baber/WOPTO huggingface dataset:
Patent JP-2004224644-A (JP)
Title: Process for refining of fluoride single crystal raw material, and manufacture method of fluoride single crystal
Inventor: KAWANAKA TAKEO
IPC: C30B29/12
Filed: 2003-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a process for refining of a fluoride single crystal capable of obtaining the fluoride single crystal which has high purity and high homogeneity and is used as an optical system material suitable for high energy light like an ArF excimer laser and a manufacture method of the fluoride single crystal.  <P>SOLUTION: The process for refining of the fluoride single crystal raw material which refines the raw material by bringing the fluoride single crystal raw material into contact with fluorine-containing gas to react the impurities included in the raw material with the fluorine-containing gas comprises forming a packed bed of the raw material in a raw material refining vessel, supplying the fluorine-containing gas to the packed bed of the raw material from one side then discharging the gas from the other after passing the gas through the packed bed.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004223441-A (JP)
Title: Ozone water manufacturing apparatus
Inventor: FUCHIGAMI HIDEKI
IPC: B01F1/00
Filed: 2003-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an ozone water manufacturing apparatus which utilizes only the water pressure of tap water, has a simple structure and a high ozone dissolving efficiency.  <P>SOLUTION: A simple mixer 7 is connected on the downstream side of an aspirator 4 for mixing the tap water with ozone gas. The simple mixer 7 comprises a bent and folded passage pipe 5 filled with a great number of beads 6. Such beads 6 are made of a material without edges and capable of bearing a strongly oxidative substance such as ozone gas. By allowing air bubbles (ozone gas) 12 to flow through passages formed by clearances among the beads 6, the air bubbles (ozone gas) 12 are dispersed, reversed and converted. Further, an area of contact surface between the ozone gas and the tap water is expanded, and the contact time period becomes longer, thereby increasing an ozone gas dissolving amount in the tap water.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004223130-A (JP)
Title: Pachinko game machine
Inventor: ENOMOTO HIROSHI
IPC: A63F7/02
Filed: 2003-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a Pachinko game machine enhancing performance effects by displaying related images not only on a pattern variable display device provided on the game machine but also on a display of a portable electronic device connected to the game machine.  <P>SOLUTION: A portable device connecting part 60 is provided in the game machine and a cellular phone 30 is connected to the portable device connecting part 6. When a ball enters in a start win hole of the game machine, the pattern is variably displayed on the pattern variable display device 10 and, when the lottery result is a big win, image data of a preview screen for a big win preview performance are transmitted to the pattern variable display device 10 and the preview screen is displayed on the pattern variable display device 10. The image data of a related preview image related to the preview image are transmitted to the cellular phone 30 via the portable device connecting part 60 and the related preview image is displayed on the display of the cellular phone 30.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004226369-A (JP)
Title: Device for measuring linear expansion coefficient
Inventor: OGURA KATSUYUKI
IPC: G01N25/16
Filed: 2003-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a device for measuring a linear expansion coefficient which can easily and accurately calculate the linear expansion coefficient of a sample.  <P>SOLUTION: The device for measuring a linear expansion coefficient comprises a length measuring means 12 which is provided with a probe 14 for detecting the contact with a sample 30 and measures dimensions of the sample from the position of contact between the probe 14 and the sample; a temperature controlled bath 16 in which the sample 30 is placed; and a temperature controlling means 18 which controls the temperature of the sample by blowing, into the temperature controlled bath 16, the gas connected to the temperature controlled bath 16 and having a set temperature, and calculates the linear expansion coefficient of the sample based on the dimensions of the sample at different temperatures. The device is characterized in that the temperature controlled bath 16 is constituted of heat insulating walls, and is provided with an openable/closable probe insertion opening 44 for inserting the probe 14.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004226933-A (JP)
Title: Remaining developer quantity detection device
Inventor: MATSUMOTO YASUHIRO
