baber/WOPTO huggingface dataset:
Patent JP-2004292288-A (JP)
Title: Method for melting raw material for silicon single crystal
Inventor: OOTO YASUHIRO
IPC: C30B15/00
Filed: 2003-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for melting a raw material for a silicon single crystal, by which the heat amount that a quartz crucible receives from a heater can be reduced and the conversion of the inner face of the crucible into cristobalite can be suppressed.  <P>SOLUTION: When the raw material for the silicon single crystal in the crucible is melted, the raw material for the silicon single crystal is melted under such a condition that a radiation heat shielding member for suppressing heat dissipation into a radiation screen is suspended in the radiation screen. The raw material for the single crystal is melted by using the radiation heat shielding member having a lower side surface area within a range of 50-80% of the area of the opening part at the lower end of the radiation screen.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004298396-A (JP)
Title: Clip for hanging object to be dried
Inventor: HAYASHI KEN
IPC: D06F57/00
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To adjust a clip attachment position as necessary, and also to firmly secure a clip attachment state to wire.  <P>SOLUTION: Each hook part 11 includes a cut groove 11a obtained by cutting a clip main body 1. The wire W is inserted from the open end 11b of the cut groove 11a into the cut groove 11a, so as to hook the wire W into the clip main body 1. Fitting bodies 2 include first and second holding boards 20, 21, and are fitted by respectively holding the hook parts 11 of the clip main body 1 between the first and second holding boards 20, 21. The second holding board 21 of the fitting bodies 2 is divided into two by a cut groove 21a to allow the wire W to be inserted between the second and first boards 21, 20. While the fitting bodies 2 are fitted to the hook parts 11 of the clip main body 1, at least the open end 11b of the cut groove 11a in the hook part 11 is covered from a side part.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004303591-A (JP)
Title: Nonaqueous electrolyte secondary battery
Inventor: IWAMI ANTEN
IPC: H01M4/36
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery composed by improving degradation of capacity restoration performance after low-temperature charging when only heterogeneous element-added lithium cobaltate is used.  <P>SOLUTION: This nonaqueous electrolyte secondary battery uses lithium cobaltate as a positive electrode active material, and carbon as a negative electrode active material. Lithium cobaltate formed of a mixture of one kind of lithium cobaltate with a heterogeneous element added and another kind of lithium cobaltate without a heterogeneous element added is used for the lithium cobaltate. The mixing ratio of the lithium cobaltate with a heterogeneous element added to the lithium cobaltate without a heterogeneous element added is in the range of 9.5:0.5-6.5:3.5, and preferably 9:1-7:3 in a mass ratio. At least one kind selected from Zr, Ti and F is preferably used as the heterogeneous element.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004309661-A (JP)
Title: Fixing device and image forming apparatus loaded with it
Inventor: EGI MAKOTO
IPC: G03G15/20
Filed: 2003-04-03
Abstract: <P>PROBLEM TO BE SOLVED: To prevent offset to the following sheet of paper by thoroughly eliminating toner even when the toner stays in a web nip by continuous paper feed in a fixing device where the surface of a fixing member is cleaned by a cleaning web.  <P>SOLUTION: A fixing device is provided with: a fixing roll 51 integrating a heat source; and a press roll 52 also integrating a heat source and forming a fixing nip by being brought into press contact with the fixing roll 51. The cleaning web 60 which is rolled out from a rolling out reel 61 and rolled up to a rolling up reel 62 is brought into contact with the fixing roll 51 to form a web nip 64. A web feeding device 65 rotates the rolling up reel 62 and imparts a specified amount of feeding to the cleaning web 60. When continuous paper passing of more than a specified number of sheets is carried out, the web feeding device 65 imparts additional feeding of the specified amount to the cleaning web 60 after the device 65 passed the final sheet of paper P and before the movement of the fixing roll 51 is stopped.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004312853-A (JP)
Title: Vehicle drive unit and vehicle driving system
Inventor: SHIMIZU HISAYA
IPC: B60L50/16
