Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495304 | Color-developing agent, silver halide photographic light-sensitive material and image-forming method | Osamu Uchida, Yasuhiro Ishiwata, Kiyoshi Takeuchi, Takashi Nakamura | 2002-12-17 |
| 6368780 | Silver halide photographic material and image formation method | Kiyoshi Takeuchi, Satoshi Sano, Yuki Mizukawa | 2002-04-09 |