Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696623 | UV exposure with elongated service lifetime | Nobuo Fujie, Keiji Kuroiwa, Masaki Nakamura, Kazuya Watanabe, Takashi Aruga +3 more | 1997-12-09 |
| 5617234 | Multiwavelength simultaneous monitoring circuit employing arrayed-waveguide grating | Masafumi Koga, Mitsuhiro Teshima, Ken'ichi Sato | 1997-04-01 |