Inventor · disambiguated record
Isao Tanaka
Also filed as: TANAKA ISAO
78 granted patents·30 pending applications·1,591 citations·filing 1976–2025
99Inventor score
Files withCANON KK11CHEVRON JAPAN LTD11MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8CHEVRON ORONITE CO5PANASONIC CORP5
Top patents by PatentIndex Score
108 records- 0198US7250226B2Phosphorescent compound, a phosphorescent composition and an organic light-emitting deviceSHOWA DENKO KK·Filed 2002·Granted Jul 31, 2007·966 cites·27 claims
- 0294US8999576B2Cathode active material, cathode and nonaqueous secondary batteryOHIRA KOJI·Filed 2010·Granted Apr 7, 2015·14 cites·18 claims
- 0393US9337489B2Cathode active material, cathode and nonaqueous secondary batterySHARP KK·Filed 2015·Granted May 10, 2016·5 cites·4 claims
- 0493US9316310B2Working machineKINUGAWA RYOSUKE·Filed 2012·Granted Apr 19, 2016·33 cites·4 claims
- 0590US9419280B2Cathode active material, cathode and nonaqueous secondary batterySHARP KK·Filed 2014·Granted Aug 16, 2016·5 cites·8 claims
- 0690US9350022B2Cathode active material, cathode and nonaqueous secondary batterySHARP KK·Filed 2014·Granted May 24, 2016·5 cites·13 claims
- 0789US5722165AMethod of producing a cast wheelTOPY IND·Filed 1996·Granted Mar 3, 1998·37 cites·7 claims
- 0887US6950545B1Nondestructive inspection method and apparatusHITACHI LTD·Filed 2000·Granted Sep 27, 2005·30 cites·33 claims
- 0986US8609280B2Positive electrode active substance containing lithium-containing metal oxide, positive electrode, and non-aqueous electrolyte secondary batteryOHIRA KOJI·Filed 2011·Granted Dec 17, 2013·6 cites·9 claims
- 1086US4496258AWriting pen with space behind nibPILOT INK CO LTD·Filed 1983·Granted Jan 29, 1985·42 cites·1 claims
- 1181US7215807B2Nondestructive inspection method and apparatusHITACHI LTD·Filed 2005·Granted May 8, 2007·7 cites·10 claims
- 1279US7571342B2Processor system, instruction sequence optimization device, and instruction sequence optimization programPANASONIC CORP·Filed 2007·Granted Aug 4, 2009·8 cites·8 claims
- 1379US7507289B2Electroconductive 12CaO—7Al2O3 and compound of same type, and method for preparation thereofJAPAN SCIENCE & TECH AGENCY·Filed 2004·Granted Mar 24, 2009·12 cites·9 claims
- 1479US7145737B2Lens apparatus and virtual systemCANON KK·Filed 2005·Granted Dec 5, 2006·6 cites·16 claims
- 1579US6485062B2Multi-channel rotary jointNIPPON PILLAR PACKING·Filed 2001·Granted Nov 26, 2002·33 cites·4 claims
- 1676US7272253B2Method for non-destructive inspection, apparatus thereof and digital camera systemHITACHI LTD·Filed 2002·Granted Sep 18, 2007·15 cites·8 claims
- 1776US4743377APacking material for liquid chromatographySHISEIDO CO LTD·Filed 1986·Granted May 10, 1988·32 cites·29 claims
- 1875US7227391B2Semiconductor integrated circuit device and semiconductor integrated circuit systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jun 5, 2007·7 cites·10 claims
- 1975US6579628B2Multi-layered anti-coking heat resistant metal tube and method for manufacture thereofDAIDO STEEL CO LTD·Filed 2001·Granted Jun 17, 2003·20 cites·14 claims
- 2073US7511903B2Lens apparatusCANON KK·Filed 2008·Granted Mar 31, 2009·3 cites·4 claims
- 2172US10003910B2Data communication system for agricultural machineKUBOTA KK·Filed 2013·Granted Jun 19, 2018·3 cites·3 claims
- 2272US7767603B2Basalt fiber materialTOYOTA MOTOR CO LTD·Filed 2006·Granted Aug 3, 2010·4 cites·6 claims
- 2370US7624295B2Processor system, instruction sequence optimization device, and instruction sequence optimization programPANASONIC CORP·Filed 2004·Granted Nov 24, 2009·16 cites·11 claims
- 2469US4788266ASoluble and curable fluorine-containing copolymerCENTRAL GLASS CO LTD·Filed 1987·Granted Nov 29, 1988·17 cites·8 claims
- 2568US7362353B2Autofocus lens apparatus and image pickup systemCANON KK·Filed 2003·Granted Apr 22, 2008·8 cites·3 claims
- 2668US7206950B2Processor system, instruction sequence optimization device, and instruction sequence optimization programMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Apr 17, 2007·11 cites·17 claims
- 2767US4652592AMethod of producing shaped body of cross-linked fluorine-containing graft copolymer by using radiationCENTRAL GLASS CO LTD·Filed 1985·Granted Mar 24, 1987·19 cites·12 claims
- 2866US12353123B2Semiconductor manufacturing apparatus and semiconductor manufacturing method thereofWINBOND ELECTRONICS CORP·Filed 2022·Granted Jul 8, 2025·0 cites·12 claims
- 2966US7462827B2Non-destructive inspection method and apparatus thereforHITACHI GE NUCLEAR ENERGY LTD·Filed 2005·Granted Dec 9, 2008·1 cites·20 claims
- 3064US7498833B2Semiconductor integrated circuitPANASONIC CORP·Filed 2007·Granted Mar 3, 2009·4 cites·39 claims
- 3163US8546220B1Method for fabricating buried bit linesTANAKA ISAO·Filed 2012·Granted Oct 1, 2013·2 cites·10 claims
- 3263US6278305B1Semiconductor integrated circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Aug 21, 2001·17 cites·19 claims
- 3362US5408438ASemiconductor memoryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Apr 18, 1995·21 cites·10 claims
- 3462US5131674ALubricant for skisASAHI GLASS CO LTD·Filed 1990·Granted Jul 21, 1992·17 cites·12 claims
- 3561US9219843B2Communication terminal and computer readable mediumKUDO NOBUYUKI·Filed 2010·Granted Dec 22, 2015·2 cites·12 claims
- 3661US8154652B2Lens apparatus and shooting apparatus using sameTANAKA ISAO·Filed 2007·Granted Apr 10, 2012·1 cites·4 claims
- 3761US7329386B2Column packing material and method for producing the sameSHISEIDO CO LTD·Filed 2002·Granted Feb 12, 2008·6 cites·11 claims
- 3861US7250770B2Semiconductor integrated circuit deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Jul 31, 2007·3 cites·14 claims
- 3959US10395447B2Data collection device, working machine having data collection device, and system using data collection deviceKUBOTA KK·Filed 2014·Granted Aug 27, 2019·1 cites·4 claims
- 4059US5270894AMIG magnetic head structured to minimize pseudo-gap problemSANYO ELECTRIC CO·Filed 1993·Granted Dec 14, 1993·14 cites·7 claims
- 4158US9868661B2Glass lens blank for polishing, manufacturing method therefore, and optical lens manufacturing methodIKENISHI MIKIO·Filed 2014·Granted Jan 16, 2018·0 cites·17 claims
- 4258US8442036B2Image communication apparatusWATANABE SATOSHI·Filed 2009·Granted May 14, 2013·1 cites·3 claims
- 4358US8363127B2Movement signal generation apparatus, optical device, optical device control apparatus, and video production systemCANON KK·Filed 2008·Granted Jan 29, 2013·0 cites·10 claims
- 4458US7800851B2Lens apparatusCANON KK·Filed 2009·Granted Sep 21, 2010·0 cites·4 claims
- 4558US4642326APolyvinylidene fluoride base blend polymerCENTRAL GLASS CO LTD·Filed 1984·Granted Feb 10, 1987·13 cites·2 claims
- 4657US11854972B2Memory deviceWINBOND ELECTRONICS CORP·Filed 2021·Granted Dec 26, 2023·0 cites·18 claims
- 4756US10308521B2Zinc nitride compound and method for producing samePANASONIC CORP·Filed 2016·Granted Jun 4, 2019·0 cites·8 claims
- 4856US6975391B1Method and apparatus for non-destructive testingHITACHI LTD·Filed 1999·Granted Dec 13, 2005·16 cites·17 claims
- 4956US2025320423A1Method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines with molybdenum-containing lubricant compositionsCHEVRON ORONITE CO·Filed 2025·Application pending·0 cites
- 5055US11214754B2Low viscosity lubricating oil compositionCHEVRON JAPAN LTD·Filed 2018·Granted Jan 4, 2022·0 cites·19 claims
Showing the top 50 of 108 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →