YU

Yasushi Usagawa

KO Konica: 6 patents #4 of 395Top 2%
Overall (1994): #1,426 of 165,921Top 1%
6
Patents 1994

Issued Patents 1994

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5370980 Silver halide photographic light-sensitive material Taketoshi Yamada, Akira Onishi, Yoshiko Ogawa, Shigeto Hirabayashi 1994-12-06
5340707 Silver halide photographic light-sensitive material Akira Ohnishi, Taketoshi Yamada 1994-08-23
5324625 Silver halide color photographic light-sensitive material Shigeto Hirabayashi, Yasuhiko Kawashima, Nobuaki Kagawa 1994-06-28
5290669 Silver halide color photographic light-sensitive material Shigeto Hirabayashi, Nobuaki Kagawa, Yasuhiko Kawashima 1994-03-01
5283158 Silver halide photographic light-sensitive material Akira Onodera 1994-02-01
5279920 Silver halide photographic light sensitive material Akira Onodera 1994-01-18