IPC: G01F23/00
Filed: 2003-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a remaining developer quantity detection device that detects correct quantity of remaining developer and even quantity of developer stored in a developer container detachable from the main body of the apparatus, at the stable output level by a developer quantity detection means disposed in the main body of the apparatus, and to provide an image forming apparatus that includes the detection device.  <P>SOLUTION: The remaining developer quantity detection device includes a sampling means that samples output signals supplied by the developer quantity detection means 31. The device calculates a difference between the maximum value and the minimum value of the output signals sampled by the sampling means and, in addition, the average value of the output signals. A quantity of developer remaining in the developer container 10a is determined by combinations of the difference between the maximum value and the minimum value and the average value.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004229743-A (JP)
Title: Endoscope
Inventor: SETO HIDEYUKI
IPC: A61B1/00
Filed: 2003-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an endoscope securing a prescribed strength and compactly storing an imaging unit in a simple constitution.  <P>SOLUTION: The rear end of an insertion part is formed with an operation part 3 provided with a curved lever 12 or the like for performing a curved operation, its front end side is formed with a handle part 11 held by an operator and its inside is disposed with a plate-shape frame 45 as an inner structure for securing the prescribed strength. The imaging unit 47 which forms an optical image transmitted by an image guide fiber bundle 19 on a CCD 54 via a relay optical system 53 is disposed in a cut part 45a formed by cutting a part of the frame 45 and fixed to the frame 45 via a fitting member 63. This constitution allows the compact storage of the imaging unit.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004232939-A (JP)
Title: Network system of liquid fuel burning heater
Inventor: UCHIDA TAMIYA
IPC: F24H3/02
Filed: 2003-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a network capable of eliminating the uneasiness of a person who uses an oil fan heater and lonely feeling of living alone, requesting the supply of liquid fuel when required, and preventing the mis-use of an oil heater by controlling the use state thereof.  <P>SOLUTION: Information on data for setting the operating time of a person who operates an operating panel 13, information on the presence or absence of a person who detects a person detection sensor 55 assembled in a body 1, information on such a matter that signals detected by a flame state detection device 21 and a carburetor temperature detection element 7 are different from those in usual operating state, information on mis-used states detected by a room temperature detection device 10 and a distance sensor 54, and information from a liquid fuel supply procurement operation means 58 are notified a control center through a transmission/receiving device electrically connected to the control device 57 of the body 1. Instructions to take measures against the information are returned to the control device 57 of the body 1 through the transmission/receiving device 51A, and notified a person who operates the body 1 through the operating panel 13.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004231020-A (JP)
Title: Indicating unit for vehicle
Inventor: TAMURA SHIGEAKI
IPC: G09G5/00
Filed: 2003-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide an indicating unit for a vehicle, which indicating unit utilizes the display unit called the multi-display for displaying various information as a multiple display or a switched-over separate display, and can perform unique production by utilizing a degree of freedom of the display unit, and can an improve property of goods.  <P>SOLUTION: The indicating unit 1 for a vehicle comprises a multi-display unit 10 for displaying various information to a user, an image storing means 105 for storing background scenery 201a-201d to be displayed on the multi-display unit 10, and a control means 103 for displaying one of the different background image 201a-201d on the multi-display unit 10 by selecting it from the image storing means 105 according to predetermined input information.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004230688-A (JP)
Title: Manufacturing process for nozzle plate and manufacturing process for ink jet recording head
Inventor: KAWABATA KATSUICHI
IPC: B41J2/135
