Inventor · disambiguated record
Koichi Gen-Ei
Also filed as: GEN-EI KOICHI
7 granted patents·2 pending applications·119 citations·filing 1991–2004
85Inventor score
Technology areasH01S
Top patents by PatentIndex Score
9 records- 0193US6618420B1Monolithic multi-wavelength semiconductor laser unitTOSHIBA KK·Filed 2000·Granted Sep 9, 2003·53 cites·17 claims
- 0283US6804276B2Semiconductor laser device which removes influences from returning light of three beams and a method of manufacturing the sameTOSHIBA KK·Filed 2001·Granted Oct 12, 2004·23 cites·25 claims
- 0383US6628689B2Semiconductor laser device and method of fabricating the sameTOSHIBA KK·Filed 2001·Granted Sep 30, 2003·19 cites·12 claims
- 0459US7164701B2Semiconductor laser and method for manufacturing the sameTOSHIBA KK·Filed 2003·Granted Jan 16, 2007·5 cites·19 claims
- 0553US7295588B2Semiconductor laser element, method of fabrication thereof, and multi-wavelength monolithic semiconductor laser deviceTOSHIBA KK·Filed 2003·Granted Nov 13, 2007·3 cites·2 claims
- 0651US5229879ASemiconductor laser amplifierTOSHIBA KK·Filed 1991·Granted Jul 20, 1993·15 cites·14 claims
- 0745US7221692B2Semiconductor laser device and its manufacturing methodTOSHIBA KK·Filed 2004·Granted May 22, 2007·1 cites·3 claims
- 0842US2004032895A1Semiconductor laser device and method of fabricating the sameTOKYO SHIBAURA ELECTRIC CO·Filed 2003·Application pending·0 cites
- 0938US2003043875A1Semiconductor laser and method of manufacturing the sameTOSHIBA KK·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →