Inventor · disambiguated record
Tetsuo Sadamasa
Also filed as: SADAMASA TETSUO
18 granted patents·677 citations·filing 1974–1993
96Inventor score
Top patents by PatentIndex Score
18 records- 0199US4445132ALED Module for a flat panel display unitTOKYO SHIBAURA ELECTRIC CO·Filed 1981·Granted Apr 24, 1984·267 cites·13 claims
- 0289US4322735ADisplay deviceTOKYO SHIBAURA ELECTRIC CO·Filed 1980·Granted Mar 30, 1982·69 cites·8 claims
- 0384US5432812ASemiconductor laser device with multi-directional reflector arranged thereinTOSHIBA KK·Filed 1993·Granted Jul 11, 1995·45 cites·16 claims
- 0476US5144381ASemiconductor light detector utilizing an avalanche effect and having an improved guard ring structureTOSHIBA KK·Filed 1990·Granted Sep 1, 1992·52 cites·11 claims
- 0576US4706101ALight emitting diode formed of a compound semiconductor materialTOSHIBA KK·Filed 1985·Granted Nov 10, 1987·36 cites·10 claims
- 0675US4145707ASemiconductor luminescent display apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1977·Granted Mar 20, 1979·21 cites·7 claims
- 0770US5001335ASemiconductor photodetector device and method of manufacturing the sameTOSHIBA KK·Filed 1989·Granted Mar 19, 1991·25 cites·10 claims
- 0869US4647927ADisplay deviceTOKYO SHIBAURA ELECTRIC CO·Filed 1985·Granted Mar 3, 1987·27 cites·5 claims
- 0968US4949144ASemiconductor photo-detector having a two-stepped impurity profileTOSHIBA KK·Filed 1988·Granted Aug 14, 1990·35 cites·5 claims
- 1066US5253262ASemiconductor laser device with multi-directional reflector arranged thereinTOSHIBA KK·Filed 1991·Granted Oct 12, 1993·20 cites·5 claims
- 1162US4228455AGallium phosphide semiconductor device having improved electrodesTOKYO SHIBAURA ELECTRIC CO·Filed 1978·Granted Oct 14, 1980·14 cites·10 claims
- 1258US4992386AMethod of manufacturing a semiconductor light detectorTOSHIBA KK·Filed 1989·Granted Feb 12, 1991·20 cites·27 claims
- 1354US4432131AMethod for manufacturing display deviceTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Feb 21, 1984·16 cites·18 claims
- 1442US3997907ALight emitting gallium phosphide deviceTOKYO SHIBAURA ELECTRIC CO·Filed 1975·Granted Dec 14, 1976·5 cites·9 claims
- 1541US3951699AMethod of manufacturing a gallium phosphide red-emitting deviceTOKYO SHIBAURA ELECTRIC CO·Filed 1974·Granted Apr 20, 1976·5 cites·4 claims
- 1637US4465543AApparatus and method for arranging semiconductor pelletsTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Aug 14, 1984·8 cites·17 claims
- 1736US5084410AMethod of manufacturing semiconductor devicesTOSHIBA KK·Filed 1988·Granted Jan 28, 1992·7 cites·3 claims
- 1833US4625223ADouble heterostructure light-emitting semiconductor deviceTOSHIBA KK·Filed 1985·Granted Nov 25, 1986·5 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →