Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874689 | Silver halide color photographic material | Junichi Yamanouchi, Shigetoshi Ono, Tsumoru Hirano, Nobuo Sakai, Keiji Mihayashi | 1989-10-17 |
| 4844568 | Scanning type projection exposure system | Masaki Suzuki, Hiroyuki Nagano, Takeo Sato | 1989-07-04 |