Filed: 2003-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To omit a wire harness such as a power cable, etc., and improve power loss, in a vehicle driving system of engine/electric motor composite type.  <P>SOLUTION: Part 1 of wheels are driven with an engine 3. Wheels 2 other than the wheels driven with the engine 3 are driven with a dynamo-electric machine 4. The dynamo-electric machine 4 is driven as an electric motor for wheel drive to assist an engine drive system when the travel load is as large as that at start or at climbing up a slope. In vehicle drive, there is an operation range where it does not need electric assistant drive such as the time of low/middle load travel or deceleration. At this time when the assistance is needless, the dynamo-electric machine is functioned as a generator so as to convert the mechanical energy from the wheels into electrical energy. The dynamo-electric machine 4, an inverter 7, a capacitor 11, and a controller 18 are unitized integrally, and the unit is attached to a differential gear 5.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004263528-A (JP)
Title: Lightweight fireproof structure with wall magnification
Inventor: KUMASAKA SADAO
IPC: E04C2/36
Filed: 2003-03-03
Abstract: <P>PROBLEM TO BE SOLVED: To realize a lightweight fireproof structure with a fire resistance capacity of 30 min or more, a wall area index of 1.0 or more, and a one-side thickness of 25-35 mm or less.  <P>SOLUTION: Various types of honeycomb-structure paper materials, an aluminum plate, a synthetic resin plate, wooden plywood and the like impregnated with or coated with a fireproof agent mainly composed of soluble silicates, and various types of heat insulating materials such as glass wool and rock wool if necessary, are integrated with a noncombustible board having a glass fiber as a facing material, composed mainly of magnesium carbonate and having a thickness of 2.4 mm or more into a unit structure. A sandwich structure is formed by inserting the various insulating substrates to dispose the noncombustible boards with the thickness of 2.4 mm or more on both sides. The structure with the fire resistance efficiency of ≥30 min and ≤3 hours is realized. Because the strength of the various insulating substrates is added, a wall are index, which is a disadvantage of a conventional structure mainly composed of an inorganic board heretofore, of not less than 1.0 is attained so that the lightweight structure can be designed. The fire resistance efficiency of ≥1 hour and ≤3 hours can be realized by designing the thickness of the noncombustible board and the selection/combination of the insulating substrates.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004265363-A (JP)
Title: Gas pressure reducing valve
Inventor: ANDO AKIRA
IPC: G05D16/06
Filed: 2003-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a gas pressure reducing valve keeping a secondary outlet pressure constant substantially by arranging two springs, each of which has a spring constant smaller than that for a single spring arrangement, in series and regulating a pressure by a diaphragm.  <P>SOLUTION: This gas pressure reducing valve is provided with a first retainer and a second retainer between the diaphragm and an upper housing, and an area between the first retainer and the diaphragm is energized by a first spring, while an area between the first retainer and the second retainer is energized by a second spring having an outside diameter smaller than that of the first spring.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004307390-A (JP)
Title: Method for producing steroid compound
Inventor: OYAMA KIYOSHI
IPC: C07B61/00
Filed: 2003-04-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for simply producing a steroid compound such as lithocholic arid, ursodeoxycholic acid, chenodeoxycholic acid, glycodeoxycholic acid, taurodeoxycholic acid useful in medicines, food chemical industries, or the like.  <P>SOLUTION: 3β-Acetoxy-5-cholen-7-on-24-oic acid-methyl ester as a steroid compound which has an oxygen functional group at the 3-position, a double bond at the 5-position, a carboxylic acid at the 24-position and an oxygen functional group at the 7-position is synthesized by using desmosterol as a raw material. A bile acid such as ursodeoxycholic acid, chenodeoxycholic acid, taurodeoxycholic acid, glycodeoxycholic acid, is obtained by using the steroid compound as a synthetic intermediate.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004308856-A (JP)
Title: Ball screw
Inventor: SEKINO KAZUO
IPC: F16H25/22
Filed: 2003-04-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a ball screw having a long service life even under severe working conditions with high speed rotation.  <P>SOLUTION: In a boundary area between a return passage and a ball rolling groove 21, a rising face 27 is formed along a smooth curve recessed from a spiral extension line 21a showing the bottom of the ball rolling groove 21 in such a manner as to smoothly continue to the ball rolling groove 21. In a boundary area between the rising face 27 and the return passage, a round portion 28 is formed which has a curvature of radius R 0.05 time or more the diameter of a ball 3.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004308863-A (JP)
Title: Vibration damper and stirling engine using the same
Inventor: TANAKA SHOZO
IPC: F16F15/02
Filed: 2003-04-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vibration damper to be used for a device involving vibration during operation, such as a Stirling engine, having a longer life.  <P>SOLUTION: The vibration damper for reducing the vibration of a vibrator as a vibration reduced object comprises a mass and a mass supporting spring. Rust preventing treatment is given to the mass supporting spring for preventing rust on the mass supporting spring. As a result, the vibration damper has a longer life.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004313057-A (JP)
Title: Method for producing polyphenylene oxide
Inventor: TAKAHARA JUN
IPC: C12P7/22
Filed: 2003-04-15
Abstract: <P>PROBLEM TO BE SOLVED: To efficiently produce a low-molecular-weight PPO containing hydroxy groups at both terminals.  <P>SOLUTION: In the method for producing the polyphenylene oxide having 500-30,000 molecular weight by oxidatively polymerizing a bis(4-hydroxyphenyl)alkane compound in the presence of an enzyme, a 4-hydroxyphenylcarbonyl compound produced as a by-product is reduced to give a 4-hydroxybenzyl alcohol compound. The 4-hydroxybenzyl alcohol compound is reacted with a monohydric phenol compound to give the bis(4-hydroxyphenyl)alkane compound, which is subjected to an oxidation polymerization reaction.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004318406-A (JP)
Title: Vehicle dispatch management server
Inventor: YOKOYAMA TAKESHI
IPC: H04W84/08
Filed: 2003-04-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vehicle dispatch management server which efficiently dispatches a vehicle.  <P>SOLUTION: In this vehicle dispatch management server 1, a first telephone number and a second telephone number are stored for each vehicle. The first telephone number is used for calling an objective vehicle satisfying predetermined conditions based on vehicle dispatch request positional information of a user and location positional information of the respective vehicles. If no reply to the call is returned within a predetermined time, the second telephone number is used for calling all the vehicles. Then, a vehicle replying to the call is dispatched. In this way, a vehicle suitable for vehicle dispatch is called preferably, and if no reply is returned, all the vehicle are targeted for dispatch, and consequently, a vehicle is dispatched efficiently. As the first call and the second call are made by the different telephone numbers, a driver can easily recognize whether a request is made for vehicle dispatch in the vicinity of his/her own vehicle or for all the vehicles.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004317783-A (JP)
Title: Gain clamping optical amplifier
Inventor: OGAWA IKUO
IPC: G02B6/122
Filed: 2003-04-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a gain clamping optical amplifier which is small-sized, has high performance, and is inexpensive.  <P>SOLUTION: The gain clamping optical amplifier is provided with: an SOA device 4 whose input side and output side are connected to an optical waveguide 2; and UV gratings 5 and 6 which are provided at parts of respective waveguides 2 and reflect light of a specified wavelength. At least the UV grating 6 provided at a light output end side is composed of a blazed grating which returns only part of a reflected light wave to the SOA device 4 and radiates part of the rest.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004069674-A (JP)
Title: Measuring method and device for current-voltage characteristics of superconductor
Inventor: YAMAZAKI HIROFUMI
IPC: H01L39/24
Filed: 2003-04-16
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that how to measure the current - voltage characteristics and its distribution for a large area superconducting membrane, long superconducting tape wire material, and large superconducting bulk material of large area, or large sized superconducting conductor nondestructively and without contact.  <P>SOLUTION: The critical current density is measured for several times, while varying the frequency of AC current, by using the method that the AC current is made to flow a coil arranged just on the superconducting conductor, the current and its 3rd harmonics induced in the coil are detected. Thereby the current-voltage characteristics of the superconducting conductor are measured. The current-voltage characteristics also can be measured by measuring the critical current density several number of times, while varying the frequency of the AC current by using the method where the critical current density is measured by the measurement of fundamental induction voltage induced in a detecting coil arranged nearby the drive coil.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004314244-A (JP)
Title: Rubber sheet cutting device
Inventor: FUJIWARA SATORU
IPC: B26D7/32
Filed: 2003-04-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rubber sheet cutting device which cuts a rubber sheet with high accuracy even if it is a soft and thin one, and efficiently transfers the cut rubber sheet to the next procedure.  <P>SOLUTION: The rubber sheet cutting device has a cutting mechanism 2 for cutting the continuous rubber sheet 1 into rubber strips in a width direction, and a mounting stand mechanism 5 for mounting the cut rubber strips thereon. The cutting mechanism 2 has a cutting blade 4 connected to an ultrasonic oscillator 3 and travels in the width direction of the rubber sheet 1 to cut the same. The mounting stand mechanism 5 has an air feeding passage for feeding air between each sucked rubber strip and a mounting stand.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004318647-A (JP)
Title: Information management system
Inventor: OIKAWA ASAKO
IPC: G06Q50/00
Filed: 2003-04-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an information management system for easily grasping regulations or the division of duties by associating them in a report.  <P>SOLUTION: This information management system 1, which is configured to manage the information of an organization constituted of the division of duties decided by regulations, is provided with a recording means 5 for recording the corresponding relation of the division of duties decided by the regulations and the division contents, a selection means 3 for selecting the division of duties, an extraction means 6 for extracting the division contents having the corresponding relation with the division of duties selected by the selection means 3 from the recording means 5, a report format forming means for forming a report format by fetching the division contents extracted by the extracting means 6 and a report format output means 4 for outputting a formed report format.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004317431-A (JP)
Title: Foreign matter inspection method and device
Inventor: DAITO AKIHIRO
IPC: F02M65/00
Filed: 2003-04-18
Abstract: <P>PROBLEM TO BE SOLVED: To detect foreign matters by using a threshold which can be used on any background and does not make a detection error.  <P>SOLUTION: A set of data of the intensity of foreign matters and the threshold for detecting the foreign matters from a plurality of sample images is obtained in advance to calculate a regression curve and the following formula; threshold = coefficient × minimum intensity + offset. The threshold is determined based on the formula and is used as the threshold to threshold process the image for foreign matter inspection.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004315211-A (JP)
Title: Hybrid driving type conveyor
Inventor: TOBA KAZUO
IPC: B65G23/23
Filed: 2003-04-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hybrid driving type trolley conveyor provided with a friction driving function and a linear guide driving function, having a simple conveyor structure, and capable of changing and setting conveyance speed per a conveyance region in a conveyance line and realizing layout design freely and simply.  <P>SOLUTION: This hybrid driving type trolley conveyor 10 is composed of a hollow conveyance rail 11 along the conveyance line L, a friction driving means 15 for abutting a friction roller 15a on an upper part slide face 13a of a receiving bar 13 for connection to slide the receiving bar 13 for connection, and a linear guide motor driving means 17 for guiding the receiving bar 13 for connection by providing a primary side stator member 17a at a position where it is separated from and opposes to the upper part slide face 13a of the receiving bar 13 which becomes a secondary side needle member. Since the hybrid driving type conveyor is constituted by the friction driving means for abutting on the receving bar for connection to slide and the linear guide motor driving means provided at the position where it is separated from and opposes to the receiving bar for connection to guide by thrust force by eddy current, the receiving bar for connection is used in common as constituent elements for providing the friction driving function and the linear guide driving function, and the conveyor structure can be simplified to improve operation property and work environment.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004317092-A (JP)
Title: Oil burner
Inventor: KATAYAMA MASATOSHI
IPC: F23D11/24
Filed: 2003-04-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide an oil burner, preventing a generated flame from touching a furnace wall even if it is installed in a combustion chamber made slim or in a combustion chamber having a small height to be used.  <P>SOLUTION: A spray nozzle 6 for liquid fuel is disposed in the interior of an oil burner, and a frame funnel 4 having an elliptical outlet opening part 4a is fitted to the tip of a combustion cylinder 2 receiving the supply of air for combustion through a wind box 3 disposed on the upstream side.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2003329084-A (JP)
Title: Torsional vibration damper
Inventor: ULRICH LOOSS
IPC: F04C2/10
Filed: 2003-04-21
Abstract: <P>PROBLEM TO BE SOLVED: To reform a torsional vibration damper so that the damper can be manufactured at a very low cost, and individual components can simply be formed, and performance of the damper is improved.  <P>SOLUTION: The torsional vibration damper is provided with a primary mass of a rotating driving member and a secondary mass of a rotating driven member, wherein the primary mass and the secondary mass form a sealed casing, The boss of the primary mass has a flange shape end which engages with an annular recess of the boss of the secondary mass. The flange shape end forms an axial bearing in cooperation with the boss of the secondary mass.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004327527-A (JP)
Title: Electronic device, its manufacturing process and electronic apparatus
Inventor: HASHIMOTO NOBUAKI
IPC: H01L21/56
Filed: 2003-04-22
Abstract: <P>PROBLEM TO BE SOLVED: To enhance bonding strength at the electrical joint of a semiconductor substrate and a substrate.  <P>SOLUTION: The electronic device has a semiconductor substrate 10 having an integrated circuit 12 formed internally, an insulating layer 20 formed on the semiconductor substrate 10 and having an elastically deformable part 24, an electrode 34 formed on the elastically deformable part 24 while being connected electrically with the interior of the semiconductor substrate 10, and a substrate 58 on which a wiring pattern 62 is formed oppositely to the electrode 34 while being connected electrically therewith. The elastically deformable part 24 deforms elastically to sink below the electrode 34 and presses the electrode 34 against the wiring pattern 62 with an elastic force.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004324004-A (JP)
Title: Carbon fiber and method for producing the same
Inventor: YAGASAKI ERIKO
IPC: B01J23/835
Filed: 2003-04-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a carbon fiber having industrial utility value, simultaneously produced with hydrogen without accompanying the byproduction of carbon dioxide by decomposing hydrocarbons such as methane by using a catalyst; and to provide a method for producing the carbon fiber.  <P>SOLUTION: The carbon fiber (3) is obtained by allowing a hydrocarbon molecule to be absorbed on a catalytic metal particle (2) carried by the surface of a spherical carrier (1), allowing the carbon formed by the decomposition reaction to continuously precipitate on the interface between the catalytic metal particle (2) and the carrier, and growing the fiber in a crystal shape accompanying the catalytic metal particle (2) at the tip.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004326912-A (JP)
Title: Objective lens unit
Inventor: NOGAMI TOYOJI
IPC: G11B7/135
Filed: 2003-04-24
Abstract: <P>PROBLEM TO BE SOLVED: To surely fix an objective lens with a small amount of adhesive.  <P>SOLUTION: Four filling recesses 14 are formed in the inner peripheral surface of a fitting groove 5 formed concentrically with the light transmission hole of a holder 3 at every 90° in a peripheral direction, the bottom surface 14a of each filling recess 14 is inclined from one end surface 3a of the holder 3 to a lens receiving seat 6 to form the longitudinal shape of the recess 14 into a roughly triangular shape, inner surfaces 14b, 14c opposed to each other across the bottom surface 14a of each filling recess 14 are formed into circular-arc shapes to form the cross section of each filling recess 14 into a roughly U shape narrowed downward, and the planar surface of each filling recess 14 is formed into a roughly U shape narrowed in a deep side, so that the deep end circular-arc part 14d of each filling recess 14 is formed on a center line L extended from the center of a light transmission hole through the center of each filling recess 14.  <P>COPYRIGHT: (C)2005,JPO&NCIPI