baber/WOPTO huggingface dataset:
Patent JP-2001263912-A (JP)
Title: Refrigerator
Inventor: SHIBATA KOICHI
IPC: F25B47/02
Filed: 2000-03-17
Abstract: PROBLEM TO BE SOLVED: To provide a refrigerator in which power consumption is suppressed. SOLUTION: This refrigerator comprises a storage compartment formed internally, a cooler for cooling the storage compartment, a cooler compartment having the cooler on the inside, a chill passage for supplying air in the cooler compartment to the storage compartment, a defrost heater for melting frost adhering to the cooler, a first temperature detecting means for detecting the temperature of the cooler, and a second temperature detecting means for detecting the temperature in the chill passage, and has a function for conducting the defrost heater when the difference between the temperature of the cooler and the temperature in the chill passage is higher than a specified level.
Patent JP-2001208896-A (JP)
Title: Method of cosolidifying low-level radioactive wetting waste generated from boiling water nuclear power plant
Inventor: KO KEISON
IPC: B09B3/00
Filed: 2000-03-24
Abstract: PROBLEM TO BE SOLVED: To provide a method of cosolidifying a low-level radioactive wetting waste of a boiling-water nuclear power plant, including spent ion-exchange resin and sludge waste at extremely high volume efficiency. SOLUTION: Sodium sulfate of a concentrated solution is converted to sodium hydroxide and barium sulfate by reacting sodium sulfate with barium hydroxide, so as to improve the stability of solidified waste. The barium sulfate having high density and high stability is insoluble in water, and used as micro cohesive substance is the solidified waste. The sodium hydroxide is used for stabilizing ion-exchange resin and forming high waterproof solidified waste with silicate and phosphate in a solidification agent mixture. The solidification agent to be used is a new powder mixture completely made from non-organic material, so that the solidified waste is free from an aging problem. Waste loading to the solidified waste is extremely enhanced, so that solidification volume efficiency becomes three times that of another waste solidifying method.
Patent JP-2001262974-A (JP)
Title: Device and method for laying burying pipe
Inventor: KASUYA TARO
IPC: E21D9/06
Filed: 2000-03-22
Abstract: PROBLEM TO BE SOLVED: To provide a device for laying burying pipe and a laying method therefor in which the laying of burying pipes differed in curvature radius can be performed by use of one set of devices, the rationalization of a propulsion unit and the rationalization of construction can be attained by wisely using attachments with various curvature radiuses to realize, for example, underground connection of shield tunnel, extension, branch or combination of tunnel, or the like, and attain the shortening of the term of works therefor and the reduction in construction cost, the curvature radius of a part of an outer shell is made adjustable to realize the excavation of excavated holes differed in curvature radius or the laying of a burying pipe,  and the curvature radius of the outer shell is made changeable in the middle of advance to correct the advancing direction of a tip device. SOLUTION: Outer shells 22a-22d are mutually bendably connected through a plurality of curvature regulating means 23-28 expansible and contractible in the advancing direction. The curvature radiuses of the mutually adjacent outer shells 22a-22d can be regulated through the curvature regulating means 23-28.
Patent JP-2001255771-A (JP)
Title: Fixing device and fixing method
Inventor: OTA HIROSHI
IPC: G03G15/20
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To provide a fixing device in which cleaning performance is improved without shortening the service life of a cleaning roller and simultaneously a soiling transfer amount from the cleaning roller is reduced, and to provide a developer image fixing method. SOLUTION: The fixing device 60 of a copying machine is equipped with a heating roller 126 equipped with a heater 128 inside, a pressure roller 127 provided to roll in contact with the roller 126, and a cleaning mechanism 134 cleaning the rollers 126 and 127. The mechanism 134 has the cleaning roller 150 rolling in contact with the roller 126 and a pressuring varying mechanism varying the pressuring force of the roller 150 to the roller 126. The pressuring varying mechanism consecutively varies the pressuring force of the roller 150 within a specified pressuring force range in a shorten cycle than the passing time of paper passing between the rollers 126 and 127.
