Inventor · disambiguated record
Isamu Sanpei
Also filed as: SANPEI ISAMU
3 granted patents·34 citations·filing 1981–1991
69Inventor score
Technology areasH10D
Files withHITACHI LTD3
Top patents by PatentIndex Score
3 records- 0164US4450467AGate turn-off thyristor with selective anode penetrating shortsHITACHI LTD·Filed 1981·Granted May 22, 1984·19 cites·12 claims
- 0243US5324967ATurn off type semiconductor device, method of producing the same and the power conversion apparatus employing the sameHITACHI LTD·Filed 1991·Granted Jun 28, 1994·11 cites·21 claims
- 0332US4825270AGate turn-off thyristorHITACHI LTD·Filed 1987·Granted Apr 25, 1989·4 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →