Inventor · disambiguated record
Shikayuki Ochi
Also filed as: KATSUEDA MINEO · OCHI SHIKAYUKI · YOSHIDA ISAO
6 granted patents·295 citations·filing 1977–1981
86Inventor score
Files withHITACHI LTD6
Top patents by PatentIndex Score
6 records- 0198US4317055AHigh-voltage circuit for insulated gate field-effect transistorHITACHI LTD·Filed 1979·Granted Feb 23, 1982·137 cites·12 claims
- 0294US4172260AInsulated gate field effect transistor with source field shield extending over multiple region channelHITACHI LTD·Filed 1977·Granted Oct 23, 1979·79 cites·11 claims
- 0380US4599576AInsulated gate type field effect semiconductor device and a circuit employing the deviceHITACHI LTD·Filed 1978·Granted Jul 8, 1986·42 cites·8 claims
- 0475US4213140AInsulated-gate semiconductor deviceHITACHI LTD·Filed 1978·Granted Jul 15, 1980·20 cites·16 claims
- 0558US4423433AHigh-breakdown-voltage resistance element for integrated circuit with a plurality of multilayer, overlapping electrodesHITACHI LTD·Filed 1980·Granted Dec 27, 1983·15 cites·11 claims
- 0631US4443812AHigh-breakdown-voltage semiconductor deviceHITACHI LTD·Filed 1981·Granted Apr 17, 1984·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →