Inventor · disambiguated record
Martin F. C. Willemsen
Also filed as: WILLEMSEN MARTIN F C
2 granted patents·24 citations·filing 1994–1999
60Inventor score
Technology areasH01J
Top patents by PatentIndex Score
2 records- 0157US5530317AHigh-pressure metal halide discharge lamp with electrodes substantially free of thorium oxidePHILIPS CORP·Filed 1994·Granted Jun 25, 1996·16 cites·16 claims
- 0241US6590342B1Metal halide lamp having halide resistant current conductorsKONINKL PHILIPS ELECTRONICS NV·Filed 1999·Granted Jul 8, 2003·8 cites·16 claims
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