Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890130 | Lens-fitted photographic film package | Hisashi Takei, Hiroshi Ohmura, Seimei Ushiro, Mitsuyoshi Mochida, Yoshihiko Nakamura +1 more | 1989-12-26 |
| 4884087 | Photographic film package and method of making the same | Mitsuyoshi Mochida, Tokuo Maekawa, Hisashi Takei, Yasuo Matsumoto, Hiroshi Ohmura +3 more | 1989-11-28 |
| 4862439 | Recording device that identifies recordable areas of a disk record | Ryo Ando, Tadao Yoshida, Kazuhiko Fujiie | 1989-08-29 |
| 4855774 | Lens-fitted photographic film package | Hiroshi Ohmura, Seimei Ushiro, Hiroshi Hara, Seiji Asano | 1989-08-08 |
| 4833495 | Lens-fitted photographic film package | Hiroshi Ohmura, Yasuo Matsumoto, Shigeru Sugimoto, Seimei Ushiro, Seiji Asano | 1989-05-23 |
| 4812863 | Lens-fitted photographic film package | Hiroshi Ohmura, Seiji Asano | 1989-03-14 |
| 4795078 | Method for producing a clad steel pipe | Takanori Kuroki | 1989-01-03 |