Inventor · disambiguated record
Kazutaka Koyama
Also filed as: KOYAMA KAZUTAKA
5 granted patents·82 citations·filing 1981–1993
80Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD5
Top patents by PatentIndex Score
5 records- 0180US5365152AApparatus for controlling the power to a discharge-lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Nov 15, 1994·46 cites·5 claims
- 0267US4370601AHigh pressure discharge lamp apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Jan 25, 1983·22 cites·5 claims
- 0339US5466988AHigh pressure discharge lamp having improved convection regulating meansMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Nov 14, 1995·5 cites·17 claims
- 0439US4378513AHigh pressure discharge lamp apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Mar 29, 1983·7 cites·4 claims
- 0535US4600862ADischarge lamp operation apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Jul 15, 1986·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →