Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8282721 | Coloring composition, thermal transfer recording ink sheet, thermal transfer recording method, color toner, inkjet ink, color filter, and arylidene-pyrazolone dye | Yoshihiko Fujie, Shinichi Ichikawa, Hisashi Mikoshiba, Naotsugu Muro | 2012-10-09 |
| 8052785 | Indaniline dye, thermal transfer recording ink sheet, thermal transfer recording method, color toner, inkjet ink, and color filter | Yoshihiko Fujie, Hisashi Mikoshiba, Naotsugu Muro | 2011-11-08 |
| 7838184 | Azo dye compound, coloring composition, ink sheet for thermal transfer recording, thermal transfer recording method, color toner, ink for inkjet, and color filter | Yoshihiko Fujie, Hisashi Mikoshiba, Naotsugu Muro | 2010-11-23 |
| 7384731 | Method for forming color image and silver halide color photosensitive material used for the same | Junichiro Hosokawa, Naoharu Kiyoto, Yoshio Ishii, Takanori Hioki, Katsumi Kobayashi | 2008-06-10 |
| 7244551 | Silver halide color photosensitive material | Junichiro Hosokawa, Naoharu Kiyoto, Ryoji Nishimura, Tadashi Inaba | 2007-07-17 |
| 6689554 | Silver handle emulsion and silver halide photographic lightsensitive material | Kohzaburoh Yamada, Masahiko Taniguchi, Naoki Asanuma, Hirokazu Kyota, Masafumi Mizuno | 2004-02-10 |
| 6521389 | Silver halide photographic light-sensitive material and processing method thereof | Kohzaburoh Yamada, Masahiko Taniguchi, Hirokazu Kyota, Toshihide Ezoe, Shoji Yasuda | 2003-02-18 |
| 6472132 | Silver halide photographic light-sensitive material and processing method thereof | Kohzaburoh Yamada, Hirokazu Kyota, Masahiko Taniguchi, Tetsuo Yamaguchi, Ken-ichi Kuwabara +1 more | 2002-10-29 |
| 6423486 | Thermographic recording elements | Kohzaburoh Yamada, Hiroyuki Suzuki, Hirotomo Sasaki, Kohji Kawato, Toshihide Ezoe | 2002-07-23 |
| 6232059 | Thermographic recording elements | Kohzaburoh Yamada, Hiroyuki Suzuki, Hirotomo Sasaki, Kohji Kawato, Toshihide Ezoe | 2001-05-15 |
| 5981138 | Hydrazine compound and silver halide photographic light-sensitive material using the same | Hiroyuki Suzuki, Kohzaburoh Yamada, Hiroshi Takeuchi, Toshihide Ezoe | 1999-11-09 |
| 5932409 | Silver halide photographic material | Masato Taniguchi, Sinichi Ichikawa, Mamoru Sakurazawa, Junichiro Hosokawa | 1999-08-03 |
| 5766822 | Silver halide photographic material | Nobuaki Inoue, Toshihide Ezoe, Kazumi Nii, Kazunobu Katoh, Tetsuo Yamaguchi +1 more | 1998-06-16 |
| 5744279 | Silver halide photographic material | Toshihide Ezoe, Toshiaki Kubo, Hiroshi Takeuchi, Kazunobu Katoh, Shigeo Hirano +3 more | 1998-04-28 |
| 5688630 | Silver halide photographic material | Kohzaburoh Yamada, Hiroshi Takeuchi, Toshihide Ezoe, Shigeo Hirano, Minoru Sakai | 1997-11-18 |
| 5667936 | Silver halide photographic material | Kohzaburoh Yamada, Hiroshi Takeuchi, Toshiaki Kubo, Shigeo Hirano | 1997-09-16 |
| 5468592 | Silver halide photographic material | Kazumi Nii, Kazunobu Katoh, Toshihide Ezoe | 1995-11-21 |
| 5424169 | Silver halide photographic light-sensitive material | Toshihide Ezoe, Kazunobu Katoh, Kazumi Nii, Hisashi Okamura | 1995-06-13 |
| 5378578 | Silver halide photographic photosensitive materials | Toshihide Ezoe, Kazunobu Katoh | 1995-01-03 |
| 5288590 | High-contrast silver halide photographic material and method for forming an image with the same | Ken-ichi Kuwabara | 1994-02-22 |
| 5196293 | Silver halide photographic material | Hisashi Okamura, Kazunobu Katoh, Shoji Yasuda | 1993-03-23 |