Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7859562 | Visual aid display apparatus | Takashi Igarashi, Tomoaki Tamura, Hideaki Haraga, Haruhiko Yoshimeki | 2010-12-28 |
| 6444415 | Silver halide light-sensitive material containing a specific dye | Dai Ikemizu | 2002-09-03 |
| 6342340 | Silver halide light-sensitive material containing a specific dye | Dai Ikemizu | 2002-01-29 |
| 6117627 | Silver halide light sensitive photographic material | Taketoshi Yamada | 2000-09-12 |
| 5998123 | Silver halide light-sensitive color photographic material | Michiko Nagato | 1999-12-07 |
| 5985528 | Resources recovery method in a silver salt photographic system | Tawara Komamura, Michiko Nagato, Hiroyuki Iizuka, Noritaka Nakayama, Naoshi Kunieda +1 more | 1999-11-16 |
| 5981157 | Silver halide light-sensitive color photographic material | Michiko Nagato | 1999-11-09 |
| 5763618 | Manufacturing method of sulfides | Ryuzou Watanabe, Katsuji Ota, Michiko Nagato, Tomio Horiuchi | 1998-06-09 |
| 5616454 | Silver halide color photographic light-sensitive material | Manabu Kaneko, Michiko Nagato | 1997-04-01 |
| 5608058 | Processing for purifying crown compounds | Yasuhiko Kawashima | 1997-03-04 |
| 5576166 | Silver halide light-sensitive color photographic | Shuichi Sugita, Takatugu Suzuki, Manabu Kaneko | 1996-11-19 |
| 5332657 | Silver halide color photographic light-sensitive material offering excellent color reproduction | Yasushi Irie, Hiroshi Shimazaki | 1994-07-26 |
| 5314796 | Silver halide color photographic light sensitive material | Kazuhiro Murai, Makoto Kajiwara, Hirokazu Sato, Mitsuhiro Okumura | 1994-05-24 |
| 5302506 | Silver halide photographic materials | Nobuaki Kagawa | 1994-04-12 |
| 5166046 | Spectrally sensitized silver halide photographic material | Hiroshi Okusa, Nobuaki Kagawa | 1992-11-24 |
| 4960686 | Silver halide photographic light-sensitive material containing oxonol dye | Yasuhiko Kawashima, Tamotsu Kojima, Nobuaki Kagawa | 1990-10-02 |