Inventor · disambiguated record
Yoshio Nakagawa
Also filed as: NAKAGAWA YOSHIO
3 granted patents·4 citations·filing 1986–1988
56Inventor score
Top patents by PatentIndex Score
3 records- 0138US4816459ATetrazolyl-substituted pyrido[1,2-a]pyrimidines and use as SRS-A antagonistsTOKYO TANABE CO·Filed 1986·Granted Mar 28, 1989·3 cites·32 claims
- 0230US4798832APyrido[1,2-a]pyrimidine compounds, corresponding intermediates and use as SRS-A antagonistsTOKYO TANABE CO·Filed 1987·Granted Jan 17, 1989·1 cites·45 claims
- 0322US4914163AProcess for preparing heterocyclic copolymersTONEN SEKIYUKAGAKU KK·Filed 1988·Granted Apr 3, 1990·0 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Yoshio Nakagawa 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 →