TO

Toyohisa Oya

Fujitsu Limited: 20 patents #1,402 of 24,456Top 6%
FU Fujifilm: 16 patents #543 of 4,519Top 15%
Overall (All Time): #94,498 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
6329134 Heat-developable photosensitive material Katsuyuki Watanabe, Minoru Sakai 2001-12-11
6017690 Silver halide photographic material and method of forming images using the same Shinichi Nakahira 2000-01-25
5965335 Silver halide photographic material and method of forming images in said material 1999-10-12
5948608 Photothermographic material Yoshio Inagaki, Katsumi Kobayashi, Hirohiko Tsuzuki 1999-09-07
5695909 Silver halide photographic material Kazuki Yamazaki, Harumi Watanabe 1997-12-09
5691271 Indolylazaphthalides and recording materials containing the same Naoto Yanagihara, Kiyoshi Takeuchi, Naoki Asanuma, Masanobu Takashima, Syunsaku Higashi 1997-11-25
5665887 Methine compound 1997-09-09
5616456 Silver halide photographic material Takahiro Goto 1997-04-01
5607829 Silver halide photographic material Yoshio Inagaki, Takahiro Goto 1997-03-04
5565307 Silver halide photographic material, method for exposing the same, and method for processing the same Takanori Hioki, Seiichi Yamamoto 1996-10-15
5547828 Direct positive type silver halide photographic material comprising a mixture of dyes Takanori Hioki, Shingo Nishiyama 1996-08-20