Patent JP-2001269028-A (JP)
Title: Reaping blade driving unit for combine harvester or the like
Inventor: IIIZUMI KIYOSHI
IPC: A01D34/13
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To provide the subject driving unit designed to prevent noise produced in the turning movement of a roller unit inserted into the U-shaped receiving groove on a receiving metal furnished on a reaping blade unit superposed on the upper side of a blade-receiving unit and subject to left and right movement. SOLUTION: This reaping blade driving unit has such a scheme that a roller unit 11 inserted into the receiving groove on the receiving metal of a reaping blade unit superposed on the upper side of a blade-receiving unit is rotatably axially supported by a support shaft 12, and by turning a support metal 13 supporting the above support shaft 12, the roller unit 11 works so as to reap grain culms by transversely moving the reaping blade unit. The roller unit 11 has such a construction that an inner roller 9 made of iron material is integrated with an outer roller 10 made of elastic material.
Patent JP-2001277193-A (JP)
Title: Method and device for fabricating graphic product
Inventor: STEMPIEN JOSEPH W
IPC: B26F3/06
Filed: 2000-03-28
Abstract: PROBLEM TO BE SOLVED: To exfoliate letters and other graphic products and/or unnecessary portion associate therewith accurately from a carrier sheet automatically. SOLUTION: The method and device according to the present invention to fabricate graphic products from a sheet material layer on a carrier sheet works with data to represent the contour of the applicable item stored with possibility of being read mechanically for cutting away the product from the carrier sheet. The arrangement includes a supplying mechanism to supply sheet material and a joint web in such a condition that they are adjoining to a heating head, which has a plurality of heating elements to be individually operated selectively, and thereby the joint web can be heated for its unnecessary portion specified as to be removed or over the whole heating region which is patterned and covers that portion of sheet material mating with the graphic item, and subsequently the applicable portion of the sheet material fixed to the joint web is exfoliated from the carrier sheet.
Patent JP-2001285213-A (JP)
Title: Noise measurement method in transmission line and instrument therefor
Inventor: TAKAHASHI YOSHIHARU
IPC: H04B3/46
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a means and a device that can measure a noise in a frequency band assigned to a system while it is in operation in the system where a center device and terminals transmit data with each other through a frequency multiplex transmission line. SOLUTION: In the noise measurement method and instrument through the frequency multiplex transmission line, taking notice that a blank period in the absence of data packets outputted from the terminals exists in a signal transmitted through the transmission line, the center device outputs externally its command of a timing signal denoting the start of the blank period or the blank period itself and the noise measurement device receives the signal sent through the transmission line for the blank period in response to the outputted timing signal to obtain a distribution characteristic of the frequency component of the signal. Furthermore, the center device can control the blank period depending on the signal fetch period by the noise measurement instrument.
Patent JP-2001279122-A (JP)
Title: Coloring composition, ink for ink jet and ink jet recording method
Inventor: KAWAGISHI TOSHIO
IPC: C09D11/328
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To obtain a coloring composition free from dependence on paper and excellent in color developing properties and color tones when printed on a discretionarily chosen paper, excellent in handling properties, reduced odor emission, safety, water resistance, light resistance, and the like, permitting a high recording density and high image quality and suitable for an aqueous ink for writing, an aqueous printing ink, an ink for information-recording, and the like. SOLUTION: The coloring composition comprises an oil-soluble dye represented by formula (1), for example, formula (D-2). Preferred embodiments include; an embodiment wherein the oil-soluble dye is dispersed in an aqueous medium; an embodiment wherein the coloring composition comprises a dye dispersion comprising an aqueous medium and, dispersed therein, the oil-soluble dye dissolved in a high boiling point organic solvent boiling at 150 deg.C or higher and having a relative permittivity of 3-12 at 25 deg.C; an embodiment wherein the coloring dispersion comprises a colored fine particle dispersion comprising an aqueous medium and, dispersed therein, colored fine particles containing the oil-soluble dye and an oil-soluble polymer; and the like.
Patent JP-2001277907-A (JP)
Title: Engine device and heat pump system provided with it
Inventor: SAKO TAKAHIRO
IPC: B60W10/10
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To provide technology enabling the load adjustment of a heat pump system 200 when the heat pump system 200 is driven by an engine device 100 provided with a pre-mixing/compressing self-ignition engine 1 for keeping the rotation of a crank shaft 11 by compressing, self-igniting and burning a pre- mixed gas of fuel and an oxygen-containing gas in a combustion chamber 12. SOLUTION: This system is provided with: a crank shaft rotation speed maintaining means 2 for maintaining the rotation speed of the crank shaft 11 at a predetermined rotation speed; and a transmission means 3 for transmitting the rotary motion of the crank shaft 11 to an output shaft 4 by setting a speed change ratio.