Filed: 2003-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing process for a nozzle plate in which a nozzle hole having a stabilized shape can be formed with high machining precision on the nozzle outlet side, and to provide a manufacturing process for an ink jet recording head exhibiting a high ejection precision of ink drop and capable of recording a high quality image.  <P>SOLUTION: The manufacturing process for the nozzle plate comprises a first step for providing an ablative auxiliary member 102 on the ink channel side surface of a nozzle plate material 101 so that A+B falls within a range of 75-150μm assuming the thickness of the nozzle plate material 101 is A and the thickness of the auxiliary member 102 is B, a second step for irradiating the nozzle plate material 101 with a laser beam from the auxiliary member 102 side to form a nozzle hole Pa through ablation, and a third step for removing the auxiliary member 102 from the nozzle plate material 101. An ink jet recording head is manufactured using a nozzle plate thus manufactured.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004241980-A (JP)
Title: Private key management unit
Inventor: TAKANASHI HIROAKI
IPC: H04L9/08
Filed: 2003-02-05
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem wherein with an AV apparatus where the capacity of a CPU is limited, it is difficult to prevent tapping of a private key stored in the apparatus through convenient processing.  <P>SOLUTION: A decrypting section 150 decrypts an encrypted private key Ks' from a storage 160 using a decryption key Kd selected from an encryption key table 130 at an encryption key update control section 140 and outputs an encrypted private key Kso. The encrypted private key Kso is inputted to an encrypting section 120 through an input selecting section 110. The encryption key update control section 140 updates a next encryption key Ke1 read out from the encryption key table 130 at an arbitrary timing and the private key Kso is encrypted at the encrypting section 120 using the updated encryption key Ke1. An encrypted private key Ks1 thus obtained is stored in the storage 160. Furthermore, the encryption key update control section 140 updates the decryption key Kd to Kd1 where a decryption key Kd0 used previously corresponds to a decryption key Ke1 read out this time.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004238160-A (JP)
Title: Sheet feeding device, image reading device, and image formation device
Inventor: FUJII SHUJI
IPC: G03G15/00
Filed: 2003-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sheet feeding device for determining whether supply and conveyance should be executed in accordance with a document loading condition or not and to provide an image reading device and an image formation device.  <P>SOLUTION: This sheet feeding device is constituted in such a way that, when a document detector provided on a document tray is on (S11:YES), a control part determines whether document is fixed size or not based on a document size table stored in a storage part (S12) and the document tray is lifted, lowered, and moved based on detection output of a call-in roller position detector after a predetermined period of time elapses (S13:YES) when the document is the fixed size (S12:YES) to let the document tray stand-by in a condition in which the document on the uppermost layer can be immediately supplied and conveyed.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004241289-A (JP)
Title: Method for manufacturing electrode of solid high polymer fuel cell
Inventor: TAKANO HIROSHI
IPC: H01M4/96
Filed: 2003-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing an electrode of a solid high polymer fuel cell having a catalyst layer formed by applying catalyst paste on a base material, whereby high battery characteristics can be obtained, since the boundary face between a catalyst and a proton conductive polymer increases.  <P>SOLUTION: In this method having a catalyst paste adjusting process to adjust the catalyst paste by mixing and dissipating the catalyst, an organic solvent, and the proton conductive polymer, and a catalyst layer forming process to form the catalyst layer by applying the catalyst paste on the base material, a storage process to store the adjusted paste for a prescribed storage time, 4-100 hours for example, at a prescribed temperature, 5-25 °C for example, is added between the above processes.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004239550-A (JP)
Title: Heat exchanger and refrigeration cycle device
Inventor: OKAZA NORIHO
IPC: F25B39/04
Filed: 2003-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the maintenance cost of a use-side heat exchanger in a refrigeration cycle device (for example, water heater) using carbon dioxide gas as a second fluid.  <P>SOLUTION: In this refrigeration cycle device using carbon dioxide gas as the second fluid and comprising a second fluid circuit 32a formed by connecting at least a compressor 31, the use-side heat exchanger 32, a decompressor 33 and a heat source-side heat exchanger 34, a second fluid channel of the use-side heat exchanger is provided with a first valve 37 at its inlet part, and a second valve 38 at its outlet part. By applying this constitution, the maintenance such as the replacement of the use-side heat exchanger can be performed without releasing carbon dioxide gas on site, when a first fluid channel of the use-side heat exchanger is blocked, and the replacement of the use-side heat exchanger is needed, which reduces the maintenance cost.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004242475-A (JP)
