Inventor · disambiguated record
Masaaki Ohshima
Also filed as: OHSHIMA MASAAKI
15 granted patents·5 pending applications·90 citations·filing 1983–2013
91Inventor score
Files withORIGIN ELECTRIC7OHSHIMA MASAAKI4MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2NISSAN CHEMICAL IND LTD2TOKYO ELECTRIC POWER CO2
Top patents by PatentIndex Score
20 records- 0173US7602627B2Electrical power source, operational method of the same, inverter and operational method of the sameORIGIN ELECTRIC·Filed 2006·Granted Oct 13, 2009·12 cites·11 claims
- 0273US7184282B2Single-phase power conversion device and three-phase power conversion deviceTOKYO ELECTRIC POWER CO·Filed 2006·Granted Feb 27, 2007·12 cites·14 claims
- 0371US7495936B2Three-phase voltage-fed AC/DC converterORIGIN ELECTRIC·Filed 2007·Granted Feb 24, 2009·11 cites·13 claims
- 0467US8542511B2Single-phase voltage source AC/DC converter and interconnection systemOHSHIMA MASAAKI·Filed 2011·Granted Sep 24, 2013·3 cites·9 claims
- 0567US7889527B2Electrical power source, operational method of the same, inverter and operational method of the sameORIGIN ELECTRIC·Filed 2009·Granted Feb 15, 2011·8 cites·14 claims
- 0657US8553436B2Synchronization detecting circuit and automatic synchronous parallelization apparatusOHSHIMA MASAAKI·Filed 2011·Granted Oct 8, 2013·2 cites·10 claims
- 0753US8848406B2Single-phase voltage type AC/DC converter, three-phase voltage type AC/DC converter, and stabilization control methodOHSHIMA MASAAKI·Filed 2011·Granted Sep 30, 2014·1 cites·20 claims
- 0850US9154050B2Static synchronous compensator and voltage control methodORIGIN ELECTRIC·Filed 2013·Granted Oct 6, 2015·0 cites·9 claims
- 0949US4644552ASemiconductor laserMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Feb 17, 1987·9 cites·6 claims
- 1048US2013294127A1Single-phase voltage source dc-ac power converter and three-phase voltage source dc-ac power converterORIGIN ELECTRIC·Filed 2013·Application pending·0 cites
- 1147US9712075B2Method of controlling single-phase voltage source AC/DC converter and interconnection systemORIGIN ELECTRIC·Filed 2013·Granted Jul 18, 2017·0 cites·4 claims
- 1247US4661960ASemiconductor lasersMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Apr 28, 1987·8 cites·8 claims
- 1345US4568093AMethod of operating vehicle height adjusting apparatusHONDA MOTOR CO LTD·Filed 1983·Granted Feb 4, 1986·12 cites·7 claims
- 1444US2015145328A1Distributed power system and operation methodORIGIN ELECTRIC·Filed 2013·Application pending·0 cites
- 1542US8503206B2Single-phase voltage source DC-AC power converter and three-phase voltage source DC-AC power converterOHSHIMA MASAAKI·Filed 2010·Granted Aug 6, 2013·0 cites·6 claims
- 1640US5538808ASodium sulfur cell and process of manufacturing the sameTOKYO ELECTRIC POWER CO·Filed 1994·Granted Jul 23, 1996·10 cites·10 claims
- 1738US2008125016A1Method for Producing Polishing Agent, Polishing Agent Produced Thereby and Method for Producing Silicon WaferSHINETSU HANDOTAI KK·Filed 2005·Application pending·0 cites
- 1837US2009127501A1Polishing Composition for Silicon WaferNISSAN CHEMICAL IND LTD·Filed 2006·Application pending·0 cites
- 1936US2008115423A1Polishing Composition For Silicon WaferNISSAN CHEMICAL IND LTD·Filed 2005·Application pending·0 cites
- 2029US5024907ASolid electrolyte tube for sodium sulfur cells and surface finishing process thereofTOKYO ELECTRIC CO LTD·Filed 1989·Granted Jun 18, 1991·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →