Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6593602 | Edge emission type semiconductor device for emitting super luminescent light, its manufacture and spatial optical communication device | Ji-Hao Liang, Yoshihiro Ogawa, Ken Sasakura | 2003-07-15 |
| 6520670 | Light radiating device with large beam spot size and spatial optical communication device | Ji-Hao Liang, Kazuhisa Ishii | 2003-02-18 |