Inventor · disambiguated record
Martti Sairanen
Also filed as: SAIRANEN MARTTI
6 granted patents·144 citations·filing 1982–1998
85Inventor score
Top patents by PatentIndex Score
6 records- 0186US4553070AElectronic ballast for a discharge lampHELVAR OY·Filed 1982·Granted Nov 12, 1985·64 cites·6 claims
- 0271US4456855AIntensity regulator, especially a light regulatorHELVAR OY·Filed 1982·Granted Jun 26, 1984·22 cites·8 claims
- 0366US4719390AElectronic mains connection device for a gas discharge lampHELVAR OY·Filed 1984·Granted Jan 12, 1988·24 cites·9 claims
- 0450US5034660AMethod of and apparatus for supplying high frequency alternating current to a fluorescence lampHELVAR OY·Filed 1988·Granted Jul 23, 1991·14 cites·6 claims
- 0543US4492897AMeans for limiting and controlling the current of a discharge lampHAUENKALLIONTIE 6 A 4·Filed 1982·Granted Jan 8, 1985·11 cites·3 claims
- 0640US6160693AShort circuit protection for a semiconductor switchLEXEL FINLAND AB OY·Filed 1998·Granted Dec 12, 2000·9 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →