Inventor · disambiguated record
Yasuo Tanaka
Also filed as: TANAKA YASUO
169 granted patents·23 pending applications·3,097 citations·filing 1974–2023
99Inventor score
Files withHITACHI LTD31OKI ELECTRIC IND CO LTD17MITSUI CHEMICALS INC14HITACHI CONSTRUCTION MACHINERY11MITSUBISHI GAS CHEMICAL CO10
Top patents by PatentIndex Score
192 records- 0197US6280641B1Printed wiring board having highly reliably via hole and process for forming via holeMITSUBISHI GAS CHEMICAL CO·Filed 1999·Granted Aug 28, 2001·147 cites·16 claims
- 0297US5359206AThin film transistor substrate, liquid crystal display panel and liquid crystal display equipmentHITACHI LTD·Filed 1990·Granted Oct 25, 1994·168 cites·17 claims
- 0396US5998039APolypropylene composition and uses thereofMITSUI CHEMICALS INC·Filed 1997·Granted Dec 7, 1999·147 cites·23 claims
- 0496US4967557AControl system for load-sensing hydraulic drive circuitHITACHI CONSTRUCTION MACHINERY·Filed 1989·Granted Nov 6, 1990·90 cites·12 claims
- 0594US7405138B2Manufacturing method of stack-type semiconductor deviceOKI ELECTRIC IND CO LTD·Filed 2005·Granted Jul 29, 2008·28 cites·9 claims
- 0694US6353267B1Semiconductor device having first and second sealing resinsOKI ELECTRIC IND CO LTD·Filed 2000·Granted Mar 5, 2002·69 cites·9 claims
- 0793US7172162B2Clamp device for pipe or similar componentHONDA MOTOR CO LTD·Filed 2005·Granted Feb 6, 2007·44 cites·4 claims
- 0893US6421521B2Image forming apparatus forming an image by transferring each of the plurality of images formed by a plurality of image forming devices onto a transfer medium by means of transfer membersMINOLTA CO LTD·Filed 2001·Granted Jul 16, 2002·47 cites·30 claims
- 0993US4228977AKiteTANAKA YASUO·Filed 1979·Granted Oct 21, 1980·51 cites·7 claims
- 1092US5382333AProcess for producing copper clad laminateMITSUBISHI GAS CHEMICAL CO·Filed 1992·Granted Jan 17, 1995·112 cites·1 claims
- 1192US5032531AMethod of manufacturing active matrix panelHITACHI LTD·Filed 1989·Granted Jul 16, 1991·97 cites·19 claims
- 1291US6055851AApparatus for diagnosing failure of hydraulic pump for work machineHITACHI CONSTRUCTION MACHINERY·Filed 1997·Granted May 2, 2000·86 cites·10 claims
- 1391US5087767AMethod for preparing bisphenol aMITSUI TOATSU CHEMICALS·Filed 1990·Granted Feb 11, 1992·39 cites·14 claims
- 1490US6562658B2Method of making semiconductor device having first and second sealing resinsOKI ELECTRIC IND CO LTD·Filed 2001·Granted May 13, 2003·45 cites·3 claims
- 1590US5056312AHydraulic drive system for construction machinesHITACHI CONSTRUCTION MACHINERY·Filed 1989·Granted Oct 15, 1991·47 cites·15 claims
- 1689US6021287AImage forming apparatus having transfer devices and method for setting transfer voltage applied to the transfer devicesMINOLTA CO LTD·Filed 1999·Granted Feb 1, 2000·47 cites·14 claims
- 1788US4508414AShielded cable-connector assemblyDAINICHI NIPPON CABLES LTD·Filed 1982·Granted Apr 2, 1985·67 cites·7 claims
- 1887US8794848B2Optical moduleFUJITSU OPTICAL COMPONENTS LTD·Filed 2013·Granted Aug 5, 2014·8 cites·9 claims
- 1987US5719408AThin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipmentHITACHI LTD·Filed 1997·Granted Feb 17, 1998·49 cites·8 claims
- 2086US7127191B2Cleaning device for collecting toner on a surface of an image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2004·Granted Oct 24, 2006·28 cites·8 claims
- 2186US4412900AMethod of manufacturing photosensorsHITACHI LTD·Filed 1982·Granted Nov 1, 1983·51 cites·27 claims
- 2283US6031326AElectron gun with electrode supportsHITACHI LTD·Filed 1998·Granted Feb 29, 2000·35 cites·14 claims
- 2382US6214447B1Laminating propylene/1-butene random copolymer composition and composite film using the sameMITSUI CHEMICALS INC·Filed 1998·Granted Apr 10, 2001·40 cites·12 claims
- 2482US4809504AControl system for controlling input power to variable displacement hydraulic pumps of a hydraulic systemHITACHI CONSTRUCTION MACHINERY·Filed 1987·Granted Mar 7, 1989·41 cites·20 claims
- 2581US7788221B2Electronic file conversion program, electronic file conversion apparatus, electronic file conversion system, computer data signal, and electronic conversion methodFUJI XEROX CO LTD·Filed 2006·Granted Aug 31, 2010·11 cites·12 claims
- 2681US6686055B2Polypropylene composite filmMITSUI CHEMICALS INC·Filed 2002·Granted Feb 3, 2004·20 cites·6 claims
- 2781US4990981AThin film transistor and a liquid crystal display device using sameHITACHI LTD·Filed 1989·Granted Feb 5, 1991·45 cites·20 claims
- 2880US5056846APartition plate for automotive vehicleIKEDA BUSSAN CO·Filed 1991·Granted Oct 15, 1991·48 cites·7 claims
- 2979US7696009B2Method for fabricating a semiconductor device having a heat radiation layerOKI SEMICONDUCTOR CO LTD·Filed 2006·Granted Apr 13, 2010·5 cites·12 claims
- 3079US7547624B2Semiconductor device and method of producing the sameOKI SEMICONDUCTOR CO LTD·Filed 2007·Granted Jun 16, 2009·8 cites·10 claims
- 3179US7019397B2Semiconductor device, manufacturing method of semiconductor device, stack type semiconductor device, and manufacturing method of stack type semiconductor deviceOKI ELECTRIC IND CO LTD·Filed 2001·Granted Mar 28, 2006·23 cites·11 claims
- 3279US6713562B2Resin compositions and use of the sameMITSUI CHEMICALS INC·Filed 2002·Granted Mar 30, 2004·14 cites·1 claims
- 3379US5889573AThin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipmentHITACHI LTD·Filed 1997·Granted Mar 30, 1999·31 cites·11 claims
- 3479US5585290AMethod of manufacturing a thin film transistor substrateHITACHI LTD·Filed 1993·Granted Dec 17, 1996·29 cites·10 claims
- 3578US9373449B2Solid electrolytic capacitorSANYO ELECTRIC CO·Filed 2014·Granted Jun 21, 2016·2 cites·18 claims
- 3678US7977229B2Method for fabricating resin-molded semiconductor device having posts with bumpsOKI SEMICONDUCTOR CO LTD·Filed 2007·Granted Jul 12, 2011·6 cites·12 claims
- 3778US7767553B2Method and apparatus for printing conductive inkOKI SEMICONDUCTOR CO LTD·Filed 2005·Granted Aug 3, 2010·7 cites·13 claims
- 3877US9450698B2Optical transmission device, optical transmission system, and optical transmission methodFUJITSU LTD·Filed 2014·Granted Sep 20, 2016·4 cites·6 claims
- 3977US4599583AMixed dual frequency generating systemFUJITSU LTD·Filed 1984·Granted Jul 8, 1986·41 cites·11 claims
- 4076US11805803B2Flavor-containing sheet for smoking article and smoking article comprising the sameJAPAN TOBACCO INC·Filed 2022·Granted Nov 7, 2023·0 cites·11 claims
- 4176US7740323B2Hydraulic drive device for vertical pivoting movement of load carrying platformHITACHI CONSTRUCTION MACHINERY·Filed 2006·Granted Jun 22, 2010·8 cites·8 claims
- 4275US6969562B2Fuel cell power generation method and systemEBARA CORP·Filed 2001·Granted Nov 29, 2005·21 cites·12 claims
- 4375US6337463B1Method of making through hole with laser, copper-clad laminate suitable for making hole, and auxiliary material for making holeMITSUBISHI GAS CHEMICAL CO·Filed 1999·Granted Jan 8, 2002·28 cites·10 claims
- 4475US6191219B1Polypropylene resin composition and non-stretched film thereofMITSUI CHEMICALS INC·Filed 1999·Granted Feb 20, 2001·29 cites·7 claims
- 4575US5285642ALoad sensing control system for hydraulic machineHITACHI CONSTRUCTION MACHINERY·Filed 1991·Granted Feb 15, 1994·35 cites·11 claims
- 4675US5026764AResin composition based on modified polyphenylene ether and polyphenylene sulfide, and molded articles therefromMITSUBISHI GAS CHEMICAL CO·Filed 1990·Granted Jun 25, 1991·20 cites·8 claims
- 4774US5672523AThin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipmentHITACHI LTD·Filed 1995·Granted Sep 30, 1997·24 cites·1 claims
- 4874US5200634AThin film phototransistor and photosensor array using the sameHITACHI LTD·Filed 1991·Granted Apr 6, 1993·40 cites·52 claims
- 4974US4834458ASeat cushion structureIKEDA BUSSAN CO·Filed 1988·Granted May 30, 1989·46 cites·15 claims
- 5073US7989081B2Resin composite copper foil, printed wiring board, and production processes thereofMITSUBISHI GAS CHEMICAL CO·Filed 2007·Granted Aug 2, 2011·5 cites·11 claims
Showing the top 50 of 192 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →