baber/WOPTO huggingface dataset:
Patent JP-2001284662-A (JP)
Title: Thermoelectric conversion material, thermoelectric conversion element, thermal battery, and cooler
Inventor: SHUDO NAOKI
IPC: H01L35/32
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a thermoelectric conversion material having a low coeffi cient of thermal conductivity, a high thermoelectric conversion efficiency, and low toxicity. SOLUTION: This thermoelectric conversion material has a composition expressed by the following chemical formula (1): NaαMXAYO4-Z, where, M and A respectively represent one or more kinds of alkali metallic elements 4 selected from among K, Rb, and Cs and one or more kinds of metallic elements selected from among Co, Fe, Ni and Cu and the mol rations α, X, Y, and Z respectively represent numerical values meeting 0<α<1.2, 0.1<=X<=1, 0.7<=α+X<=1.2, 0<Y, and 0<=Z.
Patent JP-2001276968-A (JP)
Title: Multi-electrode welding method and apparatus
Inventor: WATANABE SHINYA
IPC: B23K9/00
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a multi-electrode welding method and it's apparatus which carries out reliable electrode position control and arc length control, thereby improves welding quality. SOLUTION: In the multi-electrode welding method which performs copy- welding along a groove 10a, generating arc between an electrode portion 11 composed of a plurality of electrodes 20, 21 and a base metal 10, plural welding information obtained from the electrodes 20, 21 are compared according to the positional relation between the electrodes 20, 21 with the groove 10a, to control the position of the electrode portion 11 to the groove 10a on the result of the comparison.
Patent JP-2001275557-A (JP)
Title: Method for preserving vegetable/fruit
Inventor: TANAKA ATSUSHI
IPC: B65D85/50
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a method affording vegetables/fruits freshness-preserving packages having such modified atmosphere(MA) effect as to enable preventing vegetables/fruits from discoloration, withering, putrefaction, getting spongy, after-ripening and contents decrease. SOLUTION: This method for preserving vegetables/fruits comprises preserving them in the form of a package at a temperature T( deg.C) satisfying the formula (1): 0<T<=25, p>0, and a×log(P+b)-c<=T<=a×log(P+b)-d (wherein, P is the oxygen gas permeability of the package in question (cc/100 g/day/atm); (a), b, c and d are each a constant determined depending on the kind of the vegetables/fruits in question).
Patent JP-2001281585-A (JP)
Title: Structure for laser scanner unit, laser scanner unit and image forming device
Inventor: IWATA HYOE
IPC: G02B26/10
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To provide a frame structure for a laser scanner unit which realized the improvement in rigidity and miniaturization, and to provide a laser scanner unit and an image forming device. SOLUTION: A base 28 is fixed in near the neighborhood of the center in the height direction of the side walls 21, 22, 23, 24, 25 and 26, and the cross-section shape of the whole frame forms almost a H shape. Then, a plurality of optical components are separated and attached on one surface 28a side through the base 28 and on the other surface 28b side through the base 28.
Patent JP-2001281272-A (JP)
Title: Current/magnetic field measuring apparatus
Inventor: TAKAHASHI MASAO
IPC: G01R19/00
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To provide a current/magnetic field measuring apparatus utilizing the Faraday effect which permits measurement at a higher accuracy by eliminating effect of external magnetic fields along with a higher dynamic range. SOLUTION: A laser diode 1 is driven by an LD driver 2 to supply exciting light to a fiber laser. The light is guided to a coupler 4 with a transmission fiber 3 and further to a ring resonator 5 of a ring laser with the coupler 4. The ring resonator 5 is composed of an optical fiber containing a laser medium having a light amplifying action and wound on the circumference of a primary conductor 6 to be measured. Beat frequency generated in the ring laser by the Faraday effect is determined thereby obtaining a current value of the primary conductor 6.
Patent JP-2001284556-A (JP)
Title: Non-volatile semiconductor memory device and producing method therefor
Inventor: SHIMIZU KAZUHIRO
IPC: H01L21/8247
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To provide the non-volatile semiconductor memory device of low cost and high density reduced in the element separate width of a memory cell and improved in work controllability by reducing the embedding aspect of an element separate insulating film and a producing method therefor. SOLUTION: Charge storage layers (27, 47 and 67) of a non-volatile semiconductor memory cell are made into laminated structure composed of at least two of conductive layers (25, 26, 45, 46, 65 and 66), the end face position of the lowermost conductive layer is matched with the terminal position of an element separate area, and the width of the uppermost conductive layer is equal with or wider than that of the lowermost conductive layer. Since the first conductive layer is thin, the embedding aspect is reduced and the second conductive layer is made into film thickness required for making capacity with control gates (29, 49, 69 and 88) into desired value. The uppermost layer can be formed in the self-matching manner with the element separate area. Besides, isotropic etching can be used for widening the uppermost layer.
Patent JP-2001285923-A (JP)
Title: Method for deciding base station arrangement pattern
Inventor: INASAWA YOSHIO
IPC: H04W16/18
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To solve a problem of a conventional method for deciding a base station arrangement pattern that cannot always yield an optimum pattern because it is required to prepare a plurality of arrangement patterns before execution of simulation and it takes much time to generate the arrangement patterns. SOLUTION: The base station arrangement pattern decision method includes a step ST1 where a map relating to an object area of base station arrangement is prepared, a step ST2 where a base station candidate point is designated, a step ST3 where an area evaluation point is designated, a step ST4 where a communication enabled area is deduced for each base station candidate point and a step ST5 where, after setting an evaluation function in response to the purpose relating to the base station arrangement, the optimum base station arrangement pattern is decided through the adoption of a genetic algorithm.
Patent JP-2001286877-A (JP)
Title: Method and device for treating liquid containing chemical substance having hormone-like activity
Inventor: EGUCHI MASAHIRO
IPC: C02F1/78
Filed: 2000-04-04
Abstract: PROBLEM TO BE SOLVED: To provide a method and a device, by which treating state of a chemical substance having hormone-like activity contained in a liquid to be treated is rapidly confirmed and the amount of an oxidant to be added to the liquid to be treated is rapidly and appropriately controlled according to the confirmed result when the chemical substance mentioned above is subjected to oxidation treatment by the oxidant. SOLUTION: A monitoring device 24 for monitoring the amount of residual oxidant in a treated liquid is provided. Then, when the oxidant is detected in the treated liquid, it is decided that the chemical substance having hormone- like activity is completely treated and when no oxidant is detected, it is decided that the oxidation of the chemical substance is not completed. Further, the amount of the oxidant to be added to the liquid to be treated is controlled according to the monitoring result of the amount of the residual oxidant in the treated liquid by the monitoring device 24. For example, the amount of ozone generated from an ozone generator 10 is controlled according to a signal S.
Patent JP-2001288564-A (JP)
Title: Target unit for sputtering film deposition
Inventor: SHIMIZU TOYOAKI
IPC: C23C14/00
Filed: 2000-04-04
Abstract: PROBLEM TO BE SOLVED: To provide a target unit for sputtering film deposition by which the contamination of the surface of a thin film electronic material as a product can be prevented without reducing the efficiency of film deposition treating operation. SOLUTION: In a target unit 1 for sputtering film deposition, an opening part 5 in which the central part is arranged with a target 2 is disposed, the planar shape of the opening part is formed of an earth shield 4 having a planar shape including a region 15 in which grains do not stick to a substrate but return and stick thereto, and also, the planar shape of the target is the one held so as to be made more smaller than the opening part by a fixed interval (shield gap) D.
Patent JP-2001289045-A (JP)
Title: Cooling method for engine cooling water using thermomagnetic rotating device
Inventor: NISHIKAWA MASAHIRO
IPC: F01P5/12
Filed: 2000-04-07
Abstract: PROBLEM TO BE SOLVED: To effectively use engine exhaust heat as rotation energy by converting the heat quantity of high-temperature cooling water generated from the engine into rotation energy and cooling and circulating it to the low- temperature cooling water. SOLUTION: The thermomagnetic rotating device 22 is formed of a cylinder body 1a made of a thermosensitive magnetic material rotatably journalled thereto, a magnet 2 having magnetic poles 2a and 2b positioned circumferentially to the cylinder body 1a and arranged opposite to the outer circumferential face of the cylinder body, a heating region 5 for heating a part of the cylinder body 1a, and a cooling region for cooling the other part of the cylinder body. This cooling method for the engine cooling water using the thermomagnetic rotating device is characterized that the heating region 5 is heated by the high- temperature cooling water flowing out from the engine 12, the heat energy of the high-temperature cooling water is converted into the rotation energy of the thermomagnetic rotating device 22, and the high temperature cooling water is cooled to the low-temperature cooling water.
