Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7899287 | Optical branching-coupling device, and manufacturing method and optical module of the same | Kenji Haga, Yukitoshi Inui, Akiko Okita, Masaaki Tsuchimori, Akari Nakao | 2011-03-01 |