Inventor · disambiguated record
Ichiro Ohhinata
Also filed as: OHHINATA ICHIRO
24 granted patents·325 citations·filing 1974–1980
96Inventor score
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
- 0672US4066915AMemory circuitHITACHI LTD·Filed 1976·Granted Jan 3, 1978·13 cites·9 claims
- 0772US3990102ASemiconductor integrated circuits and method of manufacturing the sameHITACHI LTD·Filed 1975·Granted Nov 2, 1976·28 cites·6 claims
- 0869US4112315ASemiconductor switch circuitHITACHI LTD·Filed 1976·Granted Sep 5, 1978·12 cites·8 claims
- 0967US4031413AMemory circuitHITACHI LTD·Filed 1976·Granted Jun 21, 1977·12 cites·6 claims
- 1066US4058741ASemiconductor switch circuitHITACHI LTD·Filed 1976·Granted Nov 15, 1977·9 cites·7 claims
- 1164US4039865ASemiconductor switchHITACHI LTD·Filed 1975·Granted Aug 2, 1977·10 cites·15 claims
- 1263US4084110ASemiconductor switchHITACHI LTD·Filed 1976·Granted Apr 11, 1978·9 cites·11 claims
- 1361US3959668ASemiconductor bidirectional switch circuitHITACHI LTD·Filed 1974·Granted May 25, 1976·11 cites·10 claims
- 1460US4288862AMemory circuitNIPPON TELEGRAPH & TELEPHONE·Filed 1978·Granted Sep 8, 1981·9 cites·11 claims
- 1559US4041332ASemiconductor switch deviceHITACHI LTD·Filed 1975·Granted Aug 9, 1977·8 cites·11 claims
- 1658US4380021ASemiconductor integrated circuitHITACHI LTD·Filed 1980·Granted Apr 12, 1983·16 cites·3 claims
- 1758US4039864ASemiconductor bidirectional switch circuitHITACHI LTD·Filed 1976·Granted Aug 2, 1977·8 cites·15 claims
- 1857US4071779ASemiconductor switchHITACHI LTD·Filed 1976·Granted Jan 31, 1978·8 cites·21 claims
- 1956US4130767ASemiconductor switchHITACHI LTD·Filed 1976·Granted Dec 19, 1978·7 cites·13 claims
- 2051US4112346AConstant current circuitHITACHI LTD·Filed 1977·Granted Sep 5, 1978·8 cites·7 claims
- 2146US4239985ATrigger circuit for a thyristorHITACHI LTD·Filed 1978·Granted Dec 16, 1980·4 cites·9 claims
- 2242US4315168ASemiconductor switchHITACHI LTD·Filed 1979·Granted Feb 9, 1982·3 cites·7 claims
- 2340US4232234ASemiconductor switch circuitHITACHI LTD·Filed 1977·Granted Nov 4, 1980·3 cites·4 claims
- 2437US3961357ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1974·Granted Jun 1, 1976·3 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →