Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657144 | Optical processing device operating in a wavelength-synchronized mode and an optical circuit exchanger that uses such an optical processing device | Kazuhiro Tanaka, Kiyohide Wakao, Nobuhiro Fujimoto, Hiroyuki Rokugawa, Satoshi Kuroyanagi | 1997-08-12 |