Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641987 | Silver halide photographic light-sensitive material | Yoichi Suga, Jun Okamoto | 2003-11-04 |
| 6175403 | Printer control pictorial tool for use in setting up printing conditions of photo-printer | — | 2001-01-16 |
| 5091293 | Color negative photographic material | Yasushi Nozawa, Keiji Mihayashi, Yoshihiko Shibahara | 1992-02-25 |
| 4680253 | Color photographic material | Yoshihiko Shibahara | 1987-07-14 |