Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480329 | Multi-wavelength light amplifier | Yasushi Sugaya, Susumu Kinoshita, Terumi Chikama | 2002-11-12 |
| 6400499 | Multi-wavelength light amplifier | Yasushi Sugaya, Susumu Kinoshita, Terumi Chikama | 2002-06-04 |
| 6369938 | Multi-wavelength light amplifier | Yasushi Sugaya, Susumu Kinoshita, Terumi Chikama | 2002-04-09 |