Inventor · disambiguated record

Yoichi Hirai

Also filed as: HIRAI YOICHI

20 granted patents·542 citations·filing 19821999

96Inventor score
Technology areasB60JB29CA61LB01JC07C
Files withTOKAI KOGYO CO LTD15HITACHI LTD2TOHKAI KOGYO CO LTD2TOYOTA MOTOR CO LTD1

Top patents by PatentIndex Score

20 records

Join the waitlist — get patent alerts

Get an alert when Yoichi Hirai 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 →