Inventor · disambiguated record
Fumio Ohtsuka
Also filed as: OHTSUKA FUMIO
3 granted patents·10 citations·filing 1979–1989
63Inventor score
Technology areasG01N
Top patents by PatentIndex Score
3 records- 0143USD314210SPrinting head for a printer of a computerSEIKOSHA KK·Filed 1989·Granted Jan 29, 1991·4 cites·1 claims
- 0243USD314007SPrinting head for a printer of a computerSEIKOSHA KK·Filed 1989·Granted Jan 22, 1991·4 cites·1 claims
- 0327US4312733AUnit for measuring alkali metal vapor concentrationTOKYO SHIBAURA ELECTRIC CO·Filed 1979·Granted Jan 26, 1982·2 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Fumio Ohtsuka 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 →