AO

Akio Okumura

Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
SI Sumitomo Rubber Industries: 1 patents #1,096 of 1,637Top 70%
📍 Minokamo, JP: #8 of 30 inventorsTop 30%
Overall (All Time): #1,062,495 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4967729 Solar-system house 1990-11-06
4537936 Diene rubber composition, method of preparing the same and tire employing said composition Hiroyoshi Takao, Keisaku Yamamoto, Akio Imai, Nobuyuki Yoshida, Hiroshi Furukawa +1 more 1985-08-27
4404274 Photographic light sensitive element containing yellow color coupler and method for forming yellow photographic images Atsuaki Arai, Yasushi Oishi, Kiyoshi Nakazyo 1983-09-13
4269936 Process of forming yellow photographic images Atsuaki Arai, Yasushi Oishi, Kiyoshi Nakazyo, Atsushi Sugizaki 1981-05-26
4207676 Can opener 1980-06-17