Patent JP-2001281431-A (JP)
Title: Diffraction optical element, aligner, method of manufacturing for device, and method of maintaining for semiconductor manufacturing factory and aligner
Inventor: OSAWA MASARU
IPC: H01L21/027
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a diffraction optical element with excellent transmittance for short wavelength light, especially for an F2 excimer laser beam, with high resolution and with reduced chromatic aberration, an aligner using the same, a method for manufacturing the device and a method for maintaining a semiconductor manufacturing factory and the aligner. SOLUTION: At least a part of the diffraction optical element is provided with at least one selected from fluorine doped quartz, anhydrous quartz and fluorine doped anhydrous quartz. Also the aligner, being an aligner having an optical system containing a diffraction optical element such as a BO element to project the original plate pattern illuminated with light from the light source on the substrate, is characterized by having the diffraction optical element. Furthermore, the maintenance information of the aligner is data communicated via a computer network by equipping the aligner with a display, a network interface and the computer to execute the software for the network.
Patent JP-2001288699-A (JP)
Title: Information-recording paper
Inventor: TAIRA HAJIME
IPC: B42D15/10
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To provide an information-recording paper from biting of adjacent small rolls after slitting, excellent in suitability for cutting in production of small roll and excellent also in suitability for cutting in ticket machines. SOLUTION: This information-recording paper has a paper support and an information recording layer on at least one surface of the above paper support. In the information-recording paper, unit weight of the above recording paper is 80 to 300 g/m2 and ratio of length and breadth of tensile strength measured according to JIS P 8125 is 1.6 to 3.0.
Patent JP-2001288557-A (JP)
Title: Oxidation resistant coating structure of niobium type heat resistant material, and method of forming the same
Inventor: SAKAMOTO KAZUYUKI
IPC: F02C7/00
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To provide an oxidation resistant coating structure of niobium type heat resistant material, capable of withstanding long use under an ultrahigh temperature oxidizing atmosphere and hardly causing crack and peeling even under a severe heat cycle, and a method of forming. SOLUTION: In the two-layer oxidation resistant coating structure in which a diffusion preventive layer composed essentially of niobium nitride is formed on the surface of a base material and further an oxidation resistant layer is formed on the surface of the above layer, niobium nitride in the diffusion preventive layer is composed of Nb2N alone. Moreover, in forming the diffusion preventive layer, ionized nitrogen is fed to the surface of the base material while holding the base material at >=300 deg.C, or vapor deposition of niobium and feeding of ionized nitrogen are simultaneously or alternately applied to the surface of the base material while holding the base material at >=300 deg.C. By this procedure, the diffusion preventive layer in which niobium nitride is composed of Nb2N alone can be formed.
Patent JP-2001280076-A (JP)
Title: Center push pipe for jacking method for power tunnel
Inventor: NABEYA SHIGERU
IPC: H02G9/06
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To prevent the occurrence of iron loss at a center push pipe portion caused by the leaking magnetic flux from a power cable and to prevent power loss in a power tunnel constructed by the jacking method. SOLUTION: Longitudinal nonmagnetic metal members 3b and 5b are provided at one position on the circumference of the steel portion of a center push outer pipe 1, and a regulating angular rod 31 is provided on the inner periphery. Longitudinal nonmagnetic metal members 14b, 15b, 19b are provided at one position on the circumference of the steel portion of a center push inner pipe 2, and guide plates 32 and 32 coupled with the regulating angular rod 31 are provided on the inner periphery. When the center push outer pipe 1 and the center push inner pipe 2 are coupled, the nonmagnetic metal members 3b and 5b are brought into contact with the nonmagnetic metal members 14b, 15b, 19b, the regulating angular rod 31 is coupled with the guide plates 32 and 32, thereby the relative rotation in the peripheral direction of the center push outer pipe 1 and the center push inner pipe 2 is prevented.
