Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689554 | Silver handle emulsion and silver halide photographic lightsensitive material | Kohzaburoh Yamada, Masahiko Taniguchi, Takashi Hoshimiya, Hirokazu Kyota, Masafumi Mizuno | 2004-02-10 |
| 6686140 | Silver halide photosensitive material | Kohzaburoh Yamada, Yasuhiro Shimada | 2004-02-03 |