Inventor · disambiguated record

Keizo Tanaka

Also filed as: TANAKA KEIZO

15 granted patents·5 pending applications·123 citations·filing 19922020

90Inventor score
Technology areasC23CB23BH10PB01JB23C
Files withSUMITOMO ELECTRIC HARDMETAL CORP12TOSHIBA KK3TOYOTA MOTOR CO LTD2AMT LAB CO LTD1MITSUBISHI HEAVY IND LTD1

Top patents by PatentIndex Score

20 records

Join the waitlist — get patent alerts

Get an alert when Keizo Tanaka 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 →