Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890130 | Lens-fitted photographic film package | Hisashi Takei, Hiroshi Ohmura, Seimei Ushiro, Yoshihiko Nakamura, Seiji Asano +1 more | 1989-12-26 |
| 4884087 | Photographic film package and method of making the same | Tokuo Maekawa, Hisashi Takei, Yasuo Matsumoto, Hiroshi Ohmura, Shigeru Sugimoto +3 more | 1989-11-28 |