baber/WOPTO huggingface dataset:
Patent JP-2004335960-A (JP)
Title: Field effect transistor
Inventor: MATSUO HIROSHI
IPC: H01L21/338
Filed: 2003-05-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a field effect transistor which can carry out an enhancement type operation in which a current does not flow between a source and a drain when a gate voltage is 0 V.  <P>SOLUTION: The field effect transistor comprises a hetero structure which forms an AlGaN layer 3 composed of a first nitrogen compound film, and a GaN layer 2 composed of a second nitrogen compound film having a composition different from the AlGaN layer 3. Further, one GaN layer 4 or more are formed as a stress relief layer for cancelling a piezo field effect generating at a crystalline interface between the first nitrogen compound film and the second nitrogen compound film. As an FET of the enhancement type operation used for a general-purpose switching electric source or the like, the AlGaN/GaN hetero structure FET technology of a wide gap semiconductor with the high mobility is utilized, thereby intending to decrease an energization loss by a reduction in an operation resistance, in particular, materializing a complete operation in a GaN system FET.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004337998-A (JP)
Title: Grooving tool
Inventor: YANOO AKIHITO
IPC: B23C5/08
Filed: 2003-05-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a grooving tool which carries out grooving with high accuracy and forms grooves of different shapes.  <P>SOLUTION: The plurality of grooving tools 5 are arranged at a pitch corresponding to an interval between grooves to be formed in an abrasive cloth, and they each have a width conforming to the width of the groove. Each grooving tool has a blade body 51 formed like a disk as a whole, with a plurality of cutting edges 52 on a circumferential periphery thereof. Each cutting edge 52 is formed like a circular arc and formed not only at a front end but also on side surfaces of the blade body. The cutting edge 52 has a rake face 53 formed in a radial direction and a flank 54 formed in an area from the front end to a location slightly behind the same at a small angle of about 8°.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004342691-A (JP)
Title: Radiation image detector
Inventor: IMAI SHINJI
IPC: G01T1/24
Filed: 2003-05-13
Abstract: <P>PROBLEM TO BE SOLVED: To realize the acquition of a real time signal during the time of irradiation with a radiation a simple structure inexpensively in a radiation image detector that detects the signal corresponding to a radiation image from a radiation image recording medium on which the radiation image is recorded when radiation carrying the radiation image is projected upon the medium, can acquire a real-time signal while the radiation is projected.  <P>SOLUTION: The radiation image detector is provided with a photoconductive layer in which charges are generated when the radiation is projected, an electricity storage section which accumulates the charges generated in the photoconductive layer, and a first detector 8 which detects the accumulated charges by utilizing a first stripe electrode 51 composed of a plurality of first linear electrodes 5a and a second stripe electrode 52 composed of a plurality of second linear electrodes 5b. In the detector, a second detector 7 is connected to the second stripe electrode 52. Consequently, the detector can obtain the real-time signal while the radiation is projected by detecting the current flowing to the second stripe electrode 52 in accordance with the generation of the charges in the photoconductive layer by utilizing the second detector 7.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004337696-A (JP)
Title: Sewage treatment method including electrochemical treatment
Inventor: KATAGAI NOBUYOSHI
IPC: C02F3/30
Filed: 2003-05-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sewage treatment method capable of shortening a performance rise term and capable of stably removing or lowering BOD and nitrogen.  <P>SOLUTION: The sewage treatment method comprises treating and decomposing organic substances in sewage by an anaerobic biotreatment and treating and decomposing the remaining organic substances by an aerobic biotreatment. In this method, ammoniacal nitrogen in the sewage is removed or reduced by an electrochemical treatment preceded by the anaerobic treatment to raise a C (carbon)/N (nitrogen) ratio and is subjected to the aerobic biotreatment. It is desirable that the C (carbon)/N (nitrogen) ratio is raised at least 2.5 times by the electrochemical treatment.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004342203-A (JP)
Title: Single reel tape cartridge
Inventor: INUKAI YASUO
IPC: G11B23/107
Filed: 2003-05-14
