baber/WOPTO huggingface dataset:
Patent JP-2001168334-A (JP)
Title: Power field-effect transistor and its manufacturing method
Inventor: SUZUKI TAKASHI
IPC: H01L29/06
Filed: 1999-12-07
Abstract: PROBLEM TO BE SOLVED: To provide a power MOS field-effect transistor equipped with a structure in which a drift region is not situated between a body region and a silicon substrate. SOLUTION: A process in which a p-type silicon layer 12 to be used as the body region is formed on an n+ type drain region formed on the silicon substrate is provided. A process in which a trench 18 extending to the n+ type drain region 10 is formed in the p-type silicon layer 12 is provided. A process in which an n-type silicon layer 22 to be used as the drift region is formed by a solid-phase epitaxial growth operation is provided.
Patent JP-H10190589-A (JP)
Title: Adaptive noise control system and on-line feedback route modeling and on-line secondary route modeling method
Inventor: SEN M KUO
IPC: G10K11/178
Filed: 1997-12-17
Abstract: PROBLEM TO BE SOLVED: To provide on-line feedback route modeling and on-line secondary route modeling active noise control system and method. SOLUTION: A feed-forward active noise control system 50 provided with a reference sensor 16, a secondary source 18, an error sensor 20 and an active noise control system controller 10 for generating anti-noise signals for attenuating noise signals supplied through a medium is provided. The feed-forward active noise control system 50 executes on-line feedback route modeling and on-line secondary route modeling.
Patent JP-H11165353-A (JP)
Title: Production of wafer holding conveyer
Inventor: YODA YASUO
IPC: H01L21/68
Filed: 1997-12-03
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a plastic wafer holding conveyer capable of obtaining a bonded part excellent in reliability and economical efficiency. SOLUTION: The end surfaces of rod-shaped members a1 -a3 mounted on a lower fixing jig N among three rod-shaped members a1 -a3 and end plate members b1 -b2 constituting a plastic board-shaped wafer holding feeder are brought into contact with the surface of the end plate member b1 mounted on an upper fixing member M and the upper fixing member M is vibrated for 24 Hz × several sec and the contact surface parts are melted by the friction heat generated at this time to be welded and bonded.
Patent JP-H10181050-A (JP)
Title: Printing head for dot impact serial printer
Inventor: TANNO YASUSHI
IPC: B41J2/28
Filed: 1996-12-26
Abstract: PROBLEM TO BE SOLVED: To ensure a strength for stopping a necessary printing force and realize the improvement of a reproducing capability by a method wherein the shape of a leaf spring, which is welded to a printing force-supporting armature and gives a restoring force to the armature, is so made as to apply uniform stress to the leaf spring under its deflected state. SOLUTION: A leaf spring 5a has leaf thicknesses of t1 , at which one end of the leaf spring 5a is supported, t3 on a top plate side, through which the magnetic flux of an armature 4a returns, and t2 of the recess portion between t1 and t3 , the thicknesses are different from one another so as to have uniform stress at any part having any thickness. Since the stress applying to the leaf spring 5a is not uniform, as mentioned above, the plate thickness at a part, the stress of which is high, is made thicker and that at a part, the stress of which is low, is made thinner so as to suppress the stress applying to the part within the safe strength of its material.
Patent JP-2000174862-A (JP)
Title: Radio telephone system
Inventor: SHINOZAKI KENJI
IPC: H04M1/27
Filed: 1998-12-08
Abstract: PROBLEM TO BE SOLVED: To provide a convenient radio telephone system by which a message transmitting procedure is drastically simplified by automatically storing transmitted message and mail kinds in a telephone directory in the case of an opposite party to whom a message has been once transmitted. SOLUTION: This radio telephone system is constituted of a receiving means 10, a transmitting means 20, a control means 30 consisting of a microcomputer or the like, a key input means 40 for executing a key operation and a display means 50. The control means 30 consisting of the microcomputer or the like is provided with the telephone directory 31, a telephone directory reading means 32, a telephone directory writing means 33 and a mail storing means 34 to be linked with the telephone directory and, then a user can transmit a mail to the opposite party by a method which is the same as that of telephone calling by using the telephone directory in a conventional manner in appearance the when he is one to whom the message was transmitted once.
Patent JP-2001162029-A (JP)
Title: Pachinko ball counting device
Inventor: HAMASHIMA KIYOSHI
IPC: A63F7/02
Filed: 1999-12-08
Abstract: PROBLEM TO BE SOLVED: To surely prevent the counting of putted pachinko balls in the input prohibiting state of pachinko balls. SOLUTION: When pachinko balls are put in the ball receiving part 8 of this pachinko ball counting device 1 (reversed in Fig), the putted pachinko balls are run into a ball counter through a ball passage 24, whereby they can be counted. When the pachinko ball number stored in an island exceeds an upper limit value, the ball receiving part 8 is rotated to a stop position in the reversed state, so that characters of 'stop' are displayed, and pachinko balls cannot be putted thereto. When a customer puts pachinko balls in the ball receiving part 8 during rotation by an error, the ball passage 24 is closed, so that the pachinko balls are never counted or returned to the island.
Patent JP-H10185691-A (JP)
Title: Method for measuring emissivity and temperature of object, and device therefor
Inventor: YAMADA YOSHIRO
IPC: G01J5/00
Filed: 1996-12-26
Abstract: PROBLEM TO BE SOLVED: To precisely determine the reflectance of an object to be measured even when a bar-like emitting source has radiation unevenness, and a pass line is fluctuated, and also precisely calculate the surface temperature of the object to be measured. SOLUTION: A light is irradiated to the surface l of an object to be measured by a bar-like emitting source 3, and the reflected intensity distribution is measured by a scanning optical detector 2 to determine the distance between the bar-like emitting source 3 and the object to be measured and the distance between the scanning optical detector 2 and the object to be measured, respectively. The minimum distance between the bar-like emitting source 3 and the object to be measured, the scanning point of the object to be measured, the anticipated angle of the scanning optical detector 2 and the total length of the bar-like emitting source 3 are determined on the basis of these data, and the reflecting intensity of total diffused reflected component and the reflecting intensity of mirror diffused component are obtained on the basis of these data.  The total reflecting intensity is determined from the sum of the reflecting intensity of perfect diffused reflected component and the reflecting intensity of mirror diffused reflected component, the reflectance is determined from the total reflecting intensity, the emissivity is determined from the reflectance, and the temperature is further determined.
Patent JP-H11178903-A (JP)
Title: Steam sterilization vessel
Inventor: TOYOUCHI KAORU
IPC: A61L2/26
Filed: 1997-12-18
Abstract: PROBLEM TO BE SOLVED: To provide a steam sterilization vessel made of a resin material to satisfy material cost, strength, heat resistance, and hot water resistance altogether by using a polyphenylene ether based resin composition whose heat deformation temperature is higher than a specific value and main component comprises polyphenylene ether and styrene based resin. SOLUTION: On manufacturing a steam sterilization vessel made of resin used for steam sterilization putting a sterilization object such as medical device for operation, animal cage for rat breeding, retort food, etc., therein, a polyphenylene ether based resin composition comprising main components of polyphenylene ether (A component) and styrene based resin (B component) and having deformation temperature higher than 140 deg.C is used. The B component is made by blending shock resistant polystyrene, more than 5 wt.% of double bonds of whose conjugated diene based rubber preferably contains partially hydrogenated conjugated diene based rubber. The A component is preferably to be polyphenylene ether denaturated by a compound with more than one kind of carbon-carbon double bond.
Patent JP-H06234987-A (JP)
Title: Cooling lubricant containing partially neutralized phosphoric ester as ep additive
Inventor: PEETAA PIKA
IPC: C10N40/20
Filed: 1993-12-28
Abstract: PURPOSE: To obtain a cooling lubricant which has no fear of forming nitrosoamine by using a specified salt of a predetermined compd. as an extreme pressure additive in a cooling lubricant.  
     CONSTITUTION: An alkaline (earth) metal salt of a compd. represented by the formula [wherein R 2  represents a 1-20C alkyl, a 2-20C alkenyl, or a (substd.) 6-10C aryl; and R 1  represents H or R 2 ] is used as an extreme pressure additive in a cooling lubricant. 
     COPYRIGHT: (C)1994,JPO
Patent JP-H07198491-A (JP)
Title: Color extraction apparatus as well as apparatus and method for inspection of color
Inventor: TAKADA HITOO
IPC: G01J3/46
Filed: 1993-12-29
Abstract: PURPOSE:To provide a color inspection apparatus which can inspect colors of a plurality of objects, to be inspected, inside one field of view. CONSTITUTION:An imaging apparatus is installed in such a way that all regions to be inspected can be put into a field of view, and color regions in one place or a plurality of places of a desired extracted color are extracted from one screen in an imaged picture. The extracted color can be set in advance in a proper range on the basis of the color of a product. Then, the averaged color of all pixels which are contained in the extracted color regions is found. The average color is compared with a criterion color which has been registered in advance, and whether the product is good or not is judged.
Patent JP-H05195519-A (JP)
Title: Floating wave absorbing dike
Inventor: NAKAMURA TAKAYUKI
IPC: E02B3/06
Filed: 1991-12-10
Abstract: PURPOSE:To prevent ocean waves by providing a rigid column extending to the bottom of the water along the center line of the side surface of a box-shaped dike body having a curtain wall at the lower part of the dike body moored on the surface of the water and connecting the column to the bottom base of the water through a hinge structure provided at the lower end of the column. CONSTITUTION:A front curtain wall 18 and a rear curtain wall 19 are provided at the lower part of a box-shaped dike body and a rigid steel column 12 is fixed to the side surface of said body along the center line thereof. The dike body is connected to the water bottom base at a point 14 by means of a hinge 13 provided at the lower end of the column 12. Further, the dike body is moored to the water bottom base at a point 17 by means of a steel mooring cable 16, so that a floating dike body 1 is formed.
Patent JP-H07185549-A (JP)
Title: Electrolytic alkaline ionized water generator
Inventor: OKAZAKI TATSUO
IPC: C02F1/46
Filed: 1993-12-27
Abstract: PURPOSE:To make appropriate reverse-current cleaning possible, to detect a decrease in conductivity by detecting the conductivity of stagnant water and to enhance detection accuracy by comparing the initial conductivity between electrodes with the conductivity during electrolysis and reversing the polarity based on the decrease in conductivity. CONSTITUTION:The electrolytic cell 1 of an alkaline ionized water generator is divided into an anode compartment 5 and a cathode compartment 6 with an electrolytic diaphragm 4 between the opposed anode 2 and cathode 3. An electrolytic circuit 13 to impress a DC electrolytic voltage is connected to the electrode 2 and 3 through a power source circuit 10, a transformer 11 and a rectifier 12. A current is applied to the electrodes 2 and 3, and alkaline ionized water is generated in the cathode compartment 6 and acidic water in the anode compartment 5. In this case, a circuit 16 for detecting the conductivity of the electrodes 2 and 3 is provided, and the detected output is inputted to a comparing and deciding circuit 17. When a decrease in conductivity exceeds a specified value, a polarity switching circuit 15 is switched, the polarities of the electrodes 2 and 3 are reversed, an reverse-current cleaning is conducted.
Patent JP-H07141389-A (JP)
Title: Retrieval device
Inventor: MIIKE SEIJI
IPC: G06F17/30
Filed: 1993-12-29
Abstract: PURPOSE:To provide a retrieval device which can retrieve a document even in the case that a user cannot remember the title of the document or a substantial retrieval formula or cannot express the title or contents of the document well in a natural language. CONSTITUTION:A document data storage means 2 where document data is stored, a means 4 which inputs circumstance analysis object data where the document and peripheral conditions are related to each other at the time of document data storage or the like, means 4, 5, and 6 which analyze data inputted by the means 4 to obtain circumstance information easy to use as retrieval key and store this information in relation to document data, and retrieval means 8 and 9 which use the circumstance information to retrieve the document in the document data storage means 2 are provided.
Patent JP-H0553518-A (JP)
Title: Display device
Inventor: YAMADA SENHIKO
IPC: B44F1/06
Filed: 1991-12-13
Abstract: PURPOSE:To provide a display device which improves the stereoscopic effect of an image thereon, and simultaneously, whose stereoscopic effect is increased, without increasing the weight of the display device and cost. CONSTITUTION:An air layer 6 is provided between the image forming sheet 2 of lenticular plate 3 of the display device, and the image forming sheet 2 and the lenticular plate 3 face each other, and are connected so as to relatively move via a connecting tool. Therefore, the focal distances of each cut lens of the lenticular plate 3 are short, and the whole of the display device 1 is thinned. The lenticular plate 3 is made thin, so that the amount of formed resin is reduced and material cost can be reduced, as well.
