Inventor · disambiguated record
Katsuhiko Tanaka
Also filed as: SUZUKI MASATOSI · TANAKA KATSUHIKO
99 granted patents·16 pending applications·1,675 citations·filing 1979–2021
99Inventor score
Top patents by PatentIndex Score
115 records- 0196US7719043B2Semiconductor device with fin-type field effect transistor and manufacturing method thereof.NEC CORP·Filed 2005·Granted May 18, 2010·64 cites·22 claims
- 0296US5683183ASpindle device and bearing device thereforNSK LTD·Filed 1996·Granted Nov 4, 1997·78 cites·4 claims
- 0394US10500820B2Laminating apparatus and laminating method using the sameSAMSUNG DISPLAY CO LTD·Filed 2017·Granted Dec 10, 2019·6 cites·9 claims
- 0494US5325144APhotographic film curling correcting method and apparatusFUJI PHOTO FILM CO LTD·Filed 1993·Granted Jun 28, 1994·27 cites·17 claims
- 0593US6172847B1Rotational assembly for disc drive device having small runout and reduced axial displacementNSK LTD·Filed 1998·Granted Jan 9, 2001·63 cites·9 claims
- 0693US6028360ASemiconductor integrated circuit device in which a conductive film is formed over a trap film which in turn is formed over a titanium filmHITACHI LTD·Filed 1998·Granted Feb 22, 2000·101 cites·2 claims
- 0791US4934836ADynamic pressure type fluid bearing deviceNIPPON SEIKO KK·Filed 1989·Granted Jun 19, 1990·65 cites·6 claims
- 0890US4839255AProcess for producing toner for developing electrostatic imagesCANON KK·Filed 1988·Granted Jun 13, 1989·36 cites·33 claims
- 0989US4737432APositively chargeable toner and developer for developing electrostatic images contains di-organo tin borate charge controllerCANON KK·Filed 1986·Granted Apr 12, 1988·32 cites·51 claims
- 1086US6634103B2Method of stabilizing high-speed control of ball bearing deviceNSK LTD·Filed 2001·Granted Oct 21, 2003·18 cites·5 claims
- 1185US7859065B2Fin-type field effect transistor and semiconductor deviceNEC CORP·Filed 2006·Granted Dec 28, 2010·10 cites·5 claims
- 1285US7830703B2Semiconductor device and manufacturing method thereofNEC CORP·Filed 2005·Granted Nov 9, 2010·13 cites·35 claims
- 1385US6033118AHydro-dynamic fluid bearing device and manufacturing method of the sameNSK LTD·Filed 1998·Granted Mar 7, 2000·34 cites·8 claims
- 1485US4805972ADynamic pressure gas bearing deviceNIPPON SEIKO KK·Filed 1987·Granted Feb 21, 1989·42 cites·20 claims
- 1585US4701651AMotor unitNIPPON SEIKO KK·Filed 1985·Granted Oct 20, 1987·40 cites·6 claims
- 1685US4673631AToner, charge-imparting material and composition containing metal complexCANON KK·Filed 1985·Granted Jun 16, 1987·28 cites·31 claims
- 1784US10357951B2Laminating apparatus and laminating method using the sameSAMSUNG DISPLAY CO LTD·Filed 2017·Granted Jul 23, 2019·3 cites·22 claims
- 1884US4219359ASintered body of zirconia for oxygen concentration sensorNIPPON DENSO CO·Filed 1979·Granted Aug 26, 1980·37 cites·6 claims
- 1983US5289067ABearing deviceNSK LTD·Filed 1993·Granted Feb 22, 1994·41 cites·13 claims
- 2083US4547081ADynamic pressure type fluid bearingNIPPON SEIKO KK·Filed 1984·Granted Oct 15, 1985·31 cites·6 claims
- 2182US4328294ASolid electrolyte for use in oxygen concentration sensorNIPPON DENSO CO·Filed 1981·Granted May 4, 1982·28 cites·8 claims
- 2279US6081057ASpindel motor for a disc driveNSK LTD·Filed 1999·Granted Jun 27, 2000·32 cites·26 claims
- 2379US5882122ARolling bearing and spindle apparatusNSK LTD·Filed 1997·Granted Mar 16, 1999·31 cites·29 claims
- 2479US4902929AElectroluminescent device containing electroluminescent particles each covered with moisture proof filmMURATA MAUNFACTURING CO·Filed 1988·Granted Feb 20, 1990·34 cites·5 claims
- 2578US5930550AProcessing agent introducing apparatusFUJI PHOTO FILM CO LTD·Filed 1997·Granted Jul 27, 1999·7 cites·18 claims
- 2678US5327417AOptical disk drive and read/write apparatusNSK LTD·Filed 1992·Granted Jul 5, 1994·31 cites·18 claims
- 2777US6900412B2Glow plugNGK SPARK PLUG CO·Filed 2003·Granted May 31, 2005·12 cites·24 claims
- 2877US4328296ASolid electrolyte for use in oxygen concentration sensorNIPPON DENSO CO·Filed 1981·Granted May 4, 1982·31 cites·9 claims
- 2976US4798476ADynamic pressure type fluid bearingNIPPON SEIKO KK·Filed 1985·Granted Jan 17, 1989·32 cites·7 claims
- 3075US7386603B2Contents distributing server, contents distribution control method, program, and recording mediumCANON KK·Filed 2002·Granted Jun 10, 2008·10 cites·19 claims
- 3175US6605530B2Method for fabricating semiconductor integrated circuitHITACHI LTD·Filed 2002·Granted Aug 12, 2003·14 cites·24 claims
- 3275US6094322AApparatus for automatically exchanging record medium cassettes between a plurality of recording and reproducing devices and between cassette storage devicesASACA CORP·Filed 1997·Granted Jul 25, 2000·33 cites·7 claims
- 3373US9884474B2Bonding apparatus and method of fabricating curved display device using the sameSAMSUNG DISPLAY CO LTD·Filed 2014·Granted Feb 6, 2018·2 cites·18 claims
- 3472US6149010ACarrier for electronic partsFUJITSU TAKAMISAWA COMPONENT·Filed 1999·Granted Nov 21, 2000·40 cites·8 claims
- 3572US5488863AAngular velocity sensor making use of tuning fork vibrationMURATA MANUFACTURING CO·Filed 1994·Granted Feb 6, 1996·39 cites·13 claims
- 3672US4657838AToner, charge-imparting material and composition containing organotin alkoxideCANON KK·Filed 1986·Granted Apr 14, 1987·16 cites·13 claims
- 3771US8525555B2Power detectorPANASONIC CORP·Filed 2012·Granted Sep 3, 2013·3 cites·6 claims
- 3871US6853081B2Method for fabricating semiconductor integrated circuitHITACHI LTD·Filed 2003·Granted Feb 8, 2005·11 cites·18 claims
- 3971US6074098AHydro-dynamic fluid bearing device and manufacturing method of the sameNSK LTD·Filed 1999·Granted Jun 13, 2000·21 cites·17 claims
- 4071US4328295ASolid electrolyte for use in oxygen concentration sensorNIPPON DENSO CO·Filed 1981·Granted May 4, 1982·23 cites·9 claims
- 4170US6712513B2Fluid bearing deviceNSK LTD·Filed 2001·Granted Mar 30, 2004·12 cites·25 claims
- 4269US7390100B2Variable-shape mirror and optical pickup device therewithFUNAI ELECTRIC CO·Filed 2006·Granted Jun 24, 2008·5 cites·19 claims
- 4369US4856918ABearing deviceNIPPON SEIKO KK·Filed 1988·Granted Aug 15, 1989·25 cites·3 claims
- 4468US8551884B2Method of manufacturing semiconductor deviceTANAKA KATSUHIKO·Filed 2012·Granted Oct 8, 2013·2 cites·19 claims
- 4568US5508139AMagnetic toner for developing electrostatic imageCANON KK·Filed 1994·Granted Apr 16, 1996·18 cites·16 claims
- 4668US5360183APhotographic film cassette having a film anchorFUJI PHOTO FILM CO LTD·Filed 1991·Granted Nov 1, 1994·12 cites·5 claims
- 4767US5114245ADynamic pressure bearing deviceNIPPON SEIKO KK·Filed 1990·Granted May 19, 1992·26 cites·6 claims
- 4866US7371680B2Method of manufacturing semiconductor deviceELPIDA MEMORY INC·Filed 2005·Granted May 13, 2008·2 cites·16 claims
- 4965US10399321B2Apparatus for manufacturing a display device and a method using the sameSAMSUNG DISPLAY CO LTD·Filed 2017·Granted Sep 3, 2019·1 cites·20 claims
- 5065US6744015B2Heater and method for manufacturing the sameNGK SPARK PLUG CO·Filed 2002·Granted Jun 1, 2004·9 cites·18 claims
Showing the top 50 of 115 patent records by PatentIndex Score.
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