baber/WOPTO huggingface dataset:
Patent JP-2001231672-A (JP)
Title: Mirror with lighting fixture
Inventor: DOKE TAKAHIRO
IPC: A47G1/00
Filed: 2000-02-21
Abstract: PROBLEM TO BE SOLVED: To provide a mirror with a lighting fixture which is capable of improving design and executability, comprises a high performance of luminous intensity distribution, and contributes to cost reduction. SOLUTION: In the mirror with a lighting fixture, the lighting fixture to shine light on a subject in front of a mirror is provided at least one location in the circumferential edge of the surface of the mirror to obtain an image well reflected in the mirror on the surface of the mirror. At least one longitudinal side of the lighting fixture viewed from the subject on the front surface of the mirror is made of a curve.
Patent JP-2001234009-A (JP)
Title: Resin composite composition
Inventor: KAWAKAMI KIYOSHI
IPC: C08F222/04
Filed: 2000-02-22
Abstract: PROBLEM TO BE SOLVED: To provide a resin composite composition which comprises an aromatic vinyl-based polymer, an aromatic vinyl-unsaturated nitrile copolymer-based polymer, an α-olefinic polymer, and a polymer obtained by hydrogenating an aromatic vinyl-(meth)acrylate ester copolymer and then modifying the hydrogenation product with a conjugated diene, whose peeling is controlled, and which has excellent impact resistance and excellent chemical resistance. SOLUTION: This resin composition characterized by comprising (A) 1 to 99.5 wt.% of an aromatic vinyl-based polymer, (B) 1 to 99.5 wt.% of an aromatic vinyl-unsaturated nitrile copolymer-based polymer, (C) 1 to 99.5 wt.% of an α-olefinic polymer, and (D) 1 to 40 wt.% of a polymer obtained by hydrogenating an aromatic vinyl-(meth)acrylate ester copolymer and then modifying the product with a conjugated diene.
Patent JP-2000312053-A (JP)
Title: Semiconductor optical device
Inventor: SHIMOYAMA KENJI
IPC: H01S5/22
Filed: 2000-02-22
Abstract: PROBLEM TO BE SOLVED: To improve the reliability of a semiconductor optical device by making the spot diameter of the beam emitted from the device smaller, by making the widths of strip-like openings narrower as going toward the front end sections of the openings from the central parts of the openings. SOLUTION: A double quantum well active layer 106 is formed on a substrate 101 by successively laminating an n-type clad layer 102, a light guide layer 103, a well layer 104, a barrier layer 105, another well layer 104, and another light guide layer 103 upon another on the substrate 101. Then a double heterostructure is formed by successively laminating a p-type first clad layer 107 and an oxidation preventing layer 108 upon another on the active layer 106. In addition, an SiN protective film 109 is deposited on the surface of the double hetero-substrate thus formed, and many stripe-like openings 110 are made through the protective film 109 by patterning the openings 110, in such a way that the widths W1 at the front end sections W1 of the openings 110 become narrower than those W2 at the central parts of the openings 110.  Therefore, a laser which can emit a circular beam can be obtained while the laser maintains high reliability.
Patent JP-2001235036-A (JP)
Title: Magnetic fluid sealing device
Inventor: YODA YUJI
IPC: F16J15/43
Filed: 2000-02-23
Abstract: PROBLEM TO BE SOLVED: To provide a sufficient magnetic fluid retaining force. SOLUTION: In this magnetic fluid sealing device, a space portion formed between the outer peripheral surface of a columnar shaft 14 inserted in a hole 12 in a member 10 and the inner peripheral surface of the hole 12 is divided into A and B, the space portion surrounding the outer peripheral surface of the shaft 14 when a ring-shaped area C between the outer peripheral surface of the shaft 14 and the inner peripheral surface of the hole 12 is filled with magnetic fluid 15. The shaft 14 is made of magnetic substance and the member 10 is made of nonmagnetic substance.  A ring-shaped magnet 22 having opposite poles on the opposite end faces of the shaft 14 is mounted on the inner peripheral surface of the hole 12 coaxially with the shaft 14, and a disc-shaped wall surface 24 surrounding the shaft 14 is formed on at least one end face of the ring-shaped magnet 22, with the inner end face 24a of the wall surface located closer to the outer peripheral surface of the shaft 14 than to the inner peripheral surface 22a of the ring-shaped magnet 22. The ring-shaped area C is formed by a gap between the inner peripheral surface 22a and the outer peripheral surface of the shaft 14 opposite to the inner peripheral surface 22a.
Patent JP-2000239668-A (JP)
Title: Production of low-sulfur-content gasoline
Inventor: DIDILLON BLAISE
IPC: B01J27/047
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To obtain a low-sulfur-content gasoline by hydrogenating unsaturated sulfur-containing compounds in a sulfur-containing gasoline fraction and then decomposing saturated sulfur-containing compounds. SOLUTION: A gasoline fraction obtained with a catalytic cracking apparatus and having a b.p. in the range of from about the b.p. of 5C hydrocarbons to 250 deg.C is preferable as the sulfur-containing gasoline fraction to be fed. The hydrogenation is preferably conducted in the presence of a catalyst which contains a group VIII metal and/or a group VIb metal in the state of, at least partially, a sulfide. The decomposition of saturated sulfur compounds is carried out on a catalyst based on nickel, molybdenum or cobalt. It is preferable that at a step before the hydrogenation of unsaturated sulfur compounds, the material to be fed is sujected to a pretreatment to hydrogenate the unsaturated sulfur compounds.
Patent JP-2001237325-A (JP)
Title: Method of manufacturing semiconductor device
Inventor: KIMIZUKA NAOHIKO
IPC: H01L21/8242
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To prevent BT instability due to an electrochemical reaction at an interface between a gate insulating film and a silicon substrate caused by holes generated in an inversion layer during a high-temperature operation, which occurs more markedly due to presence of nitrogen, when nitrogen is introduced into a gate insulating film to prevent diffusion of boron in a channel, particularly, in a pn-type pMOSFET to make a gate insulating film thinner. SOLUTION: Since no hydrogen is contained in a gate insulating film 6 of a MOSFET internal circuit by oxidizing the gate insulating film 6 of a MOSFET internal circuit in a gas atmosphere containing no hydrogen, deterioration due to BT instability is prevented. Furthermore, the deterioration due to BT instability can be further prevented by introducing fluorine before formation of the gate insulating film 6 of a MOSFET internal circuit.
Patent JP-2001243780-A (JP)
Title: Non-volatile semiconductor memory
Inventor: NAWAKI MASARU
IPC: H01L29/788
Filed: 2000-02-25
Abstract: PROBLEM TO BE SOLVED: To suppress increase of a write-in time under low voltage without increasing an area of a charge pump. SOLUTION: In a non-volatile memory provided with plural memory cells having control gates, floating gates, drains, sources, and channel regions between the drain and the source, and arranged in a matrix, plural first selecting transistors selecting the memory cell in a column, and plural second selecting transistors for write-in control, and having plural bit lines connected to drains of the memory cells and plural word lines connected to control gates of the memory cells, a write-in pulse having pulse width of time Tmin is inputted to a gate of the second selecting transistor, and write-in is performed by shifting each write pulse inputted to gates of the plural second selecting transistors coupled respectively to plural memory cells connected to one of the word line for a prescribed time of Tmin or less.
Patent JP-2001244142-A (JP)
Title: Variable capacitor and manufacturing method of metal rotor for variable capacitor
Inventor: SHIBATA YASUNOBU
IPC: H01G13/00
Filed: 2000-02-28
Abstract: PROBLEM TO BE SOLVED: To prevent a warpage from being generated on a metal rotor for a variable capacitor and to prevent a step from being generated between a step part, to give a rotor electrode and a projected part for inclination prevention, when the metal rotor is manufactured by processing a metal plate obtained through a rolling process through etching. SOLUTION: When a step part 13 to give a rotor electrode 14 and a projected part 15 for inclination prevention, having a height equal to that of this step part 13, are formed by processing a metal plate through etching, the rolling direction 19 of the metal plate is set, so that the direction 19 is turned in the direction to substantially intersect orthogonally the arranging direction of the step part 13 and the projected part 15.
