Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7979693 | Relay apparatus for encrypting and relaying a frame | Takamitsu Iida, Hideshi Sakurai, Satoshi Obara, Yukihiro Nakajima | 2011-07-12 |
| 6091876 | Extra length accommodation structure for optical fiber | Hidehiko Hizuka, Shin Watanabe, Katsumi Kanasaki, Katsuki Matsunaga | 2000-07-18 |