Inventor · disambiguated record
Masahito Ohnishi
Also filed as: OHNISHI MASAHITO
15 granted patents·543 citations·filing 1991–2016
94Inventor score
Top patents by PatentIndex Score
15 records- 0192US5761058APower converter apparatus for a discharge lampMATSUSHITA ELECTRIC WORKS LTD·Filed 1996·Granted Jun 2, 1998·133 cites·26 claims
- 0286US5434479AFull-bridge inverter for discharge lamp lighting device with varied transistor zero voltage periodMATSUSHITA ELECTRIC WORKS LTD·Filed 1993·Granted Jul 18, 1995·68 cites·17 claims
- 0385US5608614APower converterMATSUSHITA ELECTRIC WORKS LTD·Filed 1994·Granted Mar 4, 1997·75 cites·14 claims
- 0483US5920155AElectronic ballast for discharge lampsMATSUSHITA ELECTRIC WORKS LTD·Filed 1997·Granted Jul 6, 1999·61 cites·27 claims
- 0583US5610807APower converting system with a plurality of charging capacitorsMATSUSHITA ELECTRIC WORKS LTD·Filed 1995·Granted Mar 11, 1997·70 cites·29 claims
- 0682US6324078B1Power source deviceMATSUSHITA ELECTRIC WORKS LTD·Filed 2000·Granted Nov 27, 2001·32 cites·15 claims
- 0780US5444310AApparatus for operating discharge lampsMATSUSHITA ELECTRIC WORKS LTD·Filed 1994·Granted Aug 22, 1995·48 cites·17 claims
- 0877US9543836B2Control device of a power conversion circuitUNIV NAGASAKI·Filed 2013·Granted Jan 10, 2017·5 cites·4 claims
- 0971US8957591B2Illumination systemMURAKAMI YOSHINOBU·Filed 2012·Granted Feb 17, 2015·4 cites·11 claims
- 1063US9831950B2Visible light communication receiver, mobile object, and visible light communication systemPANASONIC IP MAN CO LTD·Filed 2016·Granted Nov 28, 2017·1 cites·14 claims
- 1155US6246181B1Discharge lamp lighting deviceMATSUSHITA ELECTRIC WORKS LTD·Filed 2000·Granted Jun 12, 2001·6 cites·19 claims
- 1255US5229690AApparatus for operating discharge lamps utilizing a capacitor and charging circuitMATSUSHITA ELECTRIC WORKS LTD·Filed 1991·Granted Jul 20, 1993·16 cites·20 claims
- 1348US5969963APower converting device supplying AC voltage of a continuous wave formMATSUSHITA ELECTRIC WORKS LTD·Filed 1998·Granted Oct 19, 1999·15 cites·8 claims
- 1444US9281742B2Control device for a power converter circuitUNIV NAGASAKI·Filed 2012·Granted Mar 8, 2016·0 cites·16 claims
- 1542US5804924ADischarge lamp with two voltage levelsMATSUSHITA ELECTRIC WORKS LTD·Filed 1996·Granted Sep 8, 1998·9 cites·23 claims
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