Inventor · disambiguated record
Masataka Ozawa
Also filed as: OZAWA MASATAKA
10 granted patents·1 pending application·226 citations·filing 1984–2025
90Inventor score
Top patents by PatentIndex Score
11 records- 0182US5233273ADischarge lamp starting circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Aug 3, 1993·66 cites·14 claims
- 0281US5023516ADischarge lamp operation apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Jun 11, 1991·41 cites·20 claims
- 0380US5365152AApparatus for controlling the power to a discharge-lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Nov 15, 1994·46 cites·5 claims
- 0466US5444336AAn inverter driven lamp arrangement having a current detection circuitry coupled to a resonant output circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Aug 22, 1995·30 cites·19 claims
- 0563US2025327495A1Ratchet type clutch deviceNSK WARNER KK·Filed 2025·Application pending·0 cites
- 0648US6211620B1Ballast for fluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Apr 3, 2001·12 cites·5 claims
- 0748US6054815ABallast for a discharge lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Apr 25, 2000·12 cites·11 claims
- 0844US5880562AFluorescent lamp lighting apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Mar 9, 1999·12 cites·4 claims
- 0939US5466988AHigh pressure discharge lamp having improved convection regulating meansMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Nov 14, 1995·5 cites·17 claims
- 1035US11240588B2Sound reproducing apparatusSONY CORP·Filed 2016·Granted Feb 1, 2022·0 cites·10 claims
- 1135US4600862ADischarge lamp operation apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Jul 15, 1986·2 cites·2 claims
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