Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469826 | Optical amplifier | Hiroji Masuda, Junichi KANI | 2002-10-22 |
| 6359724 | Light generation method and light source | Yoshitada Katagiri, Shinji Nagaoka, Fumikazu Ohira, Ken Suzuki, Masamichi Fujiwara | 2002-03-19 |