Inventor · disambiguated record
Katsuro Sugawara
Also filed as: ITOH KATSUHIKO · SUGAWARA KATSURO
3 granted patents·80 citations·filing 1975–1978
72Inventor score
Files withHITACHI LTD3
Top patents by PatentIndex Score
3 records- 0185US4203799AMethod for monitoring thickness of epitaxial growth layer on substrateHITACHI LTD·Filed 1978·Granted May 20, 1980·58 cites·10 claims
- 0257US4067099AMethod of forming passivation filmHITACHI LTD·Filed 1976·Granted Jan 10, 1978·17 cites·9 claims
- 0334US4000507ASemiconductor device having two annular electrodesHITACHI LTD·Filed 1975·Granted Dec 28, 1976·5 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →