Inventor · disambiguated record
Yoshitugu Minamikawa
Also filed as: MINAMIKAWA YOSHITUGU
3 granted patents·40 citations·filing 1973–1981
71Inventor score
Files withMITSUBISHI GAS CHEMICAL CO3
Top patents by PatentIndex Score
3 records- 0176US4409197AProcess for producing sodium percarbonateMITSUBISHI GAS CHEMICAL CO·Filed 1981·Granted Oct 11, 1983·24 cites·4 claims
- 0271US3953482AProcess for producing quinonesMITSUBISHI GAS CHEMICAL CO·Filed 1973·Granted Apr 27, 1976·9 cites·13 claims
- 0346US4388287AProcess for producing sodium percarbonateMITSUBISHI GAS CHEMICAL CO·Filed 1981·Granted Jun 14, 1983·7 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Yoshitugu Minamikawa 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 →