Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7123809 | Optical fiber array | Tsuyoshi Yamamoto, Johji Yamaguchi | 2006-10-17 |
| 6978073 | Optical fiber array | Tsuyoshi Yamamoto, Johji Yamaguchi | 2005-12-20 |
| 6912336 | Optical switch device | Hiromu Ishii, Yasuyuki Tanabe, Katsuyuki Machida, Masami Urano, Toshishige Shimamura +1 more | 2005-06-28 |