Inventor · disambiguated record
Sadahiko Nishikawa
Also filed as: NISHIKAWA SADAHIKO
2 granted patents·22 citations·filing 1999–1999
58Inventor score
Files withIPPOSHA OIL IND CO LTD2
Top patents by PatentIndex Score
2 recordsJoin the waitlist — get patent alerts
Get an alert when Sadahiko Nishikawa 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 →