KS

Keisuke Shiba

Fujitsu Limited: 50 patents #268 of 24,456Top 2%
ND National Patent Development: 1 patents #10 of 36Top 30%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #50,537 of 4,157,543Top 2%
52
Patents All Time

Issued Patents All Time

Showing 51–52 of 52 patents

Patent #TitleCo-InventorsDate
4220470 Silver halide material containing photographic magenta coupler Nobuo Furutachi, Kotaro Nakamura, Atsuaki Arai, Minoru Yamada 1980-09-02
4201589 Silver halide photo-sensitive material prepared with solvent and solvent soluble polymer Shinji Sakaguchi, Seiiti Kubodera, Jun Arakawa, Nobuo Tsuji 1980-05-06