Inventor · disambiguated record
Masao Kawaguchi
Also filed as: KAWAGUCHI MASAO
19 granted patents·7 pending applications·222 citations·filing 1984–2021
93Inventor score
Top patents by PatentIndex Score
26 records- 0189US4611562AMethod and system for internal combustion engine oxygen sensor heating control which provide sensor heating limited for reliable operationTOYOTA MOTOR CO LTD·Filed 1984·Granted Sep 16, 1986·55 cites·14 claims
- 0285US4694809AMethod and system for internal combustion engine oxygen sensor heating control with time smoothingTOYOTA MOTOR CO LTD·Filed 1986·Granted Sep 22, 1987·28 cites·5 claims
- 0381US4569748AOxygen sensorNIPPON DENSO CO·Filed 1985·Granted Feb 11, 1986·48 cites·6 claims
- 0479US9214788B2Semiconductor light emitting elementPANASONIC IP MAN CO LTD·Filed 2014·Granted Dec 15, 2015·4 cites·7 claims
- 0571US6448578B1Thin-film transistor and liquid crystal display deviceSHARP KK·Filed 1999·Granted Sep 10, 2002·26 cites·10 claims
- 0662US8173264B2Resin composition and metal laminate plateKAWAGUCHI MASAO·Filed 2006·Granted May 8, 2012·1 cites·6 claims
- 0762US4626337AOxygen sensorNIPPON DENSO CO·Filed 1985·Granted Dec 2, 1986·22 cites·5 claims
- 0858US6048466AMethod of cleaning glass substrate for magnetic disk or semiconductor substrateFINE GLASS TECHNOLOGY CO LTD·Filed 1998·Granted Apr 11, 2000·15 cites·5 claims
- 0957US6744070B2Thin film transistor and liquid crystal display deviceSHARP KK·Filed 2002·Granted Jun 1, 2004·6 cites·8 claims
- 1057US4563991AEngine air/fuel ratio control method and system selectively providing feedback control or open loop control according to oxygen sensor heating conditionTOYOTA MOTOR CO LTD·Filed 1984·Granted Jan 14, 1986·11 cites·4 claims
- 1157US2008299402A1Polyimide film, polyimide metal laminate and process for producing the sameMITSUI CHEMICALS INC·Filed 2007·Application pending·0 cites
- 1256US12034100B2Semiconductor light-emitting devicePANASONIC CORP·Filed 2019·Granted Jul 9, 2024·0 cites·7 claims
- 1355US6913685B2Method of modifying the surface of plastic substrateUNIP CORP CO LTD·Filed 2002·Granted Jul 5, 2005·2 cites·8 claims
- 1455US6461445B1Method of finishing glass substrateUNIP CORP CO LTD·Filed 2000·Granted Oct 8, 2002·4 cites·6 claims
- 1553US2023119356A1Semiconductor laser elementPANASONIC HOLDINGS CORP·Filed 2021·Application pending·0 cites
- 1653US2009280339A1Polyimide film, polyimide metal laminate using same, and method for manufacturing sameMITSUI CHEMICALS INC·Filed 2006·Application pending·0 cites
- 1751US8000365B2Semiconductor laser devicePANASONIC CORP·Filed 2009·Granted Aug 16, 2011·0 cites·6 claims
- 1849US11322909B2Semiconductor laser devicePANASONIC IP MAN CO LTD·Filed 2017·Granted May 3, 2022·0 cites·9 claims
- 1946US8472491B2Semiconductor laser deviceKAWAGUCHI MASAO·Filed 2009·Granted Jun 25, 2013·0 cites·14 claims
- 2045US8119429B2Method for fabricating nitride semiconductor laser device and nitride semiconductor laser deviceTAMURA SATOSHI·Filed 2007·Granted Feb 21, 2012·0 cites·13 claims
- 2144US10141720B2Nitride semiconductor laser elementPANASONIC CORP·Filed 2018·Granted Nov 27, 2018·0 cites·11 claims
- 2242US2011180394A1Sputtering method and sputtering apparatusISOBE TATSUNORI·Filed 2008·Application pending·0 cites
- 2342US2006214574A1Light emitting element and method for manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 2441US8422526B2Semiconductor laser device and method for manufacturing the sameSAMONJI KATSUYA·Filed 2009·Granted Apr 16, 2013·0 cites·19 claims
- 2541US2010074290A1Semiconductor laser deviceKAWAGUCHI MASAO·Filed 2008·Application pending·0 cites
- 2629US2003172874A1Mechanism and method for supporting substrate to be coated with filmFiled 1999·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →