Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886719 | Electrophotography photosensitive member and a method for fabricating same | Eiichiro Tanaka, Akio Takimoto, Koji Akiyama, Kyoko Onomichi, Chisato Sakahara | 1989-12-12 |
| 4883967 | Radiation detector and method of manufacturing the same | Hiroshi Tsutsui, Sueki Baba, Koichi Ohmori, Tetsuro Ohtsuchi | 1989-11-28 |
| RE33117 | Focal plane shutter for cameras | Eiichi Onda | 1989-11-21 |
| 4859060 | Variable interferometric device and a process for the production of the same | Masayuki Katagiri, Kazutaka Uda, Masaya Hijikigawa, Shuhei Tsuchimoto, Yasuhiko Inami | 1989-08-22 |
| 4842860 | Process for producing controlled release preparation | Hisao Sugiura | 1989-06-27 |