Patent JP-2001246195-A (JP)
Title: Hanger
Inventor: OKAMOTO MINORU
IPC: D06F57/00
Filed: 2000-03-06
Abstract: PROBLEM TO BE SOLVED: To provide a hanger which does not require an overspace, can quickly dry washed trousers with few wrinkles without passing a drying pole through the one side 4 leg part or without folding the trousers, and which can be utilized for other clothes. SOLUTION: An arbitrary number of arms (2) each in an arbitrary length are equipped on a hook part (1). The tip end pars (3) of respective arms 2 are bent in arbitrary shapes, arbitrary angles, arbitrary directions and in arbitrary lengths to form a hanging part (4).
Patent JP-2001287497-A (JP)
Title: Blackboard for construction site
Inventor: TAKEDA YOSHINOBU
IPC: G09F15/00
Filed: 2000-04-10
Abstract: PROBLEM TO BE SOLVED: To solve problems of a complication and taking a time of binding and fixing a blackboard to be installed and describing necessary items such as a date, a construction name, an executer and the like due to necessity of taking a photograph of a construction site at each process of works at a building/civil engineering site, photographing the blackboard so as to be included in the photograph, binding and fixing the blackboard by strings or the like to a suitable position such as a reinforcing bar or the like of a photographing position, and obstructing a smooth process of the photographing. SOLUTION: The blackboard for the construction site comprises a magnet 5 mounted on a rear surface side of a blackboard body 1.
Patent JP-2001291920-A (JP)
Title: Optical amplifier
Inventor: TAKACHI MASAHIKO
IPC: H01S3/091
Filed: 2000-04-10
Abstract: PROBLEM TO BE SOLVED: To provide an optical amplifier which is superior in pumping efficiency of a rare earth doped fiber and can be constituted at a low cost. SOLUTION: This optical amplifier is provided with the rare earth element doped optical fiber 1, where rare earth elements are added to an optical waveguide region and a signal light is amplified by introducing a pumping light, pumping light inlet means 2, 3 which introduce the pumping light from one end 11 of the fiber 1, and an optical band reflection filter 4, which is arranged on the other end 12 of the fiber 1 and selectively reflects light in the wavelength band of the pumping light. The pumping light introduced from the introducing means 2, 3 propagates, while exciting the rare earth elements in the fiber 1. The pumping light is reflected by the reflection filter 4. The reflected pumping light re-excites the rare earth elements in the fiber 1, while propagating in reverse direction.
Patent JP-2001027287-A (JP)
Title: Torsional damper and manufacture thereof
Inventor: SANO HIROYUKI
IPC: F16F15/12
Filed: 2000-04-12
Abstract: PROBLEM TO BE SOLVED: To provide a fitting type torsional damper considerably increasing sliding torque among a hub, annular rubber and annular mass with no manufacturing problem. SOLUTION: In pressing annular rubber 3 in between the opposed peripheral surfaces of a metal hub 1 and a metal annular mass 2 disposed on the outer peripheral side, a silane coupling agent is applied to the opposed peripheral surfaces of the hub 1 and annular mass 2 or to the annular rubber 3 to interpose the silane coupling agent at the fitting faces of the hub 1, annular mass 2 and annular rubber 3.
Patent JP-2001294659-A (JP)
Title: Method for producing crosslinkable silicon group- containing polyoxyalkylene-based polymer
Inventor: ASAI YOSUKE
IPC: C08G65/336
Filed: 2000-04-12
Abstract: PROBLEM TO BE SOLVED: To obtain a polyoxyalkylene-based polymer having crosslinkable silicon groups and hydroxyl groups in one molecule from a polyoxyalkylene- based polymer containing a composite metal cyanide complex catalyst and having unsaturated groups and hydroxyl groups in one molecule without removing the composite metal cyanide complex catalyst. SOLUTION: A carboxylic acid compound is added to the polyoxyalkylene- based polymer containing the composite metal cyanide complex catalyst and having the unsaturated groups and hydroxyl groups in one molecule and then subjected to a hydrosilylating reaction with a compound having hydrogen-silicon bonds and crosslinkable silicon groups in one molecule in the presence of a hydrosilylating catalyst.