Title: Driving system for switching device
Inventor: NAKAMURA KAZUTO
IPC: H02M7/48
Filed: 2003-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a gate driving system that is superior in switching speed and a withstand voltage, that makes it possible to realize a power converter of ultra-low loss using a gallium nitride FET having a low on-state resistance, and that causes no arm short-circuit and the like even in a normally-on state of the FET even if a control circuit is shut down with a main power supply established.  <P>SOLUTION: This gate driving circuit, connected to the ground side of the main power supply, impresses an off-voltage to the gate of a low-side switching element even if a control power supply is shut down with the main power supply established, by changing over a second power source that is established being interlocked with the main power supply and a gate-turning-on power source supplied from the control power supply by a control signal, and by outputting it to the gate of the switching element.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004243536-A (JP)
Title: Plate making device, and control method for reprocessing-type printing plate
Inventor: TABUCHI MITSURU
IPC: B41C1/00
Filed: 2003-02-10
Abstract: <P>PROBLEM TO BE SOLVED: To achieve a high processing rate as a whole without relying upon the upgrading of the processing rate of each processing unit with regard to a plate making device.  <P>SOLUTION: In this device, stations S1 to S4 corresponding to the number of processes for at least plate making are sequentially arranged, and each of two or more appropriate processing devices 30 to 34 to each process for plate making is arranged at each stations S1 to S4 in the order of the processes for plate making. In a control method, two or more printing plates 1 are sequentially transferred by a transfer device 11 from one station to the following station in succession according to the order of the processes for plate making.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004245240-A (JP)
Title: Thermal valve
Inventor: TERAMURA SADAO
IPC: F16K31/68
Filed: 2003-02-10
Abstract: <P>PROBLEM TO BE SOLVED: To improve responsiveness of a heat sensor element by improving the heat transmitting efficiency from a heating body to the heat sensor element.  <P>SOLUTION: A driving unit 11 installed in a first housing 13 is formed of a cylindrical positive characteristic thermister 19, a pair of annular electrodes 20 and 21 bonded to an end surface of the cylindrical positive characteristic thermister 19, an insulator 22 with the built-in positive characteristic thermister 19 and the built-in electrodes 20 and 21, and the heat sensor element 23. The heat sensor element 23 is formed of a heat sensing part 231 containing the wax inside thereof, a guide cylinder 232 connected to the heat sensing part 231, and a driving shaft 233 slidably fitted into the guide cylinder 232. The heat sensing part 231 is surrounded by the cylindrical positive characteristic thermister 19.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004248355-A (JP)
Title: Power generating system utilizing gas inflater
Inventor: KENMOCHI YUTAKA
IPC: H02P9/04
Filed: 2003-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a power generating system that utilizes a compressed air, in which no overload acts on a gas inflater itself or a power generator connected to it after the gas inflater comes into an over-operation state or into an overload operation state, for constantly stable and smooth operation, even if the pressure of the flow rate of the compressed gas which is supplied to the gas inflater fluctuates.  <P>SOLUTION: In the power generating system, a compressed gas 2 exhausted from a steam heater, a boiler 1, or the like is utilized to rotate a gas inflater 4, whose output is used to drive a generator 6. A shaft-output detector 8 and an electromagnetic clutch 9 are provided in series between the gas inflator 4 and the generator 6 in this order. A control part 12 is provided parallel to the shaft-output detector 8 and the electromagnetic clutch 9, which controls the current supplied to the electromagnetic clutch, according to the measurement value of the shaft-output detector 8.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004247152-A (JP)
Title: Electrolyte film/electrode junction, fuel cell, and manufacturing method of electrolyte film/electrode junction