Patent JP-2000353393-A (JP)
Title: Sense amplifier of semiconductor memory and semiconductor memory device
Inventor: BOKU JUNHON
IPC: G11C16/06
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To guarantee stable and quick sense operation even if integrated density is increased and power source voltage is made low. SOLUTION: This sense amplifier comprises a reference voltage generator 200 generating reference voltage at a reference node, a sense voltage generator 100 connected to a reference node and generating sense voltage at a sense node in accordance with an ON or OFF state of a memory cell, and a level detector 300 connected to a sense node, detecting whether sense voltage is higher than a prescribed reverse voltage or not, and outputting a logic low or high signal indicating an ON or OFF state of a memory cell.
Patent JP-2001283819-A (JP)
Title: Separator for alkaline battery and manufacturing method
Inventor: YAMASHITA MASAHIRO
IPC: C08F10/00
Filed: 2000-04-04
Abstract: PROBLEM TO BE SOLVED: To provide one with a superb affinity to an electrolyte, with a separator of polyolefin system used for an alkali battery, especially an alkali secondary battery. SOLUTION: In applying a sulfonation treatment with a benzene sulfonic acid derivative, an olefinic resin is dipped beforehand in benzene sulfonic acid of limit viscosity of 0.2 or more and 1.0 dl/g or less at around normal temperature, and the benzene sulfonic acid derivative is impregnated in the olefinic resin fibers, and then, heated and subjected to sulfonation treatment, thus giving birth to a separator with sulfo group existing in the resin. The separator is furnished with acid group not neutralized after dipping in an alkali electrolytic solution by 1×10-3 mol/m2, and an alkaline battery with superb capacity retainability is realized without jeopardizing strength.
Patent JP-2001224352-A (JP)
Title: Smoking tool having cover and combinedly usable as ashtray
Inventor: NAKAMURA TATSUNORI
IPC: A24F19/10
Filed: 2000-02-16
Abstract: PROBLEM TO BE SOLVED: To provide an easily portable smoking tool capable of preventing pollution, burn and fire caused by ash or residuum remained after smoking, throwing the ash or residuum away and the like. SOLUTION: This smoking paraphernalia is obtained by forming a main body comprising an outer cylinder 2 which has a long window in the longitudinal direction, a depression 21 on the inside and a female screw at one end and inserting an inner cylinder 3 into the outer cylinder which inner cylinder 3 has a long window of the same form as the outer cylinder 2, a depression 31 of the same size as the outer cylinder 2 on the outside, covering the main body with a cover 4 having a little larger long window than the main body in the longitudinal direction, screwing a cap 5 having a male screw at the female screw-set side of the main body and setting a mouthpiece 6 at the other end.
Patent JP-2001231850-A (JP)
Title: Medical suction tube utilizing capillary phenomenon
Inventor: KOSEKI TOMOAKI
IPC: A61B17/30
Filed: 2000-02-21
Abstract: PROBLEM TO BE SOLVED: To provide a suction tube free from surface suction and having high suction efficiency and requiring no operation and cleaning and an instrument having its function. SOLUTION: The medical suction tube utilizing a capillary phenomenon has a multiple structure with an outer cylinder and an inner cylinder.
Patent JP-2001292772-A (JP)
Title: Nitrile hydratase gene and amidase gene derived from bacterium belonging to the genus rhodococcus
Inventor: KAMAIKE HARUMI
IPC: C12N1/15
Filed: 2000-04-10
Abstract: PROBLEM TO BE SOLVED: To obtain a DNA sequence of a gene coding for nitrile hydratase which is a nitrile-decomposing enzyme derived from bacteria belonging to the genus Rhodococcus and exhibiting especially excellent position selectivity to nitriles and especially to a nitrile group in an aromatic polynitrile compound and a gene coding for amidase and to provide a method for producing an enzyme protein using the DNA sequence and further a method for producing amides and carboxylic acids using the enzyme. SOLUTION: This nitrile hydratase gene is composed of the DNA sequence coding for a specific amino acid sequence and derived from the bacteria belonging to the genus Rhodococcus and the amidase gene is composed of the DNA sequence coding for a specified amino acid sequence. The method for producing the amides and the carboxylic acids comprises transforming the nitrile group in the nitriles to an amide group and further a carboxy group by using a transformant transformed by a plasmid containing the nitrile hydratase and/or amidase gene DNA.
