Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851322 | Optical recording medium | Yoshio Inagaki, Naonori Makino, Keiichi Adachi, Yoshiaki Suzuki | 1989-07-25 |
| 4840862 | Photoconductive composition having an azaazulenium salt | Naonori Makino, Yoshio Inagaki, Seiji Horie | 1989-06-20 |
| 4814265 | Silver halide photographic light-sensitive material | Haruo Takei | 1989-03-21 |