Inventor · disambiguated record

Toshihiko Kohisa

Also filed as: KOHISA TOSHIHIKO

2 granted patents·81 citations·filing 1968–1973

67Inventor score

Technology areasH10W

Files withHITACHI LTD2

Top patents by PatentIndex Score

2 records

0190US4044373AIGFET with gate protection diode and antiparasitic isolation meansHITACHI LTD·Filed 1973·Granted Aug 23, 1977·51 cites·7 claims
0284US3934159ASemiconductor circuit devices using insulated gate-type field effect elements having protective diodesHITACHI LTD·Filed 1968·Granted Jan 20, 1976·30 cites·20 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →