Inventor · disambiguated record
Shinzi Okuhara
Also filed as: OKUHARA SHINZI
24 granted patents·296 citations·filing 1974–1977
96Inventor score
Files withHITACHI LTD24
Top patents by PatentIndex Score
24 records- 0188US4074299ALight-emitting diode element and deviceHITACHI LTD·Filed 1975·Granted Feb 14, 1978·61 cites·8 claims
- 0288US4031412AMemory circuitHITACHI LTD·Filed 1975·Granted Jun 21, 1977·26 cites·10 claims
- 0383US4015143ASemiconductor switchHITACHI LTD·Filed 1975·Granted Mar 29, 1977·20 cites·9 claims
- 0481US4125787ASemiconductor switch circuitHITACHI LTD·Filed 1977·Granted Nov 14, 1978·20 cites·8 claims
- 0579US4039863ALight activated semiconductor switch deviceHITACHI LTD·Filed 1975·Granted Aug 2, 1977·17 cites·22 claims
- 0672US3990102ASemiconductor integrated circuits and method of manufacturing the sameHITACHI LTD·Filed 1975·Granted Nov 2, 1976·28 cites·6 claims
- 0767US4063115ASemiconductor switchHITACHI LTD·Filed 1976·Granted Dec 13, 1977·11 cites·7 claims
- 0867US4031413AMemory circuitHITACHI LTD·Filed 1976·Granted Jun 21, 1977·12 cites·6 claims
- 0966US4058741ASemiconductor switch circuitHITACHI LTD·Filed 1976·Granted Nov 15, 1977·9 cites·7 claims
- 1064US4039865ASemiconductor switchHITACHI LTD·Filed 1975·Granted Aug 2, 1977·10 cites·15 claims
- 1163US4084110ASemiconductor switchHITACHI LTD·Filed 1976·Granted Apr 11, 1978·9 cites·11 claims
- 1261US3959668ASemiconductor bidirectional switch circuitHITACHI LTD·Filed 1974·Granted May 25, 1976·11 cites·10 claims
- 1359US4041332ASemiconductor switch deviceHITACHI LTD·Filed 1975·Granted Aug 9, 1977·8 cites·11 claims
- 1458US4039864ASemiconductor bidirectional switch circuitHITACHI LTD·Filed 1976·Granted Aug 2, 1977·8 cites·15 claims
- 1557US4071779ASemiconductor switchHITACHI LTD·Filed 1976·Granted Jan 31, 1978·8 cites·21 claims
- 1656US4130767ASemiconductor switchHITACHI LTD·Filed 1976·Granted Dec 19, 1978·7 cites·13 claims
- 1752US4107472ASemiconductor channel switchHITACHI LTD·Filed 1976·Granted Aug 15, 1978·6 cites·10 claims
- 1851US4112346AConstant current circuitHITACHI LTD·Filed 1977·Granted Sep 5, 1978·8 cites·7 claims
- 1945US4082923ASemiconductor speech path switchHITACHI LTD·Filed 1974·Granted Apr 4, 1978·5 cites·17 claims
- 2043US4025726ACathode gate triggering method and system for speech path switchesHITACHI LTD·Filed 1975·Granted May 24, 1977·3 cites·13 claims
- 2140US4232234ASemiconductor switch circuitHITACHI LTD·Filed 1977·Granted Nov 4, 1980·3 cites·4 claims
- 2237US3961357ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1974·Granted Jun 1, 1976·3 cites·13 claims
- 2334US3942040ASemiconductor speech path switch circuitryHITACHI LTD·Filed 1974·Granted Mar 2, 1976·2 cites·14 claims
- 2429US4032892ASemiconductor speech channel switchHITACHI LTD·Filed 1975·Granted Jun 28, 1977·1 cites·10 claims
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