Inventor record

KOYAMA YOSHIO

This page previously combined 2different people who filed under the same name. Pick the inventor you're looking for — each profile now covers one disambiguated person.

• 90Yoshio Koyama10 patent records·152 citations·F01L A62C B01J10 on this record
• 76Yoshio Koyama4 patent records·46 citations·G04C4 on this record

Inventor identities via PatentsView disambiguation — see methodology.