baber/WOPTO huggingface dataset:
Patent JP-2002341952-A (JP)
Title: Band gap reference voltage circuit
Inventor: KOYASU TAKAHISA
IPC: H03F1/30
Filed: 2001-05-15
Abstract: PROBLEM TO BE SOLVED: To reduce operating current as preventing degradation of temperature characteristics due to dispersion of characteristics to be generated in a manufacturing process. SOLUTION: In this band gap reference voltage circuit 11 to be composed of a constant current circuit 12, a constant voltage circuit 13, a band gap cell circuit 14, an operational amplifier 15 and a current folding circuit 16, an input transistor of the operational amplifier 15 is composed of MOS transistors Q20, Q21 and input bias current is made to be sufficiently smaller than bias current of the band gap cell circuit 14. Together with this, resistance vales of resistors R14, R15, R16 are enhanced.
Patent JP-2002340100-A (JP)
Title: Toothed belt
Inventor: SEKI NAMIKO
IPC: F16G1/28
Filed: 2001-05-16
Abstract: PROBLEM TO BE SOLVED: To provide a toothed belt of such a structure that S-twist core wires and Z-twist core wires are embedded alternately in the direction of belt width, whereby it is possible to suppress the twist originating from the untwisting force of the core wire, to set on an apparatus smoothly, and preclude deviation from the center when running and also the deterioration of the image as commercial goods. SOLUTION: The toothed belt 1 is structured so that S-twist core wires and Z-twist core wires are embedded alternately in the direction of belt width, wherein the difference in the number of the S-twist core wires 6 and Z-twist core wires 7 in a cross section perpendicular to the belt longitudinal direction is made below 0.5.
Patent JP-2002338580-A (JP)
Title: Method for producing tetraallylsilane
Inventor: SADAYORI NAOKI
IPC: C07F7/08
Filed: 2001-05-17
Abstract: PROBLEM TO BE SOLVED: To produce tetraallylsilane without passing through an allyl metal compound which is an intermediate. SOLUTION: This method for producing tetraallylsilane is characterized by reacting silicon tetrachloride with a halogenated allyl compound in the presence of metal magnesium in an organic solvent.
Patent JP-2002340159-A (JP)
Title: Oil pump device
Inventor: NAGASHIMA NOBUYUKI
IPC: H02K9/19
Filed: 2001-05-18
Abstract: PROBLEM TO BE SOLVED: To provide a compact and efficient oil pump device. SOLUTION: A rotary shaft of an oil pump motor 50 is extended in both sides thereof, and a power steering oil pump 52 and an oil pump 54 for ATF are fitted to both the ends. With this structure, one oil pump motor 50 can drive both of the power steering oil pump 52 and the oil pump 54 for ATF.
Patent JP-2002342438-A (JP)
Title: Portable terminal device
Inventor: HAKETA TAKUYA
IPC: G06Q30/06
Filed: 2001-05-18
Abstract: PROBLEM TO BE SOLVED: To reduce the re-holding frequency of a device main body in operation for batch inputting the product codes of a plurality of products and the quantity of them. SOLUTION: This device is provided with a storage part obtained by forming an area for storing the product codes of the respective products and the quantity of them corresponding to each other. When the product codes of the plurality of products are inputted consecutively through a product code input part, the product codes of the plurality of products are stored in the storage part in the order of inputting. When the finish of consecutive inputting of the product codes is instructed, inputting of the quantity of the products of the number of the product codes inputted consecutively through the product code input part is received. Whenever the quantity of the products is inputted through the product code input part, the quantity of the products is stored in the storage part in an inputting order or in an order opposite to it.  When the quantities of the products respectively corresponding to the product code inputted successively through the product code input part are all inputted through a product quantity input part, data stored in the storage part can be outputted.
Patent JP-2002346642-A (JP)
Title: Apparatus and method for forming cylinder groove of gas cylinder device
Inventor: KURAMOCHI MASAMI
IPC: B21D51/18
Filed: 2001-05-18
Abstract: PROBLEM TO BE SOLVED: To bring a starting point of a cylinder groove close to a closed end of cylinder in a gas cylinder device. SOLUTION: In a forming method of the cylinder groove 1A of the gas cylinder device, a guiding member 20 is moved in the axial direction of the cylinder 1, toward the closed end of the cylinder 1, to the cylinder 1 and a sliding member 30. A guided jig 31 of a sliding member 30 on a sub-guiding face 22 of the guiding member 20 positioned in the closed end side of the cylinder 1, is guided along a upward slope of the sub-guiding face 22 so that a forming roller 32 of the sliding member 30 is pressed against the internal face of the cylinder 1 forming a starting point 1B of the cylinder groove 1A.
Patent JP-2002338550-A (JP)
Title: Method for 6,7-dioxyquinazolone derivative production
Inventor: SHIRAI MASASHI
IPC: C07D491/056
Filed: 2001-05-21
Abstract: PROBLEM TO BE SOLVED: To obtain a 6,7-dioxyquinazolone derivative production from a 4,5- dioxyanthranilic acid ester derivative in a high yield and to provide an industrially preferable method for 6,7-dioxyquinazolone derivative production. SOLUTION: This method for 6,7-dioxyquinazolone derivative production is characterized in that a 4,5-dioxyanthranilic acid ester derivative is reacted with formamide in the presence of an acid or a base catalyst.
Patent JP-2002343491-A (JP)
Title: Shield connector
Inventor: KOYATA KEN
IPC: H01R13/52
Filed: 2001-05-21
Abstract: PROBLEM TO BE SOLVED: To provide a shield connector of reduced cost, by simplifying the electrical connection of a shield system and reducing the number of parts. SOLUTION: The shield connector comprises a female connector 16, provided with a female terminal 34 press-bonded with a core wire 12a of a shielded electric wire 12 and a male connector 14 provided with a male terminal 24 connected with the female terminal 34. The male connector 14 has a male housing 50, attached to an inner side of a shield case 10a of an electrical apparatus 10. The female connector 16 has a rubber packing 56, attached to an outer circumference of a shield layer 12c of the shielded electric wire 12, with the front face pressed against the shield case 10a. The shield layer 12c and the shield case 10a are made to contact directly, by pressing the rubber packing 56 against the shield case 10a in a state of an end part of the shield layer 12c expansively opened to the front face of the rubber packing 56.
Patent JP-2002340593-A (JP)
Title: Navigation system
Inventor: WATANABE MITSUAKI
IPC: G09B29/10
Filed: 2001-05-22
Abstract: PROBLEM TO BE SOLVED: To provide a navigation system capable of easily retrieving a location which has previously been visited before. SOLUTION: The navigation system is provided with a storage medium 3 for storing map data, a part 10 for detecting the state of a motor vehicle for detecting the stoppage of the motor vehicle, an information acquiring part 4 for acquiring information on the motor vehicle, a data holding part 9 for storing the information acquired by the information acquiring part 4, and a control part 9 for acquiring the information on the motor vehicle, when the part 10 for detecting the state of the motor vehicle detects the halting of the motor vehicle from the information acquiring part 4 and them storing it in the data holding part 9.
Patent JP-2002343429-A (JP)
Title: Nonaqueous electrolyte secondary battery
Inventor: KURANAKA SATOSHI
IPC: H01M10/0567
Filed: 2001-05-22
Abstract: PROBLEM TO BE SOLVED: To provide a large-capacity nonaqueous electrolyte secondary battery which is superior safety under high temperature conditions, when it is overcharged. SOLUTION: In the nonaqueous electrolyte secondary battery, an electrolyte is added with at least one among diphenyl ether, bis(p-tolyl)ether, and 3- phenoxytoluene, and a separator 4 has its air permeation resistance of <=400 s/100 ml in initial state, and 350-700 s/100 ml and 700-2,100 s/100 ml that are values obtained by measuring immediately, after 15 minute of storage in an atmosphere of 110 deg.C or 120 deg.C, respectively while applying a tensile load of 25 kg/cm<2> to the separator in a MD.
Patent JP-2002347023-A (JP)
Title: Method for kneading rubber
Inventor: HATAKEYAMA AKIRA
IPC: B29B7/18
Filed: 2001-05-23
Abstract: PROBLEM TO BE SOLVED: To provide a method for kneading a rubber in a low cost apparatus by facilitating a dispersion of the rubber in a filler with high productivity of kneading without necessity of repeating kneading. SOLUTION: The method for kneading the rubber comprises a step (A) of mixing the rubber containing the filler by a kneading mixer, a step (B) of forming a rubber sheet of the kneaded rubber discharged from the mixer by a sheeting roll, and a step (C) of passing the rubber sheet between a pair of opposed front and rear waveshape rolls respectively having many strips of grooves on the surfaces in a rotating direction so that a protruding surface and a recess surface for constituting grooves of the respective rolls are opposed to set a thickness of the sheet to 1/3 or less.
Patent JP-2002346597-A (JP)
Title: Method and apparatus for treating organic waste
Inventor: HATAKEYAMA SHUICHIRO
IPC: B09B3/00
Filed: 2001-05-24
Abstract: PROBLEM TO BE SOLVED: To accelerate the methane fermentation of excretions while enabling the composting of long straws in the treatment of livestock waste, or the like. SOLUTION: Waste based on livestock waste is subjected to methane fermentation in a methane fermentation tank to recover methane gas, which is, in turn, adapted to the generation of electricity and/or the utilization of heat, and liquid fertilizer is manufactured from the slurry obtained after methane fermentation treatment. As the pretreatment of livestock excretions, feces mixed with straws and urine are received in one receiving tank and, thereafter, a suspension of straws and excretions is sent into a scraping machine for scraping up straws to separate them and the straws separated by the scraping machine are subjected to solid-liquid separation and subsequently fermented to obtain compost.  A part of excretion containing no straws and much in liquid component is sent to a methane fermentation process and the remainder thereof is returned to the receiving tank on the upstream side of the scraping machine to be circulated.
Patent JP-2002345649-A (JP)
Title: Lid part heat insulation structure for electric pot
Inventor: TSURU TAKESHI
IPC: A47J41/02
Filed: 2001-05-25
Abstract: PROBLEM TO BE SOLVED: To provide the lid part heat insulation structure of an electric pot improving the heat insulation effect of a lid body by forming an annular recessed part at the lid lower member of the lid body. SOLUTION: The lid part heat insulation structure of the electric pot is provided with a lid upper member made of a synthetic resin forming an outer peripheral surface, a lid lower member made of the synthetic resin forming an inner peripheral surface, a metallic inner lid member arranged on the inner side of the lid lower member, a pressurizing member arranged at the almost center part of the lid upper member and a bellows provided below the pressurizing member. The lid lower member constituting the outer peripheral member of the bellows is recessed in the direction of the pressurizing member and the annular recessed part is formed.
Patent JP-2002346433-A (JP)
Title: Method and device for sorting plastic by vibration
Inventor: SAEKI NOBUTO
IPC: B03C7/04
Filed: 2001-05-28
Abstract: PROBLEM TO BE SOLVED: To provide a method and a device capable of accurately sorting even if mixed particles have small particle diameters. SOLUTION: A mixture of particles, which is supplied to a separation space 9, is electrostatically charged, by impressing a high-voltage to a vibrating electrode plate 3a, made inclined at a predetermined angle, and to a needle-shaped electrode 31b placed over the electrode plate 3a through a separation space 6 to discharge ion, and is attracted to the vibrating electrode plate 3a. Then, particles of a conducting material are neutralized by coming into contact with the electrode plate 3a and then are electrostatically charged in homopolarity with the electrode plate 3a. Accordingly, when the electrode plate 3a is vibrated, the particles of the conducting material repelling the electrode plate 3a are hardly influenced by carrying force of vibration and slip down in the dipping direction by gravitaty.  Plastic particles attracted and biased to the electrode plate 3a are carried in the carrying direction by the vibration of the electrode plate 3a. Thereby, the plastic particles and the particles of the electric conductor are carried in the different directions and separated.
Patent JP-2002353183-A (JP)
Title: Wafer-cleaning device
Inventor: HARADA MICHIYUKI
IPC: B08B3/08
Filed: 2001-05-28
Abstract: PROBLEM TO BE SOLVED: To improve cleaning efficiency by controlling the brush contact pressure in a cleaning device on the basis of the rotation speed of a wafer. SOLUTION: In a wafer-cleaning device provided with a plurality of rotary rollers 1 rotating the wafer W, while holding it, two rotary brushes 2 capable of clamping the wafer W held by the rotary rollers 1 from front and back surfaces and a liquid supply means 3 supplying cleaning liquid to the rotary rollers 1 and the rotary brushes 2, a measuring means 4 measuring the rotation speed of the wafer W, without contacting and an interval adjusting means 5 changing the interval of the rotary brushes 2A and 2B are provided. Also, the interval adjusting means 5 is operated, corresponding to the rotation speed of the wafer W measured by the measuring means 4 and the contact pressure to the wafer W of the rotary brushes 2A and 2B is controlled.
Patent JP-2002346940-A (JP)
Title: Rope strand bending tool
Inventor: WAKEZONO MASAKATSU
IPC: B25B7/14
Filed: 2001-05-28
Abstract: PROBLEM TO BE SOLVED: To provide a rope strand bending tool enabling a worker to easily bend a rope strand, and capable of easily conducting rope end processing while saving labor. SOLUTION: This rope strand bending tool comprises a plier mechanism 3 structured by making a pair of members intersect each other and pivotally fixing an intersecting portion thereof, and a pair of strand gripping portions 4 provided at opposite parts of first ends of the members 1 and capable of gripping a rope strand S.
