Inventor · disambiguated record
Koichiro Okumura
Also filed as: OKUMURA KOICHIRO
14 granted patents·1 pending application·415 citations·filing 1979–2014
94Inventor score
Top patents by PatentIndex Score
15 records- 0193US5892260ASOI-type semiconductor device with variable threshold voltagesNEC CORP·Filed 1996·Granted Apr 6, 1999·116 cites·18 claims
- 0288US5814899ASOI-type semiconductor device with variable threshold voltagesNEC CORP·Filed 1997·Granted Sep 29, 1998·69 cites·14 claims
- 0384US5631478ASemiconductor integrated circuits with specific pitch multilevel interconnectionsNEC CORP·Filed 1994·Granted May 20, 1997·80 cites·8 claims
- 0482US4680488AMOSFET-type driving circuit with capacitive bootstrapping for driving a large capacitive load at high speedNEC CORP·Filed 1984·Granted Jul 14, 1987·26 cites·10 claims
- 0578US4481521AInsulated gate field effect transistor provided with a protective device for a gate insulating filmNIPPON ELECTRIC CO·Filed 1981·Granted Nov 6, 1984·30 cites·10 claims
- 0666US5543744ADriver/receiver circuit for reducing transmission delayNEC CORP·Filed 1994·Granted Aug 6, 1996·17 cites·3 claims
- 0762US4635229ASemiconductor memory device including non-volatile transistor for storing data in a bistable circuitNEC CORP·Filed 1985·Granted Jan 6, 1987·19 cites·10 claims
- 0860US4587446AField effect transistor output circuit operable by a reduced amount of currentNEC CORP·Filed 1983·Granted May 6, 1986·11 cites·13 claims
- 0959US5593923AMethod of fabricating semiconductor device having refractory metal silicide layer on impurity region using damage implant and single step annealNEC CORP·Filed 1995·Granted Jan 14, 1997·20 cites·20 claims
- 1052US2016348049A1Cell culture vesselDAINIPPON PRINTING CO LTD·Filed 2014·Application pending·0 cites
- 1147US5760444ASilicon on insulator type semiconductor deviceNEC CORP·Filed 1996·Granted Jun 2, 1998·11 cites·19 claims
- 1245US5159214ABicmos logic circuitNEC CORP·Filed 1991·Granted Oct 27, 1992·8 cites·4 claims
- 1337US5680069ADriver/receiver circuit including receiver circuit with p-channel MOSFET and N-channel MOSFETNEC CORP·Filed 1996·Granted Oct 21, 1997·4 cites·13 claims
- 1432US5247214ABi-cmos out buffer circuit for cmos logicNEC CORP·Filed 1991·Granted Sep 21, 1993·2 cites·7 claims
- 1531US4295061ALatch circuitNIPPON ELECTRIC CO·Filed 1979·Granted Oct 13, 1981·2 cites·6 claims
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