Inventor · disambiguated record
Masatomo Furumi
Also filed as: FURUMI MASATOMO · OKABE TAKEAKI
3 granted patents·141 citations·filing 1977–1978
76Inventor score
Files withHITACHI LTD3
Top patents by PatentIndex Score
3 records- 0194US4172260AInsulated gate field effect transistor with source field shield extending over multiple region channelHITACHI LTD·Filed 1977·Granted Oct 23, 1979·79 cites·11 claims
- 0280US4599576AInsulated gate type field effect semiconductor device and a circuit employing the deviceHITACHI LTD·Filed 1978·Granted Jul 8, 1986·42 cites·8 claims
- 0375US4213140AInsulated-gate semiconductor deviceHITACHI LTD·Filed 1978·Granted Jul 15, 1980·20 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →