Inventor · disambiguated record
Fumihiro Tokunaga
Also filed as: TOKUNAGA FUMIHIRO
5 granted patents·31 citations·filing 1983–1989
78Inventor score
Files withFUJI PHOTO FILM CO LTD5
Top patents by PatentIndex Score
5 records- 0144US4678706AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1985·Granted Jul 7, 1987·6 cites·17 claims
- 0243US4970121AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1988·Granted Nov 13, 1990·8 cites·9 claims
- 0340US4542085ANegative working diazo light-sensitive composition with oxonol dye and lithographic printing plate using the sameFUJI PHOTO FILM CO LTD·Filed 1983·Granted Sep 17, 1985·6 cites·18 claims
- 0438US5057373AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1989·Granted Oct 15, 1991·6 cites·10 claims
- 0535US4656088AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1985·Granted Apr 7, 1987·5 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Fumihiro Tokunaga 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 →