baber/WOPTO huggingface dataset:
Patent JP-2003114314-A (JP)
Title: Diffractive optical element and forming die for diffractive optical element
Inventor: TAKAHASHI TAKESHI
IPC: B29L11/00
Filed: 2001-10-04
Abstract: PROBLEM TO BE SOLVED: To provide a diffractive optical element having two grating directions on one plane in which desired optical performances can be obtained without changing the grating periods or duty ratios by varying the groove depth in one grating direction from the groove depth in the other grating direction, and to provide a forming die for the diffractive optical element to form the above diffractive optical element. SOLUTION: The diffractive optical element has two grating directions A, B on the upper face 4 in one plane, and is formed in such a manner that the groove depth in one grating direction A differs from the groove depth in the other grating direction B.
Patent JP-2003074248-A (JP)
Title: Hinge and hinge mechanism
Inventor: HIURA HIROAKI
IPC: E05D5/02
Filed: 2001-08-30
Abstract: PROBLEM TO BE SOLVED: To provide an easily attachable hinge eliminating troubles with attaching hinges, such as for cutting a door or a body part with a tool to secure the hinges in place or asking an owner of a router to make holes. SOLUTION: A pivot pin is provided with a leaf 2, a pin hole 3 and attaching holes 4. The cut angled part of the leaf 2 is brought into intimate contact with corners of the door A and the body B to secure the hinge 1 in place and enable screws in the attaching holes 4 to be stably fastened. An unpinned hinge is attached to either one of the door A or the body B and a pinned hinge is attached to the other. The unpinned and pinned hinges are similarly provided at several parts of the door A and the body B.
Patent JP-2003112836-A (JP)
Title: Paper feeding method and paper feeding device
Inventor: NONAKA MANABU
IPC: B65H3/06
Filed: 2001-10-10
Abstract: PROBLEM TO BE SOLVED: To maintain paper feeding performance by cleaning foreign matters such as paper powder or toner adhered to a paper feeding roller. SOLUTION: Even when no paper P is in a paper feeding cassette 4, the paper feeding roller 1 is driven at least by one rotation. A sheet-like member 6 of a base plate 5 is directly elastically brought in contact with the paper feeding roller 1 receiving the energizing force of a base plate spring 7. Accordingly foreign matters or the like adhered to the surface of the paper feeding roller 1 can be removed by the sheet-like member 6 as the paper feeding roller 1 rotates.
Patent JP-2003119529-A (JP)
Title: Hydrogen storage alloy
Inventor: NAKAHATA TAKUJI
IPC: C22C19/00
Filed: 2001-10-10
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive and lightweight hydrogen storage alloy, which has rechargeable hydrogen storage capacity V of 1.0 mass% or more, and absorbs and discharges hydrogen at 100 deg.C or lower. SOLUTION: The hydrogen storage alloy has a composition expressed in expression (1): Ca1-y My (Ni1-x Six )3 , wherein M is at least one element selected from the group consisting of Y and rare earth metals generally named as lanthanoid; x and y are figures in 0.55<=x<=0.25, and 0<=y<=0.5.
Patent JP-2003074104-A (JP)
Title: Flush type simple toilet
Inventor: OTSUKI RIYUUJIRO
IPC: C02F3/00
Filed: 2001-09-05
Abstract: PROBLEM TO BE SOLVED: To provide a flush type simple toilet, which can be installed even at a place, where there is no potable-water and sewage waterway, and in which water used for flushing, washing or the like is circulated and can be used independently. SOLUTION: Sewage discharged from a stool is aerated by sufficiently blowing in air by a compressor 28 in an aeration tank 27, and organic matter is decomposed by aerobic bacteria. Sewage is made to flow into a tank 31 in which an air-permeable vessel is filled with bio-chips from an upper section and dripped, and the decomposition of organic matter is further promoted while solid organic matter such as a fibrous substance is detained among the chips and decomposed by microbes. Sewage is led to pass through a decoloring layer for making water seemingly colorless. Activated carbon is used as a decolorant in the decoloring layer but an inorganic material such as zeolite can also be used. Treated water is stored in a water storage tank 21, and reused as flushing water.
Patent JP-2003119211-A (JP)
Title: Catalyst for olefin polymerization and process for polymerizing olefin
Inventor: SUZUKI YASUHIKO
IPC: C08F4/64
Filed: 2001-10-11
Abstract: PROBLEM TO BE SOLVED: To provide an olefin polymerization catalyst which comprises a transition metal compound and has an excellent olefin polymerization activity, and to provide a process for the polymerizing an olefin using this catalyst. SOLUTION: The olefin polymerization catalyst comprises (A1) a product from the reaction of (M) a compound which is expressed by the general formula: MXk ...(m) and comprises a transition metal selected from the group 3 through the group 11 in the periodic table, with (L1) a compound expressed by the general formula (L-1) (wherein D is a carbonyl group or a sulfonyl group; and R<1> through R<7> are each hydrogen, a halogen, a hydrocarbyl group or the like).
Patent JP-2003120226-A (JP)
Title: Valve timing control device for internal combustion engine
Inventor: WATANABE MASAHIKO
IPC: F01L1/34
Filed: 2001-10-16
Abstract: PROBLEM TO BE SOLVED: To surely support an intermediate rotor and also shorten the overall length of the whole of a device by arranging a planet mechanism and first and second electro-magnetic brakes in axial direction compactly. SOLUTION: The tip section of a link 14, which is engaged with the spiral groove 24 of the intermediate rotor 23 through a ball 19, is made to displaced along the radially directional groove 24 by turning the intermediate rotor 23, and the displacement is converted into the relative turning of a drive plate 3 and a lever shaft 10 through the link 14. In such a device, a planet gear mechanism 28 is provided, and a sun gear 29 is formed in the internal peripheral edge section of the intermediate rotor 23 integrally, and a carrier plate 31 is also connected to a lever shaft 10 integrally.  The speed of the intermediate rotor 23 is decreased by applying brake force to the rotor 23 by means of the first electro-magnetic brake 26, and the speed of the rotor 23 is increased by applying brake force to an outer gear 30 on the external peripheral side of a planetary gear 32 by means of the second electro-magnetic brake 26.
Patent JP-2002218227-A (JP)
Title: Multilevel printing method for reducing aliasing of graphics
Inventor: VAN DE VELDE KOEN
IPC: H04N1/387
Filed: 2001-10-16
Abstract: PROBLEM TO BE SOLVED: To improve visual quality. SOLUTION: This multilevel printing method using a printer comprises four steps. 1. Electronic page data are converted to a multilevel bitmap with a specified number of gradation levels (Nlev) at a specified spatial resolution by a raster image processor (RIP). The specified resolution is higher than the resolution of the printer. 2. The multilevel bitmap is converted to a lower spatial resolution. 3. An image processing technique is used to reduce the number of the gradation levels to some lower number Nlevp giving a second multilevel bitmap. 4. By using the printer capable of recording at at least Nlevp pieces of different gradation levels in a single pixel, the multilevel bitmap is printed out.
Patent JP-2003123721-A (JP)
Title: Battery pack
Inventor: YONEDA SHOGO
IPC: H01M2/12
Filed: 2001-10-18
Abstract: PROBLEM TO BE SOLVED: To provide a battery pack capable of reducing the number of components and of surely holding an exhaust tube. SOLUTION: This battery pack 10 is provided with a battery bank with plural battery modules stacked, a case 30 for housing the battery bank, and the exhaust tube for exhausting a gas discharged from the plural battery modules to the outside of the case 30. A holding part 36c for holding an outer side exhaust tube 22 out of the exhaust tube positioned outside the battery bank is formed integrally with a case side plate 36. Thereby, since the need of an exclusive component for holding the exhaust tube 22 is obviated, the number of components of the set battery 10 can be reduced and since the holding part 36c is formed integrally with the side plate 36, the holding part 36c can be prevented from coming off, so that the exhaust tube 22 can further surely be held.
Patent JP-2003118502-A (JP)
Title: Trim assembly and trim attachment
Inventor: KUBOTA SHINJI
IPC: B60J5/04
Filed: 2001-10-18
Abstract: PROBLEM TO BE SOLVED: To reduce the manhour of an assembling line and to improve assembling efficiency by directly attaching a trim attachment such as a sun visor hook to a trim and assembling them together. SOLUTION: The sun visor hook 30 (trim attachment) is provided with a pair of clamp plates 42 and 43 (clamping parts). When the sun visor hook 30 is turned to a roof trim 20 at a first angle, the body-side clamp plate 43 can be inserted into an attachment hole 20a of the roof trim 20. Then, the sun visor hook 30 is rotated and turned to the roof trim 20 at a second angle, the pair of clamp plates 42 and 43 clamp the roof trim 20.
Patent JP-2003130034-A (JP)
Title: Thrust bearing device of crank shaft
Inventor: AKEDA MASAHIRO
IPC: F16C9/02
Filed: 2001-10-24
Abstract: PROBLEM TO BE SOLVED: To prevent a lower half thrust bearing metal from dropping out from the lower half thrust bearing seat by loking a pawl to a hole for a whirl-stop when the lower half thrust bearing metal begins to fall due to a shock or the like during assembling in the reversal posture. SOLUTION: A hole 12 for whirl stop penetrating from the outer periphery of the lower half thrust bearing seat 8 into the thick wall of the lower half bearing case 5 is formed and a whirl-stop engaging part 10 is formed by the whirl-stop hole 12. A whirl-stop protrusion 11 of the lower half thrust bearing metal 9 is bent to the whirl-stop hole 12 and continuously projected to form a pawl 13. The pawl 13 is fitted in the whirl-stop hole 12. The whirl-stop hole 12 is forced to let the lower half bearing case 5 penetrate to form the whirl-stop through-hole 14. The total two whirl-stop holes 12, 12 formed on the both front and rear end faces of the lower half bearing case 5 are formed at both ends of one whirl-stop through-hole 14.
Patent JP-2002207258-A (JP)
Title: Method and apparatus for printing image with plural formats by using space optical modulator
Inventor: WONG VICTOR C
IPC: G02B27/28
Filed: 2001-10-25
Abstract: PROBLEM TO BE SOLVED: To provide a printer and method having imaging ability of a gray scale with high resolution. SOLUTION: An optical system 11 for irradiation receives a light beam from >=1 LED or the other possible light source 29, uniformaizes and polarizes this beam and directs the beam to a direction where the beam passes a polarization beam splitter element 50. The polarization beam splitter element 50 directs the light of a certain polarization state to 1>=LCD space optical modulator 52. The LCD space optical modulator 52 provides output exposure energy adequate for forming the image on a dry or wet process medium 160 by modulating the polarized light of the polarized beam. The width of the medium 160 of a prescribed type is automatically detected by a sensor which is an option so as to be made selectable from one set of adaptable output formats.  The printer simultaneously exposes the plural images onto the medium 160 and simultaneously exposes the plural segments of the medium 160 by an image surface 150.
Patent JP-2003136692-A (JP)
Title: Ink jet printer
Inventor: TANNO RYUJI
IPC: B41M5/00
Filed: 2001-10-30
Abstract: PROBLEM TO BE SOLVED: To provide an ink jet printer in which high quality printing can be sustained and printing can be performed without causing any deterioration of a recording medium even if UV radiation intensity is increased. SOLUTION: The ink jet printer A comprises rollers 1a and 1b for carrying a sheet-like recording medium R, a recording head 21 performing printing on the print face of the recording medium R being carried by the carrying rollers 1a and 1b by ejecting UV ink, and a member 4 for guiding the recording medium R being printed by means of the recording head 21 in the carrying direction D while supporting from the nonprint face side opposite to the print face. The ink jet printer A further comprises a temperature control mechanism for controlling the temperature of the recording medium R being printed by means of the recording head 21 to a target set temperature.
Patent JP-2003138987-A (JP)
Title: Bent duct
Inventor: MIYAMOTO YOSHIYUKI
IPC: F04D29/54
Filed: 2001-10-30
Abstract: PROBLEM TO BE SOLVED: To provide a bent duct that can control duct loss by wake. SOLUTION: In a bent duct 10 of a gas turbine engine, a plate-like member 16 that has an airfoil shape at cross section is placed on a part where a passage area becomes bigger toward the direction in which fluid runs. The plate-like member 16 that has an airfoil shape at cross section has a ring-like shape as a whole, is mounted within the duct through a strut that is placed between a duct inner circumferential wall and a duct outer circumferential wall and prevents deviations of the pressure distribution within the duct.
Patent JP-2003135859-A (JP)
Title: Yo-yo toy
Inventor: NIKAIDO TERUO
IPC: A63H1/30
Filed: 2001-10-31
Abstract: PROBLEM TO BE SOLVED: To provide a yo-yo toy capable of being customized by a user. SOLUTION: The yo-yo toy comprises two cylindrical cores joined together by a shaft, with one end of a string engaged with the shaft. The yo-yo toy has an outer component which is removably fitted over the cores to form the body of the toy. The body is formed by attaching the outer component and the yo-yo toy can be easily repaired or altered by changing the outer component.
Patent JP-2003138262-A (JP)
Title: Guest/host-type liquid crystalline display element and process for preparation thereof
Inventor: KATO TAKASHI
IPC: C09B1/60
Filed: 2001-10-31
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystalline display element which shows a sharp display contrast. SOLUTION: The quest/host-type crystalline display element is provided with one pair of the oppositely located substrates at least one of which is a transparent electrode, and with a host liquid crystal and the liquid crystalline layer with contains a dichroic coloring matter having a substituent group expressed by the formula: -(Het)m - (B<1> )p -(Q<1> )q -(B<2> )r }n -C<1> , the both of which are sandwiched between the above one pair of the substrates, with the above host liquid crystal being made to orient in an angle of 60 deg.-90 deg. relative to the opposite surface of the above substrates.  In the formula, Het is a sulfur atom or an oxygen atom; B<1> and B<2> are each a divalent aryl group, a heteroaryl group or a cycloaliphatic hydrocarbyl group; Q<1> is a divalent linking group; C<1> is a substituent group such as an alkyl group; m is 0 or 1; p, q and r are each 0-5; and n is 1-3, but (p+r)×n is 3-10.
Patent JP-2003142582-A (JP)
Title: Semiconductor device
Inventor: KUMAI TAKAYUKI
IPC: H01L21/8242
Filed: 2001-10-31
Abstract: PROBLEM TO BE SOLVED: To allow a fuse wire adjacent to a blown fuse wire in a fuse circuit of double density structure to avoid damage due to laser beams. SOLUTION: For instance, first fuse wires 12a, 12c are connected to latch circuits 11a, 11c. Second fuse wires 13a, 13b lower than the first fuse wires 12a, 12c are connected to latch circuits 11b, 11d. Cover patterns 20b, 20d are formed on the upper layer of the second fuse wires 13a, 13b through a TEOS film 18.
Patent JP-2002146678-A (JP)
Title: Chitosan-fixed acrylic fiber
Inventor: SAKURAI EIZO
IPC: D01F6/18
Filed: 2001-11-01
Abstract: PROBLEM TO BE SOLVED: To provide a chitosan-fixed acrylic fiber having durable excellent antibacterial and deodorant functions. SOLUTION: Chitosan is fixed on an acrylic fiber having the carboxylic groups which have been formed by hydrolyzing surface nitrile groups of fiber in an amount of 1-5% based on the total nitrile groups by forming a polyion complex with the carboxylic group. The amount of the fixation is 0.1-5 wt.% based on the fiber in terms of chitosan.
Patent JP-2003143364-A (JP)
Title: Image forming system
Inventor: NAKAMICHI MOTOI
IPC: H04N1/00
Filed: 2001-11-02
Abstract: PROBLEM TO BE SOLVED: To provide an image forming system that allows a user to save time and labor for finishing a scanner input image and an original file document by the user itself. SOLUTION: The image forming system is configured such that one or more arithmetic processing apparatuses, one or more image readers, and one or more image forming devices are respectively connected via a communication medium in a data communication available way, the image forming device can form an image according to a print instruction from the arithmetic processing apparatus and the image reader, and can form composite images of both data in response to a request from the arithmetic processing apparatus or the image reader.
Patent JP-2003108627-A (JP)
Title: Simultaneous settling method for housing contract construction result
Inventor: MIZUGUCHI TAKUHIDE
IPC: G06Q50/08
Filed: 2001-09-30
Abstract: PROBLEM TO BE SOLVED: To provide a method for simultaneously settling housing contract construction results for previously preventing any problem to be generated when a contractor bankrupts before transfer in making a housing contract construction agreement by executing the transition of proprietary at the time of paying money by results. SOLUTION: In this housing contract construction result simultaneous settlement method, result simultaneous settlement (2) is introduced to a housing contact construction agreement (1), and the transition of construction property proprietary is executed as necessary for the payment of money by results in a process ranging from the middle to completion of the construction of the housing contract construction agreement (1).