Abstract: <P>PROBLEM TO BE SOLVED: To increase the strength of a welded part by surely preventing the melted resin around winding piece from oozing out from the tape surface in a single reel cartridge in which the winding piece of a leader tape is wound and turned back on the pin of a leader piece weld to the tape surface.  <P>SOLUTION: The connection part 20 of a leader tape 11 comprises a pair of upper and lower winding pieces 22. Each winding piece 22 is provided with the base part 22a of a fixed width, a tapered middle part 22b continuous to the base part 22a, and a tip part 22c continuous to the middle part 22b. The tip part 22c is wound and reversed on the pin 12 of a leader piece 10, and then welded to the base part 22a by heat. At this time, a peripheral edge welded part W1 is made of a resin oozed out of the peripheral edge of the tip part 22c. The upper and lower widths of the base part 22a are set slightly larger than those of a welded part W including the peripheral edge welded part W1. The area of the welded part W is increased by an amount equal to the peripheral edge welded part W1 to increase a welded strength.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004341186-A (JP)
Title: Thin-film transistor panel and its manufacturing method
Inventor: SHIMOMAKI SHINICHI
IPC: G09F9/30
Filed: 2003-05-15
Abstract: <P>PROBLEM TO BE SOLVED: To decrease the number of manufacturing processes of a thin-film transistor panel.  <P>SOLUTION: A scanning line 5 and an electrostatic protective ring 12 are connected through an electrostatic protective element 13 having electrodes 41 and 42 and connection wiring 43. An interlayer insulation film 29 is formed atop a gate insulation film 22 including the electrostatic protective element 13 and thereafter contact holes 44, 45 and 46 are formed by a photolithography method. Next, connection wiring 43 is formed through the contact holes 44 and 45 especially atop the interlayer insulation film 29 by connecting the same to the scanning line 5 and one electrode 41. In such a case, the contact hole 44 is formed continuously with the interlayer insulation film 29 and the gate insulation film 22, by which the contact hole forming processes can be reduced by one process.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004342476-A (JP)
Title: Inspection method and inspection device for secondary battery
Inventor: FUJIKAWA KAZUSATO
IPC: H01M10/04
Filed: 2003-05-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and a device for detecting a defect of a secondary battery, capable of accurately distinguishing internal short-circuiting or potential short-circuiting, without damaging an electrode of a normal battery.  <P>SOLUTION: The inspection method comprises determining failure of an electrode, if current made to flow in a circuit when applying voltage to the electrode is larger than the current made to flow when applying voltage to a normal electrode. The voltage to be applied to the electrode is an AC voltage having a voltage amplitude in a range where partial discharge does not occur in a normal electrode.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004342263-A (JP)
Title: Optical disk device
Inventor: KAMEDA HIROYUKI
IPC: G11B25/04
Filed: 2003-05-19
Abstract: <P>PROBLEM TO BE SOLVED: To continuously record the data serially distributed from a broadcasting station on a plurality of optical disks in a recording-capable optical disk device although it is of an inexpensive configuration.  <P>SOLUTION: When a recording error occurs (YES at #3) during data recording of a 1st disk (#2) while storing the data in a buffer memory (#1), the optical disk device ejects the optical disk after finalizing it (#4) and records the data stored in the buffer memory 9 on a spare optical disk (#5). When a 2nd optical disk is inserted (YES at #7) before a lapse of a predetermined time (NO at #6), the optical disk device initializes the 2nd disk (#8) after halting recording to the spare disk, and records the data (#9) stored in the buffer memory after halting the recording to the spare optical disk. Thereafter, the device reads out the data of the spare optical disk and stores them in the buffer memory (#10), and records the data on the 2nd optical disk (#11).  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004348178-A (JP)
Title: Program writing method
Inventor: IWATSUKI HIDEKI
IPC: G06F11/00
Filed: 2003-05-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a program writing method for enabling an electronic device to write in a program to be executed during preparatory work of various kinds of inspection on a production line.  <P>SOLUTION: When an EOL process is started, an inspection program and a storage program are stored in a RAM in an initial setting step. During each inspection preparation step, one piece of program data obtained by dividing a control program into three, transmitted from an EOL device is written into a ROM of an engine controller by a writing program. Thereby, a process for writing the control program is not required to reduce a time necessary for the EOL process.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004347701-A (JP)
