Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5627669 | Optical transmitter-receiver | Kanjo Orino, Tetsuo Sakanaka, Yasusaburo Degura | 1997-05-06 |
| 5594580 | Optical space communication apparatus | Tetsuo Sakanaka | 1997-01-14 |