Patent JP-2002357065-A (JP)
Title: Screen shutter for fire and smoke prevention
Inventor: HONMA MASAHIKO
IPC: A62C2/10
Filed: 2001-05-31
Abstract: PROBLEM TO BE SOLVED: To provide a screen shutter for fire and smoke prevention, by which a seat board is not floated even when a screen body is pushed and fire and smoke preventive functions are maintained while a refuge port is opened surely by pushing an open-close door and in which the seat board is not an obstacle to refugees. SOLUTION: A screen 11 in which the seat board 24 is installed at the lower end of the noncombustible or fire-resistive flexible screen body 12 is suspended from a ceiling 30 and the internal space of a building is partitioned. The screen 11 has a stepping-pressure sheet 26, and the stepping-pressure sheet 26 prevents the floating of the seat board 24 by stepping. The open-close door 16 is mounted on the screen 11, and the stepping-pressure sheet 26 is secured around at least the open-close door 16.
Patent JP-2002363319-A (JP)
Title: Polyimide film, its production method, and polyimide/metal laminate and flexible printed circuit board each prepared by using the polyimide film
Inventor: YABUTA KATSUNORI
IPC: H05K3/06
Filed: 2001-05-31
Abstract: PROBLEM TO BE SOLVED: To provide a polyimide/metal laminate and a flexible printed circuit board each of which operates while retaining its performance even under severe conditions of high temperature and humidity and hence is suitable for an electric instrument circuit. SOLUTION: A polyimide film is prepared by immersing a partially cured and/or partially dried polyamic acid film in a solution of a polyamic acid and/or a polyimide containing 0.1-30 wt.% metal compound or by coating a partially cured and/or partially dried polyamic acid film with a solution of a polyamic acid and/or a polyimide containing 0.1-30 wt.% metal compound, and then converting the remaining amic acid into a polyimide. Thus obtained polyimide film gives a polyimide/metal laminate which has such an improved environmental resistance that the adhesive strength of 1 mm pattern width after the exposure to an environment with 100% RH at 121 deg.C for 96 h is at least 60% of the adhesive strength before the exposure.
Patent JP-2002031785-A (JP)
Title: Aspheric spectacle lens
Inventor: YAMAKAJI TETSUMA
IPC: G02C7/02
Filed: 2001-06-04
Abstract: PROBLEM TO BE SOLVED: To provide an aspheric spectacle lens of which diopter can be easy measured approximately equally to a spherical spectacle lens, which is less degraded in performance by assuring an permissible level of eccentricity and has excellent wearing stability. SOLUTION: In the method for designing the single-focus aspheric spectacle lens which has a pair of refraction surfaces of a first surface and a second surface and in which the first refraction surface has an aspheric surface and the other refraction surface has a spherical surface, the initial shape of the aspheric spectacle lens is determined in a designing step and the astigmatism or power error when the lens is not eccentric and the astigmatism or power error when the lens is eccentric when the shape of the aspheric spectacle lens is changed by a prescribed amount are calculated by ray tracing and the optimization of the aberration correction of the lens by the eccentricity described above is performed, by which the shape of the lens is determined.
Patent JP-2002361566-A (JP)
Title: Diamond saw wire and method of manufacturing the saw wire
Inventor: YAMADA HIROSHI
IPC: B24D11/00
Filed: 2001-06-08
Abstract: PROBLEM TO BE SOLVED: To provide a diamond saw wire suitable for mass-production, inexpensive, and capable of uniformly diffusing, covering, and firmly fixing diamond abrasive grains with high percentage content, and a method of manufacturing the saw wire. SOLUTION: Metal wire 2 such as stainless steel wire is taken out of a letting-out machine 5 and immersed in a bath having molten indium 4 containing diamond abrasive grain 3 in a tank 6. Then the metal wire is taken out by a taking-in machine 7 to pull up the wire through a die 8 to firmly cover the diamond abrasive grain 3 on the surface of the wire by using, as a binder, indium (In) having an excellent wettability for the diamond abrasive grain 3 at a low temperature.
Patent JP-2002367689-A (JP)
Title: Branching connector
Inventor: YOSHIDA TOSHIKI
IPC: H01R4/38
Filed: 2001-06-12
Abstract: PROBLEM TO BE SOLVED: To provide a branching connector in which the filling material is steadily held and insulation can be maintained securely. SOLUTION: In the branching connector 1, at least one of the covers 2, 4 has a branching conductor 18 that is covered by an insulating elastic body 20, and both ends of the branching conductor 18 face a main line holding part 14 and a branch line holding part 16 respectively, and the main line holding part 14 and the branch line holding part 16 of a pair of covers 2, 4 are opposed to each other and tightened by a connecting bolt, thereby, the main line and the branch line are made conducted through the branching conductor 18. The insulating elastic body 20 has two cavities that are formed at the main line holding part 14 and the branch line holding part 16 respectively, and the both ends of the branching conductor 18 are exposed to the bottom part of the above each cavity respectively.
Patent JP-2002372301-A (JP)
Title: Hot water supply system, building unit with hot water supply system and unit building with hot water supply system
Inventor: FUKUDA SHINYA
IPC: F24H1/00
Filed: 2001-06-12
Abstract: PROBLEM TO BE SOLVED: To provide a hot water supply system using refrigerant except chlorofluorocarbon for a heat pump and having good thermal efficiency, a building unit with the hot water supply system and a unit building with the hot water supply system without the need for installing a hot water storage tank or the like using this hot water supply system after execution of works. SOLUTION: This is a hot water supply system using a heat pump. This hot water supply system has such a structure as to use the heat generated at the time of compressing and condensing carbon dioxide for the refrigerant of the heat pump for hot water supply.
Patent JP-2002373916-A (JP)
Title: Mounting method for semiconductor device
Inventor: NAKADA MASAKAZU
IPC: H01L21/56
Filed: 2001-06-13
Abstract: PROBLEM TO BE SOLVED: To provide a highly reliable semiconductor device mounting method for connecting a semiconductor device to wiring on a substrate. SOLUTION: This mounting method is provided with the process of providing a hole 7 on the wiring 4 formed on the substrate 2, the process of filling conductive paste 5 in the hole 7, and the process of inserting the bump electrode 3 of the semiconductor device 1 to the hole 7 filled with the paste 5 and connecting it. In the mounting method, since the conductive paste 5 is filled in the hole 7 formed on the substrate wiring 4 without directly transferring the conductive paste to the bump electrode 3, the conductive paste 5 is inserted to the hole 7 for a more appropriate amount. Also, since the conductive paste 5 wraps the electrode 3, the possibility of the connection defect of the electrode (bump electrode 3) of the semiconductor device 1 and the wiring 4 on the substrate 2 is accurately suppressed.
Patent JP-2002373444-A (JP)
Title: Optical pickup device and information recording/ reproducing device
Inventor: HIRAI HIDEAKI
IPC: G11B7/085
Filed: 2001-06-13
Abstract: PROBLEM TO BE SOLVED: To attain stable detection of spherical aberrations which is hardly affected by the change of environment, such as lapse of time or temperature, by arranging a light-shielding means using a liquid crystal element, in a nearly parallel light path without increasing the number of photodetectors, and to realize lowering of cost by reducing the number of components and the assembling process. SOLUTION: The optical system is operated, in such a manner that laser beams from a semiconductor laser 2 are reflected by a multilayer information recording medium 1 through a beam splitter 4 and an objective lens 6, and the reflected beams are deflected by the beam splitter 4, and the center area or the peripheral area of the reflected beam is polarized by a rotating means 7, and either one of the center area or the peripheral area is made incident on the photodetector 10 by a polarizing plate 8; then the reflected beam of the peripheral area is detected, after the reflected beam of the center area is detected, and on the basis of the difference between both beams, a spherical aberration signal is produced by a spherical aberration control circuit 13, and a spherical aberration correcting means 12 is driven on the basis of this signal.
Patent JP-2002370027-A (JP)
Title: Columnar titanium oxide crystal photocatalyst material and applied article thereof
Inventor: KUDO TAKESHI
IPC: B01J35/02
Filed: 2001-06-15
Abstract: PROBLEM TO BE SOLVED: To provide a photocatalyst material which can exhibit high photocatalysis. SOLUTION: A sol of an organometallic compound or an inorganic compound is applied to crystal nuclei 2 formed on the curved surface of a cylindrical support 1 and is solidified and heat-treated to grow titanium oxide crystals in a columnar crystal form on the nuclei 2. By using a cylindrical support of a radius of at most 50 μm as the cylindrical support 1 for forming columnar crystals 3, the columnar crystals 3 can be highly densely formed to realize a highly active photocatalytic function.