Inventor · disambiguated record

Hisao Doyama

Also filed as: DOYAMA HISAO

1 granted patent·0 citations·filing 1988–1988

9Inventor score
Technology areasC22C
Files withNIPPON KOKAN KK1

Top patents by PatentIndex Score

1 record

Join the waitlist — get patent alerts

Get an alert when Hisao Doyama 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 →