Inventor record

YAMADA SUMIO

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.

• 96Sumio Yamada35 patent records·363 citations·H03H C21C G01C34 on this record
• 98Masaaki Ono56 patent records·596 citations·H03H G11B C08J1 on this record

Inventor identities via PatentsView disambiguation — see methodology.