Inventor · disambiguated record
Toshihide Izumiya
Also filed as: IZUMIYA TOSHIHIDE
9 granted patents·2 pending applications·568 citations·filing 1989–2011
92Inventor score
Top patents by PatentIndex Score
11 records- 0194US5042043ASemiconductor laser using five-element compound semiconductorTOSHIBA KK·Filed 1990·Granted Aug 20, 1991·99 cites·16 claims
- 0293US5103271ASemiconductor light emitting device and method of fabricating the sameTOSHIBA KK·Filed 1990·Granted Apr 7, 1992·120 cites·5 claims
- 0393US5076860AAlgan compound semiconductor materialTOSHIBA KK·Filed 1989·Granted Dec 31, 1991·91 cites·12 claims
- 0487US5005057ASemiconductor light-emitting diode and method of manufacturing the sameTOSHIBA KK·Filed 1990·Granted Apr 2, 1991·98 cites·13 claims
- 0574US5822349ASemiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 1996·Granted Oct 13, 1998·40 cites·8 claims
- 0671US5273933AVapor phase growth method of forming film in process of manufacturing semiconductor deviceTOSHIBA KK·Filed 1992·Granted Dec 28, 1993·49 cites·14 claims
- 0769US5079184AMethod of manufacturing iii-iv group compound semiconductor deviceTOSHIBA KK·Filed 1990·Granted Jan 7, 1992·44 cites·24 claims
- 0858US5317167ASemiconductor light-emitting device with InGaAlpTOSHIBA KK·Filed 1993·Granted May 31, 1994·15 cites·15 claims
- 0942US5235194ASemiconductor light-emitting device with InGaAlPTOSHIBA KK·Filed 1992·Granted Aug 10, 1993·12 cites·22 claims
- 1038US2004227142A1Light-emitting semiconductor deviceTOSHIBA KK·Filed 2004·Application pending·0 cites
- 1133US2011312117A1Method for manufacturing semiconductor light emitting deviceSUZUKI AYA·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →