Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689578 | Polarized wave holding optical fiber, production method therefor, connection method therefor, optical amplifier, laser oscillator and polarized wave holding optical fiber coupler | Ryozo Yamauchi, Minoru Sawada, Fumio Suzuki, Kazuhiko Aikawa, Tetsuo Nozawa +1 more | 1997-11-18 |