Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8522288 | IP broadcasting system and a multicast group management apparatus for the same | Hiroki Ikeda, Kenichi Sakamoto | 2013-08-27 |
| 8184976 | Passive optical network system and operating method thereof | Tohru Kazawa, Yusuke Yajima | 2012-05-22 |
| 7908390 | Packet forwarding apparatus using token bucket algorithm and leaky bucket algorithm | Masayuki Takase, Yoshihiro Ashi, Masahiko Mizutani, Tohru Kazawa, Kenichi Sakamoto | 2011-03-15 |
| 7616567 | Shaping apparatus, communication node and flow control method for controlling bandwidth of variable length frames | Masanobu Kobayashi, Yoshihiro Ashi, Toru Kazawa | 2009-11-10 |