Inventor · disambiguated record
Toshiko Koizumi
Also filed as: KOIZUMI TOSHIKO
2 granted patents·102 citations·filing 1988–1989
68Inventor score
Files withHITACHI LTD2
Top patents by PatentIndex Score
2 recordsJoin the waitlist — get patent alerts
Get an alert when Toshiko Koizumi 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 →