Inventor record

HIRAI KEIJI

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.

• 88Keiji Hirai9 patent records·174 citations·A61P C07C Y02P9 on this record
• 81Keiji Hirai8 patent records·135 citations·G11B E04C B21H8 on this record

Inventor identities via PatentsView disambiguation — see methodology.