Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4722081 | Analog optical transmission system | Katsuyuki Fujito, Yoshiki Nishino | 1988-01-26 |
| 4611352 | Optical transmission apparatus | Katsuyuki Fujito, Hiroaki Nakata | 1986-09-09 |