Patent JP-2001296666-A (JP)
Title: Method for exposing substrate and exposure system
Inventor: NISHIBE SATOSHI
IPC: H05K3/00
Filed: 2000-04-12
Abstract: PROBLEM TO BE SOLVED: To provide a method for exposing a substrate by which a high precision and high resolution pattern of a photosensitive resin layer can be formed, and to provide an exposure system. SOLUTION: Rays of light from a lamp, such as a mercury short arc lamp 50, are converted into parallel rays 60 of light for exposure with a collimation system 51-58, and the wavelength spectrum of rays of light radiated from the lamp 50 is adjusted with a filter 57 for exposing a photosensitive resin layer with rays of light for exposure including a reduced proportion of UV of relatively short wavelengths and increased proportions of UV of relatively long wavelengths and visible rays of relatively short wavelengths.
Patent JP-2000333442-A (JP)
Title: Stabilized gate driver
Inventor: MIETTINEN ERKKI
IPC: H03K17/691
Filed: 2000-03-09
Abstract: PROBLEM TO BE SOLVED: To provide a gate driver for generating stabilized control voltage for a power semiconductor. SOLUTION: A Zener diode (Z) and a resistor (R) are serially connected to the secondary side of a current source transformer (T) via a diode (D). A series combination of a first semiconductor switch (T1) and a second semiconductor switch (T2) is connected in parallel to a series connection of the Zener diode (Z) and the resistor (R). In the subsequent stage, a series connection of a first capacitor (C1) and a second capacitor (C2) is connected in parallel. First and second capacitor C1, C2 supply a stabilized voltage to a positive auxiliary voltage input terminal (Va+) and to a negative auxiliary voltage input terminal (Va-) of a gate driver unit (GD). Then, the gate driver unit (GD) supplies ignition voltage within a desired value to a power semiconductor (IGBT).
Patent JP-2001307584-A (JP)
Title: Hook knob mounting structure
Inventor: YAMADA TAKESHI
IPC: H01H13/14
Filed: 2000-04-19
Abstract: PROBLEM TO BE SOLVED: To provide a hook knob mounting structure minimizing a placement space for a hook knob moving in a main body, and preventing foreign matter from entering a gap between the hook knob and the main body. SOLUTION: A front case 10 forms a main body of a telephone set, has a recessed part 12 where a receiver is placed, and has an opening hole 14 which is opened in the inside face of the recessed part 12 and is integrally formed with a rib 16 which surrounds the hole 14 and extends from it on the back face of the recessed part 12. A hook knob 20 is formed by integrating a hook part 22 which is inserted into the rib 16 in the front case 10 and protrudes from a surface of the recessed part 12 through the opening hole 14, and a concave rib part 24 surrounding and covering a periphery of the hook part 22. The hook knob 20 is supported movably up and down so that the rib part 24 slides along the rib 16 and an on/off operation in communication can be run. Thus, foreign matter can be prevented from entering the gap between the hook part 22 and the opening hole 14.
Patent JP-2001304501-A (JP)
Title: Oil/gas combustion switching type boiler
Inventor: TSUMITA YOSHIMITSU
IPC: F22B35/00
Filed: 2000-04-21
Abstract: PROBLEM TO BE SOLVED: To provide an oil/gas combustion switching type boiler which can burn oil or gas as occasion demands with proper switching without the change or the like of a furnace structure while avoiding lowering of plant efficiency or increase of costs. SOLUTION: A heating tube used as a secondary superheater at the time of burning oil is employed as an evaporator 6' when a gas is burnt.
Patent JP-2001305024-A (JP)
Title: Abnormal condition diagnostic device for large rotating machine
Inventor: ITO MASAO
IPC: G01M99/00
Filed: 2000-04-21
Abstract: PROBLEM TO BE SOLVED: To provide a simple versatile type abnormal condition diagnostic device allowing diagnosis of an abnormal condition of a mechanical structure such as a large rotating machine online. SOLUTION: This abnormal condition diagnostic device, in which a vibration detection part and a vibration meter main body are connected together by means of an intermediate connection member, for a large rotating machine, is provided with the vibration detection part 1 having a clamping mechanism attracted to a measured body surface 8 by means of a magnet 8 and brought into contact with the measured face so as to stably clamp it, oscillating mechanism 4 holding the vibration detection part freely rotationally, a listening rod type position adjusting rod 5 having an oscillating type vibration detection part at the tip and feely extending/shrinking its length adjustably, and a monitor apparatus 6 connected to the vibration detection part by means of the intermediate connection member 7 inserted through the position adjusting rod and diagnosing an abnormal condition for displaying it.