Patent JP-H11183418-A (JP)
Title: Gas measuring apparatus
Inventor: OKUBO KUNIHIKO
IPC: G01N27/12
Filed: 1997-12-19
Abstract: PROBLEM TO BE SOLVED: To decide and inform of the replacing time of a sensor automatically by employing the electric characteristics of a polymer film at the initial stage of use of the sensor and the current electric characteristics measured by an aging measuring means. SOLUTION: A conductive polymer film is formed using polypyrrole between two electrodes at a gas sensor section 1 and one of the electric characteristics, i.e., resistance, varies when a gas component adheres to the polymer film. An initial electric characteristics memory means 22 at a control section 2 stores the resistance at a new gas sensor section 1 immediately after fixing thereof. An aging measuring means 21 monitors the resistance at the gas sensor section 1 at a preset constant time interval. A decision means 23 compares current resistance measured by the means 21 with a reference value determined from a resistance data stored in the means 22 and delivers a signal to an informing means 3 when the reference value is exceeded. The means 3 informs a measuring person of a replacing time through an alarm, or the like.
Patent JP-H06170518-A (JP)
Title: Immersion tube heater
Inventor: YOSHIDA FUJIO
IPC: H05B3/78
Filed: 1992-12-09
Abstract: PURPOSE:To prevent the occurrence of crack on a tube body consisting of refractories of an immersion tube heater by making the part of the tube body included with a heating-wire heater the horizontal part along tube body furnace bottom and always positioning the heater part in the molten metal. CONSTITUTION:The immersion tube heater 13 consists of the horizontal part 14 along the bottom wall of a heating furnace and an upper part 16 connected to this horizontal part through an elbow and extended upward, and is provided with the heater 20 in the horizontal part. Further, the immersion tube heater 13 has a hanging hook at one end of the horizontal part. The immersion tube heater 13 consists of the hollow horizontal part 14 the elbow, i. e., a connection part 15 and an upward upper part 16 made of ceramic refractories mainly consisting of silicon carbide or silicon nitride having good thermal conductivity, and a flange 31 is provided at the opening end of the upper part. The hanging hook 17 is fixed to be freely attached/detached to the one end of the horizontal part 14, and the upper end is supported with a furnace top wall. By this method, the production of oxide on the molten metal surface is suppressed and the oxide deposited on the tube body can be reduced to improve the service life and the heat conductivity of the tube body.
Patent JP-2000183213-A (JP)
Title: Manufacture of chip-sized package
Inventor: TAKAO YUKIHIRO
IPC: H01L23/12
Filed: 1998-12-10
Abstract: PROBLEM TO BE SOLVED: To suppress to the utmost the increase in the number of masks and an increase in the man-hours in the manufacturing method of a chip-sized package, by a method wherein a barrier layer covering a metal electrode pad is formed on the side more inner than a wiring layer, and after a Cu plating is applied, an electrode only for plating is etched using the wiring layer as the mask. SOLUTION: An Al electrode pad 2 is formed on a semiconductor substrate 1, a passivation film 3 consisting of an SiN film is formed on the surface of the substrate 1 in such a way as to cover this pad 2 to provide an aperture on the pad 2, a Cr film is sputtered over the whole surface of the film 3 to make the Cr film adhere on the film 3, the Cr film is subjected to wet etching, and a barrier layer 4 is formed on the Cr film in such a way as to cover the pad 2. An electrode layer 5 for plating consisting of a Cu layer is formed on the whole surface of the layer 4 by sputtering, photoresist layers 6 are formed on prescribed regions of the electrode layer 5, a wiring layer 7 is formed to remove the layers 6, the unwanted part of the layer 5 is removed using the layer 7 as a mask, and the layer 5 is left only under the layer 7.  Accordingly, a chip-sized package can be formed y a manufacturing method, wherein it is made possible to perform a processing on the layer 4 through the wet etching and an increase in the number of masks and an increase in man-hours are suppressed to the utmost.
Patent JP-H11137050-A (JP)
Title: Leek harvester
Inventor: MURAMATSU HIROAKI
IPC: A01D45/00
Filed: 1997-11-13
Abstract: PROBLEM TO BE SOLVED: To eliminate the hard labor in the conventional manual harvesting work of leek necessitating a slouching posture. SOLUTION: A traveling part is connected with a harvesting part provided with an electric clipper 4 and a transfer frame inclined forward. The objective machine for the reaping and harvesting of leek B planted on a field is provided with an electric clipper 4 placed under the front part of the harvester main body, a roller 5 to keep constant cutting height, a transfer frame inclined forward, a driving pulley having a guide pulley at the front end and an electric geared motor at the rear end, an endless sponge rubber belt extended over the guide pulley and the driving pulley, a driving means to rotate the endless sponge rubber belt in a prescribed direction by the driving pulley and a box 11 for holding the harvested leek.
Patent JP-H11286677-A (JP)
Title: Polishing method, production of optical element and polishing suspension
Inventor: FUKUI TATSUO
IPC: B24B37/00
Filed: 1998-12-11
Abstract: PROBLEM TO BE SOLVED: To inhibit the occurrence of optical defects, such as microscratches, on the surface of an object to be polished without detriment to the surface properties even when the object is a deliquescent crystal and thus to provide a polished object with good surface properties by polishing the object with a suspension comprising a fine silicon oxide powder and a liq. satd. hydrocarbon lubricant. SOLUTION: A silica powder having an average particle size of 0.1 μm or lower is used in an amt. of 0.1-10 wt.% of the liq. lubricant. The lubricant is selected from cyclic hydrocarbons having a cyclopentane or cyclohexane structure in the molecule. A polishing surface plate 10 is fixed on a rotary polishing plate 11, above which a suspension spray nozzle 14 is arranged wherewith a suspension 18 is sprayed. The suspension contains a silica powder 17 homogeneously dispersed therein, which acts as semifree abrasive grains 19 for polishing a surface 21 of an object 20 into a mirrorlike surface. The lubricant 16 forms, by its surface tension, a liq. suspension layer 15 with a certain thickness, thus reducing heat generation during polishing.
Patent JP-2000080404-A (JP)
Title: Method for firing noble metal clay and jig for firing
Inventor: KAWANOBE AKIO
IPC: C04B33/32
Filed: 1998-12-11
Abstract: PROBLEM TO BE SOLVED: To easily and simply execute firing by directly applying gas burner flame to a compacted body. SOLUTION: The surface of a tray-shaped heat insulating refractory 3 placed on a table 4 is mounted with a noble metal clay compacted body 1, and, the noble metal clay compacted body 1 is directly applied with gas burner flame 2 from the above, by which firing is executed. At this time, as the pan-shaped heat insulating refractory 3, a sheet, a tray or a vessel made of ceramics can be used. Moreover, As the gas burner, a handy type gas burner obtd. by fitting a burner nozzle to a portable gas bomb is used, by which the gas burner flame 2 is easily generated, and the noble metal clay compacted body 1 can easily be fired. Furthermore, the gas burner flame 2 can be applied while the position to be applied is easily deviated, so that the whole can uniformly be fired.  In the case the compacted body is thin, preferably, the burner flame is applied in such a manner that the compacted body is shallowly buried into the ceramic powder.
Patent JP-H10169020-A (JP)
Title: Mounting structure for acl panel on continuous footing
Inventor: NAGAI MASASHI
IPC: E04B2/56
Filed: 1996-12-12
Abstract: PROBLEM TO BE SOLVED: To reduce panel mounting cost by applying the constitution that a lock member is welded to a long-sized steel plate laid on and secured to footing upper surface, the butt end of a panel lower part is placed on the lock member, the lower part of the panel is locked with the standing plate of the lock member and the upper part of the panel is locked with the backing member of a building frame. SOLUTION: A panel 2 is placed on the horizontal plate 6d of a steel lock member 6 having T-shaped cross section, and a lower lock part 8 on the breadthwise center of the lower part of the panel 2 is secured with a bolt 7, together with the standing plate 6e of the lock member 6. Also, a long-sized steel plate 5 is further laid on an anchor plate 4 fixed to an anchor 3 buried in a continuous footing 1, and the surrounding part 6f of the horizontal plate of the lock member 6 is welded to the steel plate 5. The lock member 6 is thereby secured for fixing the panel 2. In this case the horizontal plate 6d of the lock member 6 is capable of preventing the corner part of the panel 2 from being cut due to interference with the continuous footing 1, or vertically erecting and fixing the panel 2. As a result, the work manhour can be reduced by half, resulting in cost reduction.