Patent JP-2001244241-A (JP)
Title: Resist ashing equipment and wafer temperature increasing method
Inventor: NISHIBE HARUHITO
IPC: H01L21/302
Filed: 2000-02-28
Abstract: PROBLEM TO BE SOLVED: To obtain resist ashing equipment applicable to wafer heating before resist ashing treatment wherein wafer temperature before resist ashing treatment can be increased as desired without decreasing throughput capacity of the resist ashing equipment, so that throughput capacity of the equipment can be improved, and to provide a wafer temperature increasing method. SOLUTION: A temperature increasing means which increases the temperature of a wafer 1 by heat of a lamp 7 in installed in a vacuum stand-by chamber 4 connecting a resist ashing treatment chamber 6 (vacuum part) and an atmosphere. While the vacuum stand-by chamber 4 is made vacuous from the atmospheric pressure and in the case that the wafer 1 is treated just before, the wafer 1 stays only for its treatment time in the vacuum stand-by chamber 4 and the temperature of the wafer is increased up as desired during the stay time. As a result, desired ashing speed is obtained from just after start of the resist ashing treatment without decreasing throughput capacity of the equipment.
Patent JP-2001238826-A (JP)
Title: Electric vacuum cleaner
Inventor: TANAKA MASATOSHI
IPC: A47L5/14
Filed: 2000-02-29
Abstract: PROBLEM TO BE SOLVED: To provide an electric vacuum cleaner which has simple structure of a circulating passage and a body case. SOLUTION: A cleaner body which is fixed with a dust chamber 40 and an electric air blower which depressurizes the dust chamber and an inhalator body which is formed with an inhalator mouth at its bottom and fixed with an inhaling chamber are equipped, and the exhaust air from the electric air blower circulates to the inhaling chamber in the inhalator body in an electric vacuum cleaner, and a dust collecting case 42 forming the dust chamber 40 and the electric air blower are combined to form a unit 120, and an emission passage pipe 80 which has the exhaust air from the electric air blower circulate to the inhalator body is attached to the unit 120 and the unit 120 and the emission passage pipe 80 are covered with upper and lower cases 30, 20.
Patent JP-2001239866-A (JP)
Title: Child seat
Inventor: OGINO HIROYUKI
IPC: B60N2/26
Filed: 2000-03-01
Abstract: PROBLEM TO BE SOLVED: To solve the problem on a conventional child seat that an infant is unnecessarily pressed by the excessive fastening of a child seat belt, thus causing the discomfort and the interruption in blood circulation and breathing. SOLUTION: Since a pressure detecting means 3 for detecting the pressure to be applied to the infant using the child seat 1 is mounted in a chest pad 2, the pressure applied to the infant can be detected, and a driver or a guardian can know the existence of the unnecessary pressure to the infant.
Patent JP-2001242950-A (JP)
Title: Shift lever
Inventor: YAMAMOTO ICHIRO
IPC: G05G1/04
Filed: 2000-03-02
Abstract: PROBLEM TO BE SOLVED: To provide the easy-manufactured shift lever which cuts the time and cost with the highly and intensity. SOLUTION: The shift lever 10 has the supporting point 3, which has the projected spheric outer peripheral base molded resins to cover its combining site 5 in the operation lever 1 with which units the action of axle 2 including the action of point 4. The supporting point 3 is fitted and swingably supported on the bearing member 6 which has the fecessed spheric inner peripheral fase corresponding to the outer peripheral base of the supporting point 3.
Patent JP-2001248708-A (JP)
Title: Rolling device
Inventor: SAITO TAKESHI
IPC: F16H25/24
Filed: 2000-03-03
Abstract: PROBLEM TO BE SOLVED: To provide a rolling device having a long life and a low cost by improving the lubricity of the metal rolling device and improving wear resistance, flaking resistance and heat resistance. SOLUTION: In a ball screw, for example, as the rolling device, a nut 12 as an outward member and a screw shaft 11 as an inward member are relatively moved to an axial direction with the rolling of a plurality of rollers 13 inserted therebetween. A fine nitride layer is formed on the completed surface of at least the roller 13 of the rolling device and covered with a coat consisting of a fluoropolymer having functional groups and a lubrication film consisting of PFPE is further formed on the coat.
Patent JP-2001249736-A (JP)
Title: Hard disk unit and computer device with the unit built-in
Inventor: WATANABE SHINTARO
IPC: G11B33/14
Filed: 2000-03-07
Abstract: PROBLEM TO BE SOLVED: To improve the mounting efficiency of a hard disk while improving its cooling efficiency. SOLUTION: A first thermal conduction material 2 for conducting heat generated from a DE face of a hard disk 1 is brought into close contact with and fixed to the DE face of the hard disk 1, and second thermal conduction materials 4 for conducting heat conducted by the first thermal conduction material 2 and heat generated from a base plate 3 face of the hard disk 1 are brought into close contact with and fixed to at least one side face other than the front side and back side of the hard disk 1, and wind from a cooling fan is blown to the second thermal conduction materials 4 so that the hard disk 1 can be cooled.
