Issued Patents 1989
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890130 | Lens-fitted photographic film package | Hisashi Takei, Seimei Ushiro, Mitsuyoshi Mochida, Yoshihiko Nakamura, Seiji Asano +1 more | 1989-12-26 |
| 4884087 | Photographic film package and method of making the same | Mitsuyoshi Mochida, Tokuo Maekawa, Hisashi Takei, Yasuo Matsumoto, Shigeru Sugimoto +3 more | 1989-11-28 |
| 4855774 | Lens-fitted photographic film package | Seimei Ushiro, Hiroshi Hara, Seiji Asano, Toshio Yoshida | 1989-08-08 |
| RE32959 | Automatic focusing apparatus | Takashi Maemori, Toshio Ishii | 1989-06-20 |
| 4833495 | Lens-fitted photographic film package | Yasuo Matsumoto, Shigeru Sugimoto, Seimei Ushiro, Seiji Asano, Toshio Yoshida | 1989-05-23 |
| 4831398 | Photographic film package and method of making the same | Keiji Nakayama, Seimei Ushiro | 1989-05-16 |
| 4825239 | Distance detection method and apparatus | Yasuo Suda, Akira Akashi, Akira Ishizaki, Keiji Ohtaka | 1989-04-25 |
| 4812866 | Photographic film package | Seimei Ushiro, Michio Cho, Tsutomu Tanaka, Yasuhiko Tanaka, Seiji Asano +1 more | 1989-03-14 |
| 4812863 | Lens-fitted photographic film package | Seiji Asano, Toshio Yoshida | 1989-03-14 |
| 4811110 | Reflection-type overhead projector | Seimei Ushiro | 1989-03-07 |