Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7226219 | High-frequency signal transmitting optical module and method of fabricating the same | Yoshihisa Warashina, Yasuji Hoshino, Kei Tabata | 2007-06-05 |
| 6880985 | Optical module | Yasuji Hoshino, Yoshihisa Warashina, Hajime Takeyama | 2005-04-19 |