Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879204 | Silver halide photographic element containing anhydazine compound and specific dyes | Kunio Ishigaki, Toshiro Takahashi, Yuji Mihara, Keiichi Adachi, Shigeru Ohno +1 more | 1989-11-07 |
| 4830950 | Silver halide photographic material | Kenichi Kuwabara, Toshiro Takahashi, Keiichi Adachi | 1989-05-16 |
| 4818659 | Silver halide photographic materials for photochemical process which can be used in a bright room | Toshiro Takahashi, Ken-ichi Kuwabara, Kimitaka Kameoka | 1989-04-04 |
| 4809529 | Flaring apparatus for flaring a rim element | Yusaku Shinozawa, Atuyoshi Komatu, Hiroshi Yamada, Masatoshi Fujita | 1989-03-07 |
| 4810780 | Protein having phospholipase A2 inhibitory activity | Atsushi Imaizumi, Takashi Kamimura, Yorimasa Suwa | 1989-03-07 |
| 4803149 | Silver halide photographic materials | Toshiro Takahashi, Ken-ichi Kuwabara | 1989-02-07 |