Inventor · disambiguated record
Hisashi Seki
Also filed as: SEKI HISASHI
8 granted patents·141 citations·filing 1995–2000
88Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES8
Top patents by PatentIndex Score
8 records- 0165US5665986ACompound semiconductor light emitting device and method of preparing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Sep 9, 1997·32 cites·20 claims
- 0264US5843590AEpitaxial wafer and method of preparing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Dec 1, 1998·32 cites·2 claims
- 0359US5970314AProcess for vapor phase epitaxy of compound semiconductorSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Oct 19, 1999·23 cites·6 claims
- 0453US5864573AEpitaxial wafer and compound semiconductor light emitting device, and method of fabricating the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Jan 26, 1999·18 cites·20 claims
- 0551US6387722B1Methods for preparing an epitaxial wafer having a gallium nitride epitaxial layer deposited on a semiconductor substrateSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted May 14, 2002·3 cites·11 claims
- 0649US6270587B1Epitaxial wafer having a gallium nitride epitaxial layer deposited on semiconductor substrate and method for preparing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Aug 7, 2001·12 cites·11 claims
- 0744US6031252AEpitaxial wafer and method of preparing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Feb 29, 2000·11 cites·20 claims
- 0844US5756374ACompound semiconductor light emitting device and method of preparing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted May 26, 1998·10 cites·9 claims
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