Inventor · disambiguated record
Yoshinao Otsuka
Also filed as: OTSUKA YOSHINAO
1 granted patent·4 citations·filing 1976–1976
24Inventor score
Technology areasB22D
Files withPACIFIC METALS CO LTD1
Top patents by PatentIndex Score
1 recordJoin the waitlist — get patent alerts
Get an alert when Yoshinao Otsuka 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 →