Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8488445 | Gateway device, optical network terminal, and passive optical network system | Masatoshi Takihiro, Takahiro Yoshida, Tetsuhiko Takahashi, Ryuji Ishii | 2013-07-16 |
| 8040872 | Frame forwarding apparatus | Toshiyuki Saito, Takaaki Toyama, Munetoshi Tsuge | 2011-10-18 |