Patent JP-2001254246-A (JP)
Title: Three-dimensional woven fabric and method for producing the same
Inventor: KUMAGAI TEIZO
IPC: D03D25/00
Filed: 2000-03-09
Abstract: PROBLEM TO BE SOLVED: To provide the subject woven fabric having a curved portion and so designed as to keep the space between upper and lower cloths constant and link connective yarns to both the upper and lower cloths, and to provide a method for producing such a woven fabric. SOLUTION: This three-dimensional woven fabric having a curved portion is composed of an upper cloth 1 and a lower cloth 2 and connective yarns 3 linked to both the upper and lower cloths 1 and 2. The connective yarns situated at the curved portion extend toward the center of the curvature of the curved portion, thereby the space between the upper and lower cloths is kept constant. The other objective method for producing such a three-dimensional woven fabric comprises the following two steps: the surfaces, facing each other, of a formwork having a curved portion and a specified thickness are provided with an upper cloth and a lower cloth, respectively; and connective yarns are threaded toward the center of the curvature of the curved portion and set onto both the upper and lower cloths. This three-dimensional woven fabric thus obtained affords such an advantage that a polymeric bag with a curved portion, high in mechanical strength of the connective yarns and constant in hollow portion height can be produced by providing rubber layers on the inner (and outer) surface(s) of the above woven fabric and the yarns.
Patent JP-2001255763-A (JP)
Title: Fixing device for electrophotographic device
Inventor: TAKAYASU HIDENORI
IPC: G03G15/20
Filed: 2000-03-10
Abstract: PROBLEM TO BE SOLVED: To provide a fixing device for an electrophotographic device capable of changing suction force according to the kind of paper to be used, making paper restricting force to a preliminary heating device constant and securing stable paper traveling and fixing strength regardless of the kind of the paper. SOLUTION: A valve 31 is actuated by a motor 32 based on the kind of the paper to be used.
Patent JP-2001252524-A (JP)
Title: Method and apparatus for controlling absorbing liquid of decarbonation equipment
Inventor: ISHIDA KAZUO
IPC: B01D53/34
Filed: 2000-03-10
Abstract: PROBLEM TO BE SOLVED: To provide a method and apparatus for controlling an adsorbing liquid of decarbonation equipment, constituted so as to automatically and properly keep the concentration of an amine. SOLUTION: A washing part circulating water return temperature regulation means 52 or a cooling tower circulating water return temperature regulation means 61 is controlled by a tower bottom liquid surface regulation means 51 and washing part circulating water return temperature is regulated to adjust the concentration of the amine in the absorbing liquid.
Patent JP-2001255885-A (JP)
Title: Speech browser system
Inventor: IWANAGA TOMOHIRO
IPC: G10L15/28
Filed: 2000-03-13
Abstract: PROBLEM TO BE SOLVED: To provide a speech browser system capable of being conducted even by a system having a low capacity memory and small in the load applied to a CPU. SOLUTION: A client is provided with a means 11 which obtains HTML data from a server, a means 12 which extracts speech recognition dictionary data of link correspondence words transferred from the server together with the HTML data, a speech recognition means 15 which conducts speech recognition of the link correspondence words by using the speech recognition dictionary data, and a means 11 which extracts corresponding URL information based on the link information outputted from the means 15 and requests HTML data corresponding to the URL information.  A server has a means 24 which obtains the HTML data from the URL information specified by the client, a means 25 which extracts the link correspondence words from the HTML data, a means 26 which extracts the speech recognition dictionary data corresponding to the link correspondence words from the speech recognition dictionary data and a means 24 which the data generated by integrating the HTML data and the speech recognition dictionary data are transmitted to the client.
Patent JP-2000327976-A (JP)
Title: Ink composition for inkjet textile printing
Inventor: TANIGUCHI MAKOTO
IPC: C09D11/328
Filed: 2000-03-13
Abstract: PROBLEM TO BE SOLVED: To obtain an ink composition satisfying various properties required for the ink composition for inkjet textile printing at high level, and capable of actualizing a good inkjet textile printed image, and further to provide a method for printing a textile by the inkjet printing. SOLUTION: An ink composition comprising an acid dye, a surfactant, water and at least one kind of the compound represented by the formula (EP1, EP2 and EP3 are each independently ethyleneoxy group or propyleneoxy group; l+m+n is a natural number of 1 or more) and having <=8.0 m.Pa.s viscosity (at 20 deg.C) is printed on a textile by a piezoelectric oscillator-type inkjet recording head.
Patent JP-2001316311-A (JP)
Title: Highly pure 1,5-pentanediol
Inventor: KONISHI MITSUO
IPC: C08G18/32
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To produce 1,5-pentanediol free from impurities to lower the polymerization reaction rate in the case of using the diol as a soft segment of polycarbonate diol and polyester polyol or as a chain extender as it is for a raw material of polyurethane, polyester resin, etc. SOLUTION: The 1,5-pentanediol contains <=0.1 wt.% each of 1,5-hexanediol and 1,4-dihydroxycyclohexane. The 1,5-pentanediol can be produced by the direct hydrogen reduction of a dicarboxylic acid mixture in the filtrate obtained by the crystallization and separation of adipic acid.
Patent JP-2001252511-A (JP)
Title: Steam separator
Inventor: YAMAMOTO KENSUKE
IPC: B04C5/10
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a steam separator that does not cause lowered gas-water separation capacity even if an abrasive powder such as hard scale or the like penetrates in the separator main body, capable of preventing the generation of wear in the inner surface of a lower end plate and the inner surface of a drain pipe stand and capable of achieving the simplification of construction and cost reduction in the case of the remodeling of an existing steam separator. SOLUTION: A cone-shaped abrasive powder collector 31 which has the drain port 29 communicating with the drain pipe stand 28 bored in the bottom part thereof and is provided with a large number of abrasive powder passing holes 30, is arranged to the inner surface of a lower end plate 25 so that an abrasive powder collection region 32 is formed between the abrasive powder collector 31 and the inner surface of the lower end plate 25.
Patent JP-2001258089-A (JP)
Title: Ultrasound driver and ultrasound surgical device
Inventor: SAKURAI TOMOHISA
IPC: A61B17/32
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide an ultrasound driver, that can simply and surely drive an ultrasonic wave vibrator with a desired frequency through digital signal processing. SOLUTION: The ultrasonic wave driver 1 is provided with a digital oscillation circuit 3, that drives an ultrasonic wave vibrator 2 at its resonance point, an AMP 5 that amplifies a drive signal from the digital oscillation circuit 3, a detection circuit 5 that detects a voltage signal phase θv and a current signal phase θi from a drive signal which is supplied to the ultrasonic wave vibrator 2 via the AMP 4, a phase difference detecting circuit 6 that detects a phase difference between the voltage signal phase θv and the current signal phase θi, a register 7 that stores and changes digital frequency data deciding the oscillated frequency of the digital oscillation circuit 3, a data transmission circuit 8 that gives digital frequency data to the register 7 a switching circuit 9, that is provided between the phase difference detection circuit 6 and the register 7.
Patent JP-2001264825-A (JP)
Title: Optical packet buffer
Inventor: SAKAMOTO TAKASHI
IPC: H04B10/291
Filed: 2000-03-16
Abstract: PROBLEM TO BE SOLVED: To remove instability caused by oscillation by avoiding the going around of the same wavelength by using a wavelength transducer, to realize miniaturization and integration, and to provide an optical packet buffer which can deal with also the packet with an arbitrary length. SOLUTION: Signal light from an optical waveguide 103 for input and signal light from a delay loop optical waveguide 102 are multiplexed with an optical coupler 109, are inputted in an array waveguide grating 105 for optical demultiplexing to be branched. Signal light is then outputted to a prescribed output port according to the wavelength of signal light, and is inputted in each wavelength transducer 101a-d. The wavelength of each signal light is transformed into a first wavelength or second wavelength by each wavelength transducer, and the signal light from each wavelength transducer is multiplexed by an array waveguide grating 106 for optical multiplexing. The signal light of the first wavelength is outputted to the delay loop optical waveguide 102, and the signal light of the second wavelength is outputted to the optical waveguide 104 for output.