Inventor: YAMAGUCHI TAKEHISA
IPC: H01M8/10
Filed: 2003-02-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electrolyte film/electrode junction, a fuel cell using the junction, especially, a direct methanol type fuel cell, and a manufacturing method of the electrolyte film/electrode junction with processes simplified and production efficiency improved, applicable to an industrial process.  <P>SOLUTION: Provided is the manufacturing method of the electrolyte film/electrode junction made by forming a catalyst layer by directly coating a catalyst-layer-forming paste on both surfaces of an electrolyte film, the electrolyte film/electrode junction smooth without any thickness patch or crack on the catalyst layer, the fuel cell using the electrolyte film/electrode junction, and the direct methanol type fuel cell using the electrolyte film/electrode junction. The catalyst layer is formed by directly coating a catalyst-layer-forming paste on the both surfaces of the electrolyte film with a dimensional change rate after being swollen through an hour of dipping in ion-exchange water at a room temperature (25°C) of 0 to 3% in both length and breadth directions as compared with a dry state and without any change of shape.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004244681-A (JP)
Title: Method for reducing sulfur in molten iron in blast furnace
Inventor: ICHIDA MORIMASA
IPC: C21B5/00
Filed: 2003-02-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for reducing S in molten iron in a blast furnace with which the S content in the molten iron is efficiently reduced by promoting desulfurizing reaction in the blast furnace.  <P>SOLUTION: As for the reducing method of S in the molten iron, in the blast furnace operation charging iron ore and coke as layer-state, the coke is charged in the periphery of MgO-containing material, or an MgO-containing coke is substituted for the charged coke, or a carbon-containing pellet containing MgO is charged into the blast furnace so that the MgO-containing material and C exist in co-existing state in the blast furnace.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004248702-A (JP)
Title: Apparatus for shredding and sterilizing carcass
Inventor: UDONO FUMIO
IPC: B09B3/00
Filed: 2003-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus for sterilizing an animal carcass to dispose of the same safely, sanitarily and rapidly.  <P>SOLUTION: The animal carcass B charged from a carcass charging port 3 is shredded into flesh and bone pieces P by a shredding means 4 and the flesh and bone pieces P fallen from the shredding means 4 are housed in a treatment basket 5 set so as to be accessible to the sterilization tank 11 of a sterilization device body 1 and sterilized along with the treatment basket 5 in the sterilization tank 11. The drain produced in the shredding and sterilizing process is sterilized by the secondary sterilization means 2 provided at a drain discharge part 16 before discharged.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004257738-A (JP)
Title: Ultrasonic flowmeter
Inventor: ITO SHIGEYUKI
IPC: G01F3/22
Filed: 2003-02-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an ultrasonic flowmeter capable of improving the attachment/detachment properties of an ultrasonic sensor while maintaining the sealing ability and assembling property of a channel for the installation of the ultrasonic sensor.  <P>SOLUTION: When an intermediate channel forming unit 20 is fitted to a main body channel notch part 15 of a main body part 11 in such a way that an intermediate channel 21 may communicate with a main body channel 14, protrusion parts 22 and 22 each protrude to the outside from window holes 16 and 16 of the main body part 11. The protrusion parts 22 and 22 each seal the window holes 16 and 16 via packings 16a. Transmitting and receiving parts 23a and 23b of the ultrasonic sensor 23 are each attachably and detachably fixed to the protrusion parts 22 and 22 from the outside by attaching screws 23c and 23c and pressing plates.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004237266-A (JP)
Title: Method of reducing cod in waste water by using o3 with valent ion chelation
Inventor: LIOU HUEI-TARNG
IPC: C02F1/52
Filed: 2003-02-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a new ozone-saving method for treating waste water containing organic substances.  <P>SOLUTION: In the method for reducing COD in the waste water, a valent ion that can terminate ozone oxidation of the organic substances contained in the waste water is used together with ozone to reduce the COD in the waste water. In one embodiment, the valent ion is selected from the group consisting of a sodium ion, a potassium ion, a calcium ion, a magnesium ion, an aluminum ion, an iron ion, a chromium ion, a titanium ion, and a niobium ion.  <P>COPYRIGHT: (C)2004,JPO&NCIPI