Patent JP-2001298423-A (JP)
Title: Optical network system, core wire connector and line terminator
Inventor: MIYAWAKI MICHIHIRO
IPC: H04B10/80
Filed: 2000-04-14
Abstract: PROBLEM TO BE SOLVED: To reduce cost in the case of building up an optical network system. SOLUTION: ADM line terminators possessed by users 1, 2,..., 91, 92 are connected to an optical fiber cable 101. The subscriber optical fiber cable 101 contained in a building 100 of an electrical communication enterprise, such as NTT, is looped back at the end of a star wiring to form a loop in the cable. Thus, many users are contained in the loop formed by a set (two cores) of core wires through the adoption of the existing ADM technology, the cost of installation can be saved, while providing the best-effort type service and the application of the optical technology to the system can be promoted.
Patent JP-2001296363-A (JP)
Title: Radiation detecting device
Inventor: KUWABARA TAKAO
IPC: G01T1/20
Filed: 2000-04-14
Abstract: PROBLEM TO BE SOLVED: To expand the dynamic range of radiation image information by irradiating a phosphor with radiation and detecting it by a photoelectric converting element. SOLUTION: The efficiency T of incidence is made small by providing a light absorption member 49 between the phosphor 41 and a detector 42 so that X.L.T.F.η<=Q holds within a range of 10 to 300 mR in the dosage of radiation for the maximum amount Q of electric charges which can be accumulated in a capacitor C2 of a detector 42, the number X of quantums of radiation L1 made incident on each pixel, the number L of light quantums generated by the phosphor 41 for each radiation quantum, the efficiency T of incidence of fluorescent light generated by the phosphor 41 on a photodiode S1, the file factor F of the photodiode PD, and the light charge conversion efficiency η. The light charge conversion efficiency η is made small by making different the light emission wavelength characteristics of the phosphor 41 and the wavelength sensitivity characteristics of the photodiode PD or the number L of light quantums is made small by using the phosphor 41 which has a small light emission quantity.
Patent JP-2001294083-A (JP)
Title: Interior lighting system for vehicle
Inventor: MARUO HISAFUMI
IPC: H01R4/24
Filed: 2000-04-14
Abstract: PROBLEM TO BE SOLVED: To provide an interior lighting system for a vehicle capable of reducing the power consumption, elongating the service life, and improving the reliability in wiring by reducing the man-hours in assembling. SOLUTION: This interior lighting system comprises a light emitting element loaded substrate 14 loading a light emitting diode 13, a light emitting element case 15 provided with a light emitting window 21 capable of outwardly transmitting the light, and fixed to the light emitting element loaded substrate 14 to accommodate the light emitting diode 13, and a harness connecting part 12 press-fitted with a terminal of a wire harness 11 connected to an electric circuit at a car body side, and fixed to the light emitting element loaded substrate 14. By this constitution, the power consumption of a power source can be reduced, the life of the power source can be elongated, and the reliability in wiring can be improved by reducing the man-hours in assembling.
Patent JP-2001299892-A (JP)
Title: Deodorant package for heat sterilizing machine and method for deodorizing inside of heat sterilizing machine
Inventor: INABA HIDEO
IPC: A61L9/015
Filed: 2000-04-20
Abstract: PROBLEM TO BE SOLVED: To provide a deodorant package for a heat sterilizing machine which is capable of removing the malodors generated when the agar media used for mechanism inspection, medical wastes and wastes used for animal experiment are treated in the heat sterilizing machine and a method for deodorizing the inside of the heat sterilizing machine. SOLUTION: The deodorant package A for the heat sterilizing machine formed by packing a deodorant 3 into the package body 2 molded of a plastic film 4 by heat sealing its joint part 5 is housed together with a material b to be sterilized into the heat sterilizing machine 1 and the deodorant 3 in the package body 2 is expanded by heating with the heat sterilizing machine 1. The package body is opened in the heat sealing part 5 and the deodorant 3 is splashed into the heat sterilizing machine 1, by which the inside of the heat sterilizing machine is deodorized.