Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5138621 | Pumping light source drive system for an optical amplifier | Koji Goto, Shu Yamamoto, Hiroharu Wakabayashi | 1992-08-11 |
| 4984884 | Method for measuring dispersion characteristics of an optical fiber | Shiro Ryu, Kiyohumi Mochizuki | 1991-01-15 |