Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659558 | Short-wavelength laser element doped with rare earth ions, optical amplifier doped with rare earth ions, and wavelength converter doped with rare earth ions | Jun Ohya, Tomoaki Uno | 1997-08-19 |