KO

Katsumi Oka

JS Jsr: 1 patents #37 of 160Top 25%
📍 Yokkaichi, JP: #85 of 235 inventorsTop 40%
Overall (2003): #183,996 of 273,478Top 70%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6531546 Rubber composition Toshihiro Nishimura, Fumio Tsutsumi, Yutaka Abe 2003-03-11