Inventor · disambiguated record
Hisaya Okumura
Also filed as: OKUMURA HISAYA
3 granted patents·67 citations·filing 1994–1997
73Inventor score
Files withTOSHIBA KK3
Top patents by PatentIndex Score
3 records- 0171US5559466ASemiconductor relay for transmitting high frequency signalsTOSHIBA KK·Filed 1994·Granted Sep 24, 1996·26 cites·7 claims
- 0259US5408102APhoto-coupler apparatus having adequate protection against excessive current and heat runawayTOSHIBA KK·Filed 1994·Granted Apr 18, 1995·17 cites·9 claims
- 0354US5963785ADielectrically-isolated integrated circuitTOSHIBA KK·Filed 1997·Granted Oct 5, 1999·24 cites·23 claims
Join the waitlist — get patent alerts
Get an alert when Hisaya Okumura 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 →