Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878933 | Apparatus for fusion splicing optical fibers | Takeshi Yamada, Yasukuni Osato, Okosu Watanabe, Osamu Kawata, Koushi Ishihara | 1989-11-07 |
| 4851897 | Image pickup system having a lens assembly and means for providing information relating to the spectral characteristic of the lens assembly | Mutsumi Inuma | 1989-07-25 |
| 4833525 | High speed color balance adjusting device capable of compensating for a flickering light source | Seiji Hashimoto, Akihiko Tojo, Tsutomu Takayama, Toshio Kaji | 1989-05-23 |