Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6277554 | Thermographic recording element | Kohzaburoh Yamada, Hiroyuki Suzuki | 2001-08-21 |
| 6232059 | Thermographic recording elements | Kohzaburoh Yamada, Hiroyuki Suzuki, Takashi Hoshimiya, Hirotomo Sasaki, Kohji Kawato | 2001-05-15 |
| 6177240 | Thermographic recording elements | Kohzaburoh Yamada, Hiroyuki Suzuki | 2001-01-23 |
| 6087086 | Thermographic recording element | Hiroyuki Suzuki, Kohzaburoh Yamada | 2000-07-11 |
| 6074799 | Silver halide photographic material and processing process thereof | Kohzaburoh Yamada | 2000-06-13 |
| 6017674 | Silver halide photographic material and processing process thereof | Kohzaburoh Yamada | 2000-01-25 |
| 5981138 | Hydrazine compound and silver halide photographic light-sensitive material using the same | Hiroyuki Suzuki, Kohzaburoh Yamada, Hiroshi Takeuchi, Takashi Hoshimiya | 1999-11-09 |
| 5882841 | Silver halide photographic light-sensitive material and method for processing thereof | Kouta Fukui, Kohzaburoh Yamada | 1999-03-16 |
| 5858610 | Method of developing a hydrazine-containing light-sensitive material to form an image | Kohzaburoh Yamada | 1999-01-12 |
| 5789139 | Hydrazide compound and silver halide photographic photosensitive material comprising the same | Kohzaburoh Yamada, Hiroyuki Suzuki, Koji Kawato | 1998-08-04 |
| 5770344 | Silver halide photographic light-sensitive material | Kohzaburoh Yamada, Hiroyuki Suzuki | 1998-06-23 |
| 5766822 | Silver halide photographic material | Nobuaki Inoue, Takashi Hoshimiya, Kazumi Nii, Kazunobu Katoh, Tetsuo Yamaguchi +1 more | 1998-06-16 |
| 5744279 | Silver halide photographic material | Toshiaki Kubo, Hiroshi Takeuchi, Kazunobu Katoh, Shigeo Hirano, Kazuki Yamazaki +3 more | 1998-04-28 |
| 5688630 | Silver halide photographic material | Kohzaburoh Yamada, Hiroshi Takeuchi, Takashi Hoshimiya, Shigeo Hirano, Minoru Sakai | 1997-11-18 |
| 5496681 | Silver halide photographic material and photographic image formation method using the same | Tomokazu Yasuda | 1996-03-05 |
| 5480886 | Silver halide photographic material | Kazuki Yamazaki, Nobuaki Inoue, Seiichi Yamamoto, Minoru Sakai, Tadashi Ikeda +2 more | 1996-01-02 |
| 5468592 | Silver halide photographic material | Kazumi Nii, Takashi Hoshimiya, Kazunobu Katoh | 1995-11-21 |
| 5447820 | Silver halide photographic light-sensitive material | Hiroshi Hayakawa, Toshiaki Kubo | 1995-09-05 |
| 5424169 | Silver halide photographic light-sensitive material | Kazunobu Katoh, Kazumi Nii, Takashi Hoshimiya, Hisashi Okamura | 1995-06-13 |
| 5378578 | Silver halide photographic photosensitive materials | Takashi Hoshimiya, Kazunobu Katoh | 1995-01-03 |
| 5340704 | Method for processing a silver halide photographic material | Kazumi Nii, Hisashi Okamura | 1994-08-23 |
| 5284732 | Silver halide photographic material | Kazumi Nii | 1994-02-08 |