Inventor · disambiguated record
Kiyoshi Tsukuda
Also filed as: TSUKUDA KIYOSHI
7 granted patents·94 citations·filing 1978–1995
86Inventor score
Technology areasH10D
Files withHITACHI LTD7
Top patents by PatentIndex Score
7 records- 0185US4921811ASemiconductor integrated circuit device and a method for manufacturing the sameHITACHI LTD·Filed 1988·Granted May 1, 1990·33 cites·42 claims
- 0273US4980744ASemiconductor integrated circuit device and a method for manufacturing the sameHITACHI LTD·Filed 1988·Granted Dec 25, 1990·20 cites·36 claims
- 0366US5508549ASemiconductor integrated circuit device and a method for manufacturing the sameHITACHI LTD·Filed 1991·Granted Apr 16, 1996·18 cites·22 claims
- 0447US5672897ABimos semiconductor integrated circuit device including high speed vertical bipolar transistorsHITACHI LTD·Filed 1995·Granted Sep 30, 1997·7 cites·11 claims
- 0545US5049967ASemiconductor integrated circuit device and a method for manufacturing the sameHITACHI LTD·Filed 1990·Granted Sep 17, 1991·7 cites·52 claims
- 0638US4361846ALateral type semiconductor devices with enlarged, large radii collector contact regions for high reverse voltageHITACHI LTD·Filed 1980·Granted Nov 30, 1982·6 cites·12 claims
- 0736US4257060ASemiconductor switchHITACHI LTD·Filed 1978·Granted Mar 17, 1981·3 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →