Inventor · disambiguated record
Yasutoyo Kotani
Also filed as: KOTANI YASUTOYO
3 granted patents·33 citations·filing 1978–1991
70Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES3
Top patents by PatentIndex Score
3 records- 0166US4220508AProcess for electrolytic etchingSUMITOMO ELECTRIC INDUSTRIES·Filed 1978·Granted Sep 2, 1980·12 cites·10 claims
- 0258US4272351AApparatus for electrolytic etchingSUMITOMO ELECTRIC INDUSTRIES·Filed 1980·Granted Jun 9, 1981·10 cites·3 claims
- 0356US5274425AToner sealing materialSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Dec 28, 1993·11 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Yasutoyo Kotani files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →