Inventor · disambiguated record

Tsutomu Shigenaka

Also filed as: SHIGENAKA TSUTOMU

1 granted patent·80 citations·filing 1985–1985

52Inventor score
Technology areasB01D
Files withTOKYO METROPOL ENVIRON SERV1

Top patents by PatentIndex Score

1 record

Join the waitlist — get patent alerts

Get an alert when Tsutomu Shigenaka 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 →