OS

Osamu Sugai

TC Totoku Electric Co.: 1 patents #1 of 6Top 20%
📍 Izumi, JP: #9 of 21 inventorsTop 45%
Overall (1989): #33,702 of 140,708Top 25%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4830747 Filter apparatus for removing plankton Misao Kubota, Tetsuo Goto, Kenji Shimada, Toshiaki Yamaguchi, Kikuo Koizumi 1989-05-16