Title: Air supply/exhaust device, and image forming apparatus
Inventor: SHIRAI HIROTSUGU
IPC: G03G21/00
Filed: 2003-05-20
Abstract: <P>PROBLEM TO BE SOLVED: To miniaturize an image forming apparatus while ensuring sufficient ventilation of an image forming apparatus.  <P>SOLUTION: The image forming apparatus is constructed so that a pair of side plates 20 and 12 are supported with a structure frame 10 and the entire is covered with an external cover 30. Such an image forming apparatus includes an air supply/exhaust device 35. A plurality of small holes are made in the right post 14 of the structure frame of the air supply/exhaust device such that the air vent holes 24 are made across the right post 14 so as to face the air intake port 32 of the right side plate 30A of the external cover. Outside air is drawn from the air intake port of the external cover and passed across the structure frame through the air vent holes. The outside air is then passed through the pair of side plates and discharged from the exhaust port 33 of the external cover.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004313682-A (JP)
Title: Vase using charcoal
Inventor: NOGUCHI SHIGEO
IPC: A47G7/06
Filed: 2003-04-14
Abstract: <P>PROBLEM TO BE SOLVED: To keep freshness of flower in flower arrangement for a long period of time by adjusting environment, allowing plants used for the flower arrangement to appropriately perform a cycle such as respiration (carbon dioxide assimilation, transpiration and photosynthesis) in the backs of leaves, maintaining the vitality of cut flowers and preventing the cut parts from being rotten regardless of whereabouts for keeping them, in an office, a living space at home or the like.  <P>SOLUTION: This vase using charcoal is provided with a means for storing water inside a hollow body composed of wood charcoal, bamboo charcoal or other charcoal; and a means naturally feeding minus ions generated by air flow formed by abutting on the charcoal surface, to the vicinity of the body or the vicinity of the upper part of the main body.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004345208-A (JP)
Title: Method for manufacturing vegetable sheet
Inventor: SASAKI SHINJI
IPC: B29C47/88
Filed: 2003-05-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a vegetable sheet by which a pliable sheet can be obtained while securing transparency and biodegradability.  <P>SOLUTION: A resin containing a vegetable polyester and a polyester plasticizer with a glass transition point of not less than 0°C is extructed from a die for extrusion molding and cooled on a roll with the help of an air knife, a metal roll or a metal belt.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004347072-A (JP)
Title: Loosening preventing screw
Inventor: UENO YOSHIMITSU
IPC: F16B23/00
Filed: 2003-05-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a loosening preventing screw, which can not be engaged with an engagement hole for drive in the loosening direction and prevents any parts from being easily removed.  <P>SOLUTION: In this screw formed of a head part 2 and a leg part 4 formed with thread, the engagement hole 10 is formed with an engagement wall 11 radially from the center along the circumference of the hole with an equal space so that it is engaged in the only screw fastening direction, and an outer end of the engagement wall 11 is connected to an inner end of the adjacent engagement wall 11 through an arc surface 12 to form a windmill-shaped engagement hole 10. On the other hand, the bottom surface of the engagement hole 10 is provided with a projection body 20 formed with a large diameter on the bottom surface side thereof and formed with a small diameter on the head part surface side thereof to prevent fitting of a plate body in the engagement hole 10 for engagement when loosening. With this structure, a driver bit having - shape tip can not be perfectly fitted in the engagement hole to restrict the loosening work to be applied to the screw.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004350471-A (JP)
Title: Voltage divider circuit
Inventor: TAKANO HIROSHI
IPC: G01R33/385
Filed: 2003-05-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a voltage divider circuit that is configured to be capable of outputting a highly accurately divided DC voltage with a comparatively simple structure.  <P>SOLUTION: Two semiconductor switches Sd1, Sd2 connected in series and having diodes D1, D2 connected inversely parallel, two semiconductor switches Sd3, Sd4 connected in series and having diodes D3, D4 connected inversely parallel, and voltage divider capacitors Cd1, Cd2 connected so as to divide an output voltage by a desired voltage ratio are connected between upper and lower terminals of a DC voltage source VO. Furthermore, the middle point 'a' of the semiconductor switches Sd1, Sd2 is connected to the middle point 'c' of the voltage divider capacitors Cd1, Cd2 via a voltage limiting element Ld1, and the middle point 'b' of the semiconductor switches Sd3, Sd4 to the middle point 'c' of the voltage divider capacitors Cd1, Cd2 via another voltage limiting element Ld2. The voltage divider circuit is formed by winding inductors, which are the voltage limiting elements Ld1, Ld2, on a common iron core 23.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004356199-A (JP)
Title: Method for forming permanent protective film on surface of printed wiring board
Inventor: IKEGUCHI NOBUYUKI
IPC: H05K3/28
Filed: 2003-05-27
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a printed wiring board having a permanent protective film exhibiting good surface smoothness and excellent thermal resistance after moisture absorbing and reliability in which resin filling in the through hole of the printed wiring board is satisfactory, and warp and torsion are suppressed.  <P>SOLUTION: After a thermosetting resin composition with a carrier metal foil is applied to the surface of a printed wiring board and cured, a bonding terminal part performing metal plating and the carrier metal foil on the circuit, e.g. a solder ball joint part, are removed by etching and then the resin is removed. After the circuit is exposed, the surface layer carrier metal foil is removed and metal plating is performed to obtain a printed wiring board having a permanent protective film. A permanent protective film for a printed wiring board exhibiting good surface smoothness and excellent thermal resistance and reliability after moisture absorption in which the through hole of the printed wiring board is filled with resin well, and warp and torsion are suppressed can thereby be formed.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004351296-A (JP)
Title: Material kneader
Inventor: MATSUSHIMA FUTOSHI
IPC: B01F7/02
Filed: 2003-05-28
Abstract: <P>PROBLEM TO BE SOLVED: To achieve a reduction of the time for injecting work in a small space.  <P>SOLUTION: A kneader has a tank 11 reserving a material, two kneading pumps 12 and 13 arranged on one side of the tank and kneading and discharging the material, a transferring means 14 transferring the material from the tank to the pumps and a switching means 16 disposed in the dropping spout of the transfer means and dropping the material selectively into the pumps. The pumps are arranged with a gap in the back-and-forth direction so that at least operating switches 20 and 21 formed on the side of one pump are not hidden by the other pump, and materials are kneaded and discharged respectively by the pumps.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004350908-A (JP)
Title: Sanitary napkin
Inventor: KINOSHITA MASATAKA
IPC: A61F13/49
Filed: 2003-05-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sanitary napkin which prevents a spreading region of fluids from reaching close to the back edge portion, has a fluid absorbent layer that is unlikely to be deformed in the back region, and makes close contact with the posterior.  <P>SOLUTION: The sanitary napkin has a vertically long, main absorbent region 10 surrounded by a compressed groove on a surface 2a on the skin side. Consequently, since the back end part 10a of the main absorbent region 10 is distant from the back edge portion 1b, the back region 18 of a relatively large area is hardly ever stained with menstrual blood, and anxiety about the leakage in the back is removed even if the menstrual blood or the like spreads to the back in the main absorbent region 10. The fluid absorbent layer 6 is hardly twisted because of outer vertical compressed grooves 22 and 22 formed in the back region 18.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004352300-A (JP)
Title: Vertical food packaging container
Inventor: YAMASHITA TETSUO
IPC: B65D81/36
Filed: 2003-05-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vertical food packaging container to which a partition can be added at a low cost.  <P>SOLUTION: The vertical food packaging container (1) has a vertical outer container (4) having an annular side wall (8) and an upward opening (2) constituted of the side wall (8), an outer lid (6) to close the opening (2), and a partition member (20) to partition vertically the inner space in the container defined by the outer lid (6) and the outer container (4). The side wall (8) has an inner face (16) with its cross-section substantially circular and continuously reducing its size from the upper part to lower part of the side wall (8). The partition member (20) has a partition plate (26) substantially in circle. The partition plate (26) has an outer diameter equal to the inner diameter at the middle part in the vertical direction of the inner face (16) and is held by the middle part (32) in the vertical direction.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004354720-A (JP)
Title: Pellicle for mask
Inventor: TANAKA YOSHIYUKI
IPC: G03F1/64
Filed: 2003-05-29
Abstract: <P>PROBLEM TO BE SOLVED: To make easily replacable inert gas in a corner part of a pellicle frame and to make efficiently replacable inert gas in the pellicle in a short time.  <P>SOLUTION: A pellicle plate is adhered to the upper end face of a square pellicle frame, and the pellicle frame is provided with an aeration part near each of four corners to connect the inside and the outside of the pellicle. The aeration part is preferably an aeration hole formed in the pellicle frame or is preferably a notch formed in the pellicle frame.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004353323-A (JP)
Title: W-shaped vegetation block
Inventor: IWAKUMA TOSHITERU
IPC: E01C5/00
Filed: 2003-05-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vegetation block giving variation to a vegetation space and exterior design.  <P>SOLUTION: This vegetation block includes first edges including both ends of a short side out of two parallel sides of an imaginary trapezoid from the top view, second edges including both ends of a long side of the imaginary trapezoid, and a third edge including the center part of the long side. The first edges and the second edges are connected by beams, and the first edges and the third edge are connected by beams. The outer ends of the second edges rise substantially perpendicularly from the long side to form W-shape from the top view.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004353401-A (JP)
Title: Hose clamping device
Inventor: MAMADA TOMONORI
IPC: E02F9/00
Filed: 2003-05-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hose clamping device which enhances workability when a plurality of hydraulic hoses are held thereby.  <P>SOLUTION: A clamping member 25 of the hose clamping device has one-side hose fitting holes 26A, 26C, 26E formed therein, and the other-side hose insertion slits 27A, 27C, 27E formed therein so as to connect between the respective holes and the other side surface 25D of the clamping member 25. Further the clamping member has the other-side hose fitting holes 26B, 26D, 26F formed therein, and one-side hose fitting slits 27B, 27D, 27F formed therein so as to connect between the respective holes and one side surface 25C of the clamping member 25. Thus three hydraulic hoses 21A, 21C, 21E out of six hydraulic hoses 21A to 21F can be fitted into the one-side hose fitting holes 26A, 26C, 26E from the other side surface 25D of the clamping member 25, and the remaining three hydraulic hoses 21B, 21D, 21F can be fitted into the other-side hose fitting holes 26B, 26D, 26F from the one side surface 25C of the clamping member 25.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004352957-A (JP)
Title: Aerosol composition containing powder having photocatalytic effect
Inventor: MEKATA SATOSHI
IPC: C09D1/00
Filed: 2003-05-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide an aerosol composition containing a powder having a photocatalytic effect, which is injected over a specific coating film to dissolve (to fluidize) its surface, wherein the photocatalytic effect is successfully maintained in a long period since the powder is easily adhered to the surface of the coating film and hardly comes off from the film after the solvent dries.  <P>SOLUTION: The aerosol composition comprises a powder having a photocatalytic effect, a solvent having the solubility parameter of 7-15 and a liquified gas. Furthermore, the solubility parameter of the above solvent is preferably 8-12.5. The powder having the photocatalytic effect is titanium oxide.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004363731-A (JP)
Title: Image processing apparatus, image processing method, and program therefor
Inventor: TANAKA SHINJI
IPC: H04N1/46
Filed: 2003-06-02
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a glossy area from being processed into an unexpected color in the case of reading an image including the glossy area.  <P>SOLUTION: The image processing apparatus 10 stores image information received by a scanner unit 31 to a scanner buffer 26a provided to a RAM 26 of a controller 20. Then a CPU 22 discriminates the glossy area included in the image information stored in the scanner buffer 26a, processes the discriminated glossy area to have a predetermined particular color and stores the result to a print buffer 26b of the RAM 26. Thereafter, a printer ASIC 42 receiving a print command from the CPU 22 reads the image information stored in the print buffer 26b and controls a printer unit 41, which carries out printing.  <P>COPYRIGHT: (C)2005,JPO&NCIPI