Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6338975 | Optical circuit device, its manufacturing process and a multilayer optical circuit using said optical circuit device | Tetsuzo Yoshimura, Satoshi Tatsuura, Wataru Sotoyama, Yasuhiro Yoneda, Koji Tsukamoto +1 more | 2002-01-15 |