Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12117712 | 1 x N optical switch | Yusuke Muranaka, Toshikazu Hashimoto | 2024-10-15 |
| 12111559 | Optical switch | Yusuke Muranaka, Toshikazu Hashimoto | 2024-10-08 |
| 11921397 | Optical switch element | Yusuke Muranaka, Toshikazu Hashimoto | 2024-03-05 |
| 6535661 | Optical signal processing method and optical signal processing apparatus | Ryo Takahashi, Hirokazu Takenouchi, Hiroshi Yoshimura, Hiroyuki Suzuki, Hiroki Itoh | 2003-03-18 |