Inventor · disambiguated record

Toshio Tanaka

Also filed as: NAKAGAWA SUMIO · TANAKA TOSHIO

173 granted patents·62 pending applications·2,443 citations·filing 19742024

99Inventor score
Technology areasG06FG09BG09GB41JB03C
Files withSEIKO EPSON CORP33HITACHI LTD26DAIKIN IND LTD23CANON KK20FUJITSU LTD20

Top patents by PatentIndex Score

235 records

Showing the top 50 of 235 patent records by PatentIndex Score.

Join the waitlist — get patent alerts

Get an alert when Toshio 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 →