Issued Patents All Time
Showing 1–25 of 118 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670112 | Silver halide color photographic light-sensitive material | Hiroo Takizawa, Yasuhiro Yoshioka | 2003-12-30 |
| 6495313 | Silver halide color photographic light-sensitive material | Yasuhiro Yoshioka, Shin Soejima, Osamu Takahashi, Naoki Saito, Hisashi Mikoshiba | 2002-12-17 |
| 6462199 | Silver halide color photographic light-sensitive material, phenidone compound for use therein, and method of producing the same | Hisashi Mikoshiba, Yasuhiro Yoshioka, Shin Soejima, Osamu Takahashi, Naoki Saito | 2002-10-08 |
| 6433223 | Silver halide photographic material and hydroxamic acid-based compounds used therefor | Hisashi Mikoshiba, Mamoru Sakurazawa | 2002-08-13 |
| 6258521 | Silver halide color photographic light-sensitive material, phenidone compound for use therein, and method of producing the same | Hisashi Mikoshiba, Yasuhiro Yoshioka, Shin Soejima, Osamu Takahashi, Naoki Saito | 2001-07-10 |
| 6220925 | Silver halide color photographic light-sensitive material | Naoki Saito, Hisashi Mikoshiba, Shin Soejima, Yasuhiro Yoshioka, Osamu Takahashi | 2001-04-24 |
| 6180818 | Silver halide photographic material and hydroxamic acid-base compound for use therein | Hisashi Mikoshiba, Hiroo Takizawa, Junichiro Hosokawa, Yoshio Ishii, Keiji Mihayashi +1 more | 2001-01-30 |
| 6132945 | Silver halide color photographic material | Naoki Saito, Yasuhiro Yoshioka, Shin Soejima, Osamu Takahashi, Hisashi Mikoshiba | 2000-10-17 |
| 6132946 | Silver halide color photographic light-sensitive material | Hiroo Takizawa, Yasuhiro Yoshioka | 2000-10-17 |
| 6114570 | Silver halide photographic material and hydroxamic acid-based compound for use therein | Hisashi Mikoshiba, Hiroo Takizawa, Junichiro Hosokawa, Yoshio Ishii, Keiji Mihayashi +1 more | 2000-09-05 |
| 6103460 | Silver halide color photographic light-sensitive material | Osamu Takahashi, Yasuhiro Yoshioka, Shin Soejima, Yasuhiro Shimada | 2000-08-15 |
| 6057090 | Silver halide photographic material and hydroxamic acid-based compound used therefor | Hisashi Mikoshiba, Mamoru Sakurazawa | 2000-05-02 |
| 6030755 | Image forming method | Kazuhiko Matsumoto | 2000-02-29 |
| 5851754 | Silver halide photographic material and hydroxamic acid-base compound for use therein | Hisashi Mikoshiba, Hiroo Takizawa, Junichiro Hosokawa, Yoshio Ishii, Keiji Mihayashi +1 more | 1998-12-22 |
| 5840886 | Silver halide photographic material and hydroxamic acid based compound used therefore | Hisashi Mikoshiba, Hiroo Takizawa, Junichiro Hosokawa, Yoshio Ishii, Keiji Mihayashi | 1998-11-24 |
| 5728514 | Silver halide color photographic material and method for forming color image | Yasuhiro Yoshioka, Hiroo Takizawa | 1998-03-17 |
| 5719018 | Silver halide color light-sensitive material | Taiji Katsumata, Hiroo Takizawa, Yasuhiro Yoshioka | 1998-02-17 |
| 5719007 | Silver halide color photographic material | Mamoru Sakurazawa, Hisashi Mikoshiba | 1998-02-17 |
| 5672722 | Color fade inhibitor | Nobuo Seto, Yasuhiro Yoshioka | 1997-09-30 |
| 5667959 | Silver halide photographic material and hydroxamic acid based compound used therefor | Hisashi Mikoshiba, Hiroo Takizawa, Junichiro Hosokawa, Yoshio Ishii, Keiji Mihayashi | 1997-09-16 |
| 5667951 | Silver halide color photographic material containing photographic yellow dye-forming coupler | Hiroo Takizawa, Takeshi Nakamine, Yasuhiro Yoshioka | 1997-09-16 |
| 5612174 | Photographic yellow dye-forming couplers and silver halide color photographic materials containing the same | Hiroo Takizawa, Yasuhiro Yoshioka | 1997-03-18 |
| 5597682 | Silver halide color photographic material | Yoshio Ishii, Keiji Mihayashi | 1997-01-28 |
| 5580710 | Silver halide photographic material | Hiroo Takizawa, Yasuhiro Yoshioka | 1996-12-03 |
| 5576151 | Processing solution for silver halide color photographic materials and method for processing the materials with use of the processing solution | Hiroshi Kawamoto, Shigeru Nakamura | 1996-11-19 |