Patent JP-2003143891-A (JP)
Title: Controller for brushless motor and washing machine equipped therewith
Inventor: TOGASHI HITOO
IPC: H02P25/022
Filed: 2001-11-06
Abstract: PROBLEM TO BE SOLVED: To provide a motor controller which achieve higher motor efficiency in a brushless motor than ever. SOLUTION: In the controller for brushless motor, a PWM control circuit 1 comprises: a number-of-revolutions detection circuit 14 which detects the number of revolutions ω of a motor; a position computation circuit 15 which derives a rotational angle θ of the motor; a voltage command control circuit 12 which generates a voltage command signal V* based on a sinusoidal function expressing voltage command signals taking the rotational angle θof the motor, phase advance angle ψ, and voltage amplitude command Va as variables; and a PWM signal generation circuit 13 which generates a PWM signal base on the voltage command signal V*.  The voltage command control circuit 12 is provided with a phase advance angle derivation circuit 12a which derives a voltage phase advance angle ψ from the number of revolutions ω of the motor and variation ΔVa in the voltage amplitude command Va.
Patent JP-2003143819-A (JP)
Title: Winding method for stator core
Inventor: MIYAWAKI NOBUO
IPC: H02K29/00
Filed: 2001-11-06
Abstract: PROBLEM TO BE SOLVED: To improve a efficiency of a motor by filling a space for needle insertion. SOLUTION: Needles 2a to 2f of a winding apparatus are inserted into all slots on an inner rotor type stator core 1 with three-phase 6-slots and are respectively reciprocated several times in the axial, circumferential, and radial directions of the stator core 1 to simultaneously conduct winding around all the slots. After windings U1a, V1a, W1a, U2a, V2a, and W2a for a first layer are formed, windings U1b, V1b, W1b, U2b, V2b, and W2b for a second layer are formed so as to fill spaces 3 between the respective windings while the respective needles 2a to 2f are being retracted from the most protruding condition.
Patent JP-2003148403-A (JP)
Title: Hydraulic device and switching valve for hydraulic motor
Inventor: TAKANASHI TATSUO
IPC: F03C2/00
Filed: 2001-11-07
Abstract: PROBLEM TO BE SOLVED: To provide a simple operated hydraulic device. SOLUTION: This hydraulic device is provided with connection ports 13 to 16 respectively connected to pilot ports of a first and second hydraulic motors 2, 3, four systems in total. The device is provided with two connection ports 11, 12 connected to a hydraulic pump P and tank T. The device is further provided with one rotor 5 for switching passages between the connecting ports.  The rotor 5 is switched between a first operating form of operating the first and second hydraulic motors 2, 3 with large capacity, a second operating form of operating the first hydraulic motor 2 with a large capacity and operating the second hydraulic motor 3 with a small capacity, a third operating form of operating the first hydraulic motor 2 with a small capacity and the second hydraulic motor 3 with a large capacity, and a fourth operating form of operating the first and second hydraulic motors 2, 3 with a small capacity.
Patent JP-2003142397-A (JP)
Title: Semiconductor device manufacturing method and system
Inventor: YOSHITAKE YASUHIRO
IPC: G01Q60/00
Filed: 2001-11-08
Abstract: PROBLEM TO BE SOLVED: To individually and simply optimize exposure conditions, such as the exposure amount and focusing in the photolithography performed for the semiconductor manufacturing process. SOLUTION: Deflection of optimum values in the exposure amount and focusing of a test pattern and a product circuit pattern is predicted (step 901) from the size of pattern, illumination conditions and wave-front aberration of the exposure lens, a signal waveform in the scatterometry of the test pattern is set, corresponding to deviation from the optimum values in the exposure amount and focusing for building a library (step 902), deviations from the optimum values in the exposure amount and focusing of the test pattern is obtained (step 903, step 904), by collating the signal waveform obtained through the measurement of the test pattern, after the actual exposing/development process in the scatterometry with the library, deviations of the optimum values of the product circuit pattern are obtained (step 905) from the deviations of the test pattern in such deflection,  and this deviation is fed back to the subsequent exposure work (step 906).
Patent JP-2003153440-A (JP)
Title: Operation management system for power supply unit
Inventor: MAEDA KAZUSHIGE
IPC: H02J3/00
Filed: 2001-11-08
Abstract: PROBLEM TO BE SOLVED: To provide an operation management system for power supply unit which permits a power supply unit to be operated in a proper operating pattern, without causing significant increase in structural complexity of the power supply unit and without need for troublesome work such that a worker has to go to an installation position of the power supply unit. SOLUTION: The plurality of power supply units A where power loads for supplying power are different from each other and a management center B which controls the operation of the plurality of power supply units A are connected through a communication means INT of information. Real operation information of each of the plurality of power supply units A are transmitted to the management center B by means of the communication means INT. The management center B analyzes a proper operating pattern for each of the plurality of power supply units, and outputs the proper operating pattern based on the real operation information and the proper condition-to-be set for determining the operating pattern.