip member 5 provided on the revere side so as not to be shifted. In this mattress 1, a low-resilient soft material 3 of 30-70 mm thick having an apparent density of 10-100 kg/m<SP>3</SP>and a compression hardness of 10-400 N is used as stuffing. The soft material 3 can be covered with a surface cloth 4 that is a stretchable waterproof sheet material without looseness to prevent the intrusion of external moisture or dirt to the soft material 3.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003343160-A (JP)
Title: Doorframe-shaped member
Inventor: TAKAHASHI TOMIO
IPC: E06B3/72
Filed: 2002-05-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a doorframe-shaped member capable of easily manufacturing a product having excellent finishing quality by a simple process without particularly requiring a high working accuracy and a complicated assembly process as the doorframe-shaped member manufactured by using a decorative- sheet stuck decorative laminated sheet and used for various panels such as a door.   <P>SOLUTION: In the doorframe-shaped member, the decorative-sheet stuck decorative laminated sheet 3, in which decorative sheets 2 are stuck continuously extensively over both side faces 12 from the surface 11 of a substrate 1, more preferably both side-face neighboring sections 13 of a rear, is folded through cutting grooves 15 formed to the rear, and core materials 4 are fitted and fixed in an internal space as required.  <P>COPYRIGHT: (C)2004,JPO