Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7266139 | Optical semiconductor device module and bidirectional module | Seiichiro Tabata, Atsushi Kawamura | 2007-09-04 |
| 7023891 | Semiconductor optical device | Go Sakaino, Yoshihiro Hisa | 2006-04-04 |