OS

Osamu Sugai

TC Totoku Electric Co.: 1 patents #29 of 92Top 35%
📍 Izumi, JP: #140 of 245 inventorsTop 60%
Overall (All Time): #3,927,931 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

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