Inventor · disambiguated record
Toshikatsu Shirasawa
Also filed as: SHIRASAWA TOSHIKATSU
4 granted patents·44 citations·filing 1977–1989
76Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0154US4210464AMethod of simultaneously controlling the lifetimes and leakage currents in semiconductor devices by hot electron irradiation through passivating glass layersHITACHI LTD·Filed 1978·Granted Jul 1, 1980·14 cites·7 claims
- 0251US4201598AElectron irradiation process of glass passivated semiconductor devices for improved reverse characteristicsHITACHI LTD·Filed 1977·Granted May 6, 1980·14 cites·9 claims
- 0336US4949137ASemiconductor deviceHITACHI LTD·Filed 1989·Granted Aug 14, 1990·10 cites·7 claims
- 0434US4654691ASemiconductor device with field plateHITACHI LTD·Filed 1986·Granted Mar 31, 1987·6 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →