baber/WOPTO huggingface dataset:
Patent JP-2001242355-A (JP)
Title: Optical module and method for manufacturing the same
Inventor: HISAYOSHI YUTAKA
IPC: H01L33/00
Filed: 2000-03-01
Abstract: PROBLEM TO BE SOLVED: To inexpensively provide high-efficiency optical coupling by simplifying component members and further simplifying optical coupling characteristics. SOLUTION: A polarization plane maintaining optical fiber 11 and an optical semiconductor element 12 for executing light emission or light reception to be optically coupled to one end of the polarization plane maintaining optical fiber 11 are housed via an adhesive material 16 allowing the transmission of light into a package 32 in the state of fixing the optical coupling portion relation between both.
Patent JP-2001249437-A (JP)
Title: Heat developable color photosensitive material
Inventor: UEHARA YOSHIKI
IPC: G03C8/52
Filed: 2000-03-02
Abstract: PROBLEM TO BE SOLVED: To provide an excellent heat developable color photosensitive material less liable to a fluctuation of fog due to a fluctuation of development temperature in heat development. SOLUTION: In the heat developable color photosensitive material with at least a photosensitive silver halide emulsion, a binder and a dye donative compound on support at least one compound of formula I (where R1 is Cl or alkoxy; R2 is acylamino or alkoxycarbonyl; R11 is H or alkyl; and R12 and R13 are each H, alkyl or alkoxy and may be the same or different) is contained, e.g. in a protective layer.
Patent JP-2001247732-A (JP)
Title: Curable composition
Inventor: MANABE TAKAO
IPC: C08L83/05
Filed: 2000-03-07
Abstract: PROBLEM TO BE SOLVED: To solve such problems that the control of the electroconductivity is extremely difficult in a region of higher volume resistivity than a threshold value (about 105 to 107 Ωcm) though electroconductivity imparting effects can be obtained by adding carbon black to an addition type curable composition comprising an alkenyl group-containing isobutylene-based polymer, a hydrosilyl group-containing compound and a hydrosilylating catalyst. SOLUTION: This curable composition is obtained by including (A) an isobutylene-based polymer having 2,000-30,000 molecular weight and at least one alkenyl group capable of carrying out a hydrosilylating reaction at the molecular terminal, (B) a compound having at least two hydrosilyl groups in the molecule, (C) a hydrosilyating catalyst, (D) carbon black and (E) at least one kind of compound selected from the group consisting of an organotitanium compound, an organoaluminum compound and a compound having a hydrolyzable silicon substituent group as essential components.
Patent JP-2001254087-A (JP)
Title: Method of producing fuel gas
Inventor: YAMAZAKI KENICHI
IPC: B01J23/755
Filed: 2000-03-09
Abstract: PROBLEM TO BE SOLVED: To provide a novel technique for recovering fuel gas, electric power, heat energy or the like in a useful form to reutilize them by treating an organic substance-containing waste water with a high gasification efficiency (a technique for remaking the organic substance-containing waste water resources). SOLUTION: A method of simultaneously effecting waste water treatment and fuel gas production has (1) a step of subjecting an organic substance- containing waste water to heating/pressurizing treatment in the presence of a catalyst in a reactor while maintaining the waste water at a temperature of>=100 deg.C and, at the same time, under a pressure which retains at least part of the waste water in a liquid phase to effect wet methanation reaction treatment, (2) a step of carrying out gas-liquid separation of a gas-liquid mixed phase formed in step (1) to collect a gas having methane as the major component, and (3) a step of circulating at least part of the high temperature liquid phase to be obtained in step (2) to mix with the organic substance-containing waste water of step (1).
Patent JP-2001252669-A (JP)
Title: Sediment cleaning device and its cleaning method
Inventor: SASAKI HARUTOSHI
IPC: C25B1/04
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a sediment cleaning device capable of supplying oxygen to a water bottom without causing secondary pollution. SOLUTION: An anode 5 is laid at the water bottoms 9 and 10, a cathode 7 is opposed to the anode 5, and the anode 5 and cathode 7 are connected to a DC power source 3. The water is electrolyzed by the electrodes 5 and 7 arranged in a layer for suspending and settling the sludge 10 depositing on the water bottoms 9 and 10 to generate fine oxygen bubbles on the surface of the anode 5, the bubbles are dissolved in the surrounding water, and oxygen is supplied to the bottoms without causing secondary pollution.
Patent JP-2001257677-A (JP)
Title: Network managing device and program recording medium
Inventor: NAKASHITA TAKAO
IPC: H04M3/00
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a network managing device which speedily restores a network by automatically specifying the occurrence part of a fault caused in a network. SOLUTION: There are installed a data base means 10 for managing the correlation between the fault part of a network and the time sequential pattern of fault notice information which is to be issued when the fault occurs, an acquisition means 13 for acquiring fault notice information given from the network, a holding means 14 for holding the time sequential pattern of fault notice information that the acquirement means 13 acquires and a specification means 15 for specifying the fault part by collating the data of the holding means 14 with the management data of the data base means 10 and specifying the fault generated part on the network in accordance with the specified fault part and issued source information on the fault notice information that the acquisition means 13 acquires.
Patent JP-2001263872-A (JP)
Title: Oil separator
Inventor: TOMIZAWA MAKOTO
IPC: F25B43/02
Filed: 2000-03-16
Abstract: PROBLEM TO BE SOLVED: To provide an oil separator which requires no large working space for performing oil separating element exchanging work or maintenance work and can be improved in oil separating performance. SOLUTION: This oil separator is constituted in such a way that an element pipe seat 2 having a gas flowing-out port 2a opened at the central part of the seat 2 and connected with a gas flowing-out pipeline, an oil flowing-out port 2b connected with an oil flowing-out pipeline, and a mixed gas flowing-in port through which a mixed fluid is made to flow in from the inside of a vertically set-up pipeline member 7 communicating with the discharge port of the main body of an oil injection type compressor is set up a little interior side of the upper opened end of the member 7. Then an oil separating element 4 and a pipe member 3 are integrally formed through a bottom plate member 7 and the lower end side of the pipe member 3 is removably inserted into the gas flowing-out port 2a of the element pipe seat 2.  In addition, the upper half of the element 4 protruded from the pipeline member 7 is covered with a casing 5.
Patent JP-2001264709-A (JP)
Title: Optical phase shifter, and optical filter and optical switch using the same
Inventor: TOYODA SEIJI
IPC: G02F1/01
Filed: 2000-03-16
Abstract: PROBLEM TO BE SOLVED: To provide an optical phase shifter capable of accurately differentiating optical path lengths of plural channels of waveguides in arithmetical series, and being driven at a low voltage, and to provide an optical filter and an optical switch using the same. SOLUTION: The heaters to be arranged on plural channels of waveguides are constituted of plural heating heater parts 21 which increases or decrease in length in one adjacent direction between those corresponding to adjacent channel waveguides and which are arranged almost in a triangular from along each channel waveguide, and plural connection heater parts 22 for connecting one-ends of the adjacent heating heater parts 21 in every other end with each other and connecting the other unconnected ends of the adjacent heating heater parts 21 with each other consequently acute angle parts and obtuse angle parts are made to be of the same number, and thus, the optical path lengths of channel waveguides are accurately differentiated in arithmetical series.
Patent JP-2001263577-A (JP)
Title: Method of manufacturing inner surface anticorrosive pipe joint
Inventor: KATAYAMA YOSHIO
IPC: F16L58/10
Filed: 2000-03-17
Abstract: PROBLEM TO BE SOLVED: To solve a problem that lately a resin coating layer of an inner surface in a pipe joint body is replaced with a vinyl chloride resin to extensively use a polyolefin system resin, however, this polyolefin system resin is provided with a mold shrinkage factor five times or more as compared with a vinyl chloride system resin, after injection molding of this polyolefin system resin to the inner surface of the pipe joint body, during the time the resin coating layer is cooled, cooling of a large thickness part of the resin coating layer is delayed, as a result piques are collected here by shrinkage, generating a void in the resin coating layer and generating a hole in a contact water surface by inserting sometimes the void to a side of the contact water surface of the resin coating layer. SOLUTION: In this method of manufacturing an inner surface anticorrosion pipe joint having a resin coating layer in an inner surface of a metal-made pipe joint, after injection molding is applied to the resin coating layer, inactive gas is injected into this resin coating layer, thus a pique and a void generated in the resin coating layer are moved to a prescribed position, in this condition to cool the resin coating layer solidified.
Patent JP-2000331866-A (JP)
Title: Laminated ceramic electronic component
Inventor: FUKUSHIMA HIDEKO
IPC: H01G4/12
Filed: 2000-03-17
Abstract: PROBLEM TO BE SOLVED: To provide a laminated ceramics electronic component wherein a trace amount of moisture, water content, and plating liquid is suppressed from invading through an open gas cavity of an external electrode and internal conductor as well as a pin hole of a plating layer, a crack or delamination is prevented from occurring on a ceramics body, and no degradation occurs in insulating resistance and electric/mechanical characteristics. SOLUTION: Related to an electronic component which comprises an ceramics body 1 comprising an internal conductor and an external electrode 3 which is electrically connected to the internal conductor, on its outside surface, with the ceramics body 1 and the external electrode 3 coating the internal conductor, the void ratio of the internal conductor and/or the external electrode 3 is 7% or less. Otherwise, a discontinuous glass phase is formed at the border between the external electrode 3 and the ceramics body 1, with the contact ratio between the glass phase and the ceramics body 1 being 5-50%. Both means may be used together.
Patent JP-2001262610-A (JP)
Title: Dozer device for ground working machine
Inventor: NAKADA HIROO
IPC: E02F3/815
Filed: 2000-03-17
Abstract: PROBLEM TO BE SOLVED: To improve the earth removal properties of a reinforcing plate connecting and reinforcing the front end of a blade supporting arm and a blade. SOLUTION: The blade 14 is fixed at the front end of the blade supporting arm 9 for the dozer device 8 projected to a front from a truck frame 2, and the reinforcing plate 15, which is inclined to a rear downward section and inclined to side downward sections, is installed at the front end of the blade supporting arm 9 and the corner sections of the blade 14.
Patent JP-2001259734-A (JP)
Title: Coil unwinding apparatus and method for connecting coil tip/tail end
Inventor: OKUSA TSUTOMU
IPC: B21C47/26
Filed: 2000-03-17
Abstract: PROBLEM TO BE SOLVED: To provide a coil unwinding apparatus and a coil tip/tail end connecting method capable of reducing a line length and an installation space of equipment as small as possible, having a simple structure to reduce an equipment cost/building foundation cost, smoothly conducting a treatment of removing an unrolled part, connecting, etc., in the line, and having a good operability. SOLUTION: An unwinding apparatus 2 for upper pass and an unwinding apparatus 3 for lower pass, a pinch roll 4 for upper pass and a pinch roll 5 for lower pass, a shear 8 for upper pass and a shear 9 for lower pass are respectively and successively arranged along respective lines in vertical pains, further, a connection machine 10 is arranged at a line at front of the shear 8 for upper pass and the shear 9 for lower pass, the unwinding apparatus 2 for upper pass is arranged is the direction crossing the line to freely reciprocate a transfer elevation member 51 to transfer/elevate/send a coil C is arranged.
Patent JP-2001266486-A (JP)
Title: Wobble signal reproducing circuit
Inventor: NISHIMURA KOICHIRO
IPC: G11B7/005
Filed: 2000-03-16
Abstract: PROBLEM TO BE SOLVED: To stably reproduce wobble signals on all the disks of a CD-R/RW, a DVD-R/RW and DVD-RAM with one wobble signal reproducing circuit. SOLUTION: Each of an AGC circuit for equalizing the RF amplitudes of a push-pull circuit output over a wide band and photodetector outputs from two system provided by push-pull and an AGC circuit for fixing a wobble amplitude is provided with a function for holding a gain or switching a response time constant and AGC is held or response time constant is switched by detecting a land prepit area from the push-pull output at the time of reproducing the DVD-R/RW. Besides the AGC is held or response time constant is switched in an address information recording area (PID area) when reproducing the DVD-RAM. Further, a band pass filter for extracting a wobble frequency is provided with a function for making a passaband almost proportional to a clock entry and moreover provided with a function for switching the proportional coefficient of the passband and a clock frequency among the CD-R/RW, DVD-R/RW and DVD-RAM.
Patent JP-2001268523-A (JP)
Title: Service system
Inventor: UCHIKOGA HIROSHI
IPC: H04N7/173
Filed: 2000-03-22
Abstract: PROBLEM TO BE SOLVED: To provide a service system capable of utilizing a DVD in a system such as a learning system. SOLUTION: The server system is provided with a DVD 8 having an IFO file for storing a VOB file for storing video information and audio information and reproduction control information for the information of the VOB file and usually disabled from reproducing information, a PC 7 connected to Internet and allowing the DVD 8 to be inserted into it and a server installed in the Internet and having restoration information for restoring the information of the DVD 8 disabled from reproducing information. At the time of receiving a request for reproducing the information of the DVD 8 from the PC 7, the server returns the restoration information to the PC 7 to reproduce the information of the DVD 8.
Patent JP-2001267044-A (JP)
Title: Ceramic heater and manufacturing method therefor
Inventor: WATANABE SHINDO
IPC: H05B3/18
Filed: 2000-03-23
Abstract: PROBLEM TO BE SOLVED: To provide a ceramic heater with which high-temperature strength of a silicon nitride ceramic base is improved and fluctuation in room- temperature strength is minimized. SOLUTION: By forming A1 ingredient thickened layer only on the surface layer of the ceramic base, growth of main-phase particles of silicon nitride is restrained, and so, there will scarcely be any abnormally grown particles generated which can be a starting point of destruction, which means that fluctuation of strength, especially at room temperature, is hardly generated. If rare earth ingredients are included in the A1 ingredients, crystallization of grain boundary phase is promoted and therefore, high-temperature strength is further improved.
Patent JP-2001262101-A (JP)
Title: Thermosetting tacky adhesive sheet
Inventor: MARUYAMA MITSUNORI
IPC: C09J133/00
Filed: 2000-03-23
Abstract: PROBLEM TO BE SOLVED: To provide a thermosetting tacky adhesive sheet having tackiness at ordinary temperature, capable of very easily carrying out sticking operation when a flexible printed circuit board and a reinforced plate are together adhered, capable of easily carrying out resticking operation so as to give excellent workability, and further making it possible to conduct adhesion excellent in heat resistance. SOLUTION: This thermosetting tacky adhesive sheet is obtained by forming a thermosetting tacky adhesive layer 2 on a substrate 3 and, if necessary, further applying a support material 4 which can freely be peeled off to the tacky adhesive layer, wherein the tacky adhesive layer 2 contains at least a thermosetting phenol-modified xylene resin and an acrylic copolymer, for the purpose of giving such properties to the tacky adhesive layer that the layer has tackiness at the ordinary temperature so as to adhere to an adhered, and that curing reaction is brought about in the tacky adhesive layer by heating so as to be increased in adhesive strength.
Patent JP-2001266843-A (JP)
Title: Connection structure of battery pack and connection method
Inventor: KITAOKA KAZUHIRO
IPC: H01M2/30
Filed: 2000-03-24
Abstract: PROBLEM TO BE SOLVED: To shorten the current passage in the electrical connection method of welding the two types of protrusions of the connecting member, which is disposed between the two electrodes, on the positive electrode and the negative electrode of adjoining unit cells of a battery pack. SOLUTION: The connection method comprises a welding process of resistance welding of one side of protrusion, out of two types of protrusions 47, 48 of the connecting member 4, on the opening part 3 of one side of unit cell 1, and a resistance welding process in which the connecting member 4 is covered by the bottom face 22 of the other unit cell la and the other protrusion 48 is resistance welded on the bottom face 22 of the outer packaging can 2 of the unit cell la.
Patent JP-2001273418-A (JP)
Title: Realistic construction cost calculation system
Inventor: SUGA OSAMU
IPC: G06Q50/00
Filed: 2000-03-24
Abstract: PROBLEM TO BE SOLVED: To detect the optimal realistic construction cost by unitarily managing processes from the design stage of a construction to the procurement of building materials. SOLUTION: An application service provider(ASP) comprises a construction design system consisting of a three-dimensional (3D) structure design system for designing a construction as a 3D structure by means of a 3D CAD means and a direct building construction cost calculating means for calculating the building materials and amounts of the construction for each building material by means of the design system, comparing them with stared general data and calculating the optimal direct construction building cost, and a total construction information system for comparing the design data of the construction designed by the construction design system with latest construction building materials data, talent information data and logistic information data or the like acquired from an Internet service provider(ISP) and detecting the optimal realistic contraction cost.
Patent JP-2000323684-A (JP)
Title: Manufacture of dynamic random access memory
Inventor: GRUENING ULRIKE
IPC: H01L27/108
Filed: 2000-03-24
Abstract: PROBLEM TO BE SOLVED: To form a trench capacitor in a semiconductor body. SOLUTION: A trench capacitor 10 and a MOS transistor 9 are provided in a substrate 16 to form a cell 8 of the DRAM, and the cell 8 is separated from adjacent cells by an STI region 28. The capacitor 10 is composed of an insulator 14 enveloping the trench and a first electrode 24 filled with polysilicon 12, is connected to the drain portion 72 through a buried electrode 22, and is insulated from a gate electrode 20 by a dielectric 23. A second electrode 25 is formed in its bottom portion through an insulator 14. A transistor 9 has N-type drain 72 and source 71 in an upper active region 11 of the substrate 16 and operates with a p well as channel.
Patent JP-2001275845-A (JP)
Title: Heater for electric cooker
Inventor: HIKITA YUSAKU
IPC: H05B3/70
Filed: 2000-03-28
Abstract: PROBLEM TO BE SOLVED: To provide a heater structure that protects a heat shield plate and a pan from high-temperature heating in an electric cooker so designed that a heater set freely attachable and detachable to and from a body provides heating when connected to an external power source. SOLUTION: A heater set 3 freely attachable and detachable to and from a body 1 forms a cast portion 6 with a large sectional area where aluminum or aluminum alloy is cast about a sheath heater 5. The heat of the sheath heater is dispersed over the cast portion 6, whose surface temperature is lowered to reduce radiant heat. A heat shield plate 2 and a pan 8 arranged under the heater set 3 are protected from high-temperature heating. The cast portion 6 with a large sectional area is brought into surface contact with a cooking plate 4 to heat it up efficiently via heat conduction. The heat shield plate 2 and the pan 8 can be surface-treated, and the total height of the electric cooker can be designed low.
Patent JP-2001271797-A (JP)
Title: High speed motor driven compressor and its cooling method
Inventor: HASEGAWA KAZUMI
IPC: F04D17/12
Filed: 2000-03-28
Abstract: PROBLEM TO BE SOLVED: To provide a high speed motor driven compressor and its cooling method capable of effectively cooling a rotor and a stator even when an impeller is directly driven with a high speed motor, and minimizing the generation of imbalance of the rotor to rotate the rotor at high speed. SOLUTION: This high speed motor driven compressor has a compressor 21 directly connected to a rotor shaft 5 of a motor 1; a cooler 12 for cooling gas compressed with the compressor; and a cooling line 14 for introducing part of the compressed gas cooled with the cooler into a casing of the motor. The stator 6 of the motor has a gas passage 24 communicating the inside and the outside of the stator in the central part in the axial direction of the stator 6. The casing 8 has a gas inlet 8a communicating the inside and the outside of the gas passage and plural gas outlets 8b installed at both ends in the axial direction.  The gas compressed with the compressor 21 directly connected to the motor 1 is cooled with the cooler 12, part of the cooled compressed gas is passed through the gas passage 24 communicating the inside and the outside of the stator installed in the central part in the axial direction of the stator 6 or in its vicinity, let to flow in the both ends direction along the rotor through a gap between the rotor 4 and the stator 6, and discharged to the outside from the both ends of the casing.
Patent JP-2001280108-A (JP)
Title: Valve system for internal combustion engine
Inventor: KOBAYASHI HARUKI
IPC: F01L3/10
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To increase punching load of a cotter near a lower end of spring retainer. SOLUTION: A valve system for an internal combustion engine comprises: a spring retainer 9 which is made of light alloy and has a reverse tapered fitting hole 10 formed at the center thereof; a pair of steel cotters 7 which are two half cylinders and peripheral surfaces thereof are reverse tapered faces having the same inclination as the inclination of the fitting hole 10; and a valve spring 5 compressed and disposed between the spring retainer 9 and a cylinder head. In the valve system, the pair of cotters 7 is inserted into the fitting hole 10, and beads 7a disposed on inner peripheral surfaces of the cotters 7 are fitted in an annular groove 1a at a shaft end of an engine valve 1, so that the spring retainer 9 is immovably attached to the shaft end of the engine valve 1 with the valve spring 5 compressing.  The peripheral surfaces of the cotters 7 are roughened surfaces to increase frictional resistance at contact faces of the cotters 7 and the fitting hole 10 of the spring retainer 9.