Patent JP-2001305119-A (JP)
Title: Filler containing activated charcoal for analyzing dioxins
Inventor: WAKIMOTO TADAAKI
IPC: G01N30/88
Filed: 2000-04-21
Abstract: PROBLEM TO BE SOLVED: To provide a cleaning up filler for the analysis of dioxins which eliminates the need for cleaning using an organic solvent. SOLUTION: The cleaning up filler for the analysis of dioxins contains the powder, heat treated in a low oxygen atmosphere, containing activated charcoal and silica gel.
Patent JP-2000320619-A (JP)
Title: Chain for power transmitting chain
Inventor: BUBEL DENNIS J
IPC: F16G5/18
Filed: 2000-04-26
Abstract: PROBLEM TO BE SOLVED: To increase contact area between outermost inner links and a sprocket, and increase a contact area between a rocker and outermost inner links. SOLUTION: A plurality of inner side links 121, 122, 123 each having a pair of apertures are alternatively arranged. A plurality of guide links 120 each having a pair of apertures are arranged on an outer side of a line correspondingly to every other inner link. A connection pin composed of a pin 116 and a rocker 118 is inserted into each aperture. Projections 160 are formed on an inner side surface of each guide link 120 as a spacer element for keeping separation between the guide link 120 and adjacent outermost inner links 122, 123.
Patent JP-2001303979-A (JP)
Title: Intake air quantity control device of internal combustion engine and manufacturing method therefor
Inventor: TOKIYA SATORU
IPC: F02D11/10
Filed: 2000-04-26
Abstract: PROBLEM TO BE SOLVED: To provide an intake air quantity control device of an internal combustion engine, excellent in accuracy in dimensions and strength. SOLUTION: A metal plate 15 is formed with a supporting part for a bearing 10 of a valve shaft 9, which is mounted rotatably on an intake air passage part 2 and fitted with a throttle valve 11, a supporting part for a shaft of an intermediate gear 6, and a reference hole of a shaft of an rotor 12 constituting a part of a motor.
Patent JP-2001308248-A (JP)
Title: Lead frame for bcc
Inventor: MIKAMI JUNTARO
IPC: H01L23/50
Filed: 2000-04-24
Abstract: PROBLEM TO BE SOLVED: To provide a lead frame for BCC capable of reducing a BCC manufacturing cost without nearly dissolving the whole amount of the lead frame like the conventional lead frame for BCC. SOLUTION: In the lead frame for BCC providing a recess-like ground part and a recess-like electrode pad part on the surface, a separation layer is formed by a metal plating layer having inferior adhesion with a metal oxidation film or the lead frame material among the recess part surface of a lead frame raw material, the recess-like ground part provided on the recess part surface and the plating layer being the recess-like electrode pad part.
Patent JP-2001316418-A (JP)
Title: Method for producing partially protected polyhydroxystyrene
Inventor: YOKOYAMA KENICHI
IPC: C08F12/22
Filed: 2000-05-11
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a partially protected polyhydroxystyrene which has the hyroxy groups partially protected with a tertiary alkyl group or a tertiary alkyl group and an acetal group. SOLUTION: The method for producing a partially protected polyhydroxystyrene is characterized in that a polymer having the repeated units originated from styrene having a tertiary alkoxy group as a substituent is treated with a deprotection reaction so that 80-95 mol% of the substituents may be converted to their hydroxyl groups; and that the partially protected polyhydroxystyrene thus obtained is further reacted with vinyl ether so that part of the hydoxy groups may be converted to their acetal groups.
Patent JP-2001287902-A (JP)
Title: Method for producing nickel hypophosphite
Inventor: TANAKA YOSHIO
IPC: C01B25/165
Filed: 2000-04-04
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing nickel hypophosphite hexahydrate as an inexpensive and high-purity product under a pollution-free state useful as a reducing agent and a nickel source in an electroless nickel plating. SOLUTION: Hypophosphorous acid is reacted with a basic nickel salt in a water phase, hypophosphorous acid, hydrochloric acid, nitric acid or sulfuric acid is previously added to the reaction system so that the pH value of the reaction mixture after the reaction is <=3 and the filtrate is recycled to attain improvement in yield and non-pollution of the process.