Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5379357 | Method and apparatus for polarized optical telecommunications using ultrasonic modulation means | Akira Fujisaki, Haruki Ogoshi, Morinobu Mizutani, Mitsuo Miyazaki | 1995-01-03 |
| 5331392 | Method of identifying an optical cable | Akira Fujisaki | 1994-07-19 |
| 5202746 | Method and apparatus for identifying an optical transmission medium | Akira Fujisaki, Haruki Ogoshi, Morinobu Mizutani, Mitsuo Miyazaki | 1993-04-13 |
| 5170449 | Converting device using an optical fiber | Akira Fujisaki | 1992-12-08 |
| 4306767 | Single-mode optical fiber | Masao Kawachi, Tadashi Miyashita, Yasuro Furui, Toshiaki Kuroha | 1981-12-22 |