Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8737387 | Gateway unit, communication system and communication method | Motofumi Tanabe, Koji Sato, Shinji Furuya, Shingo Soma | 2014-05-27 |
| 8509619 | Communication control method, station side device, subscriber side device, and communication system | Hiroaki Mukai, Takashi Kikuzawa | 2013-08-13 |
| 8422881 | Optical access network | — | 2013-04-16 |
| 7317688 | Optical communication system with dynamic bandwidth allocation | Hiroaki Mukai, Toshikazu Yoshida, Seiji Kozaki | 2008-01-08 |
| 7209443 | Bandwidth updating method and bandwidth updating apparatus | Hiroaki Mukai, Toshikazu Yoshida | 2007-04-24 |
| 7039066 | Dynamic bandwidth assignment system and dynamic bandwidth assignment method capable of reducing cell transmission delay | Takamasa Suzuki, Minoru Akita, Yoshihiro Asashiba, Seiji Kozaki | 2006-05-02 |
| 5831973 | Multicast connection control method and apparatus | Tatsuki Ichihashi, Kazunori KOTAKA, Kazuyuki Kashima, Keiichi Soda, Koichi Hiramatsu +1 more | 1998-11-03 |
| 5793767 | ATM communication device and ATM communication network system with terminal devices having uniquely assigned virtual channel identifiers | Keiichi Soda, Tatsuki Ichihashi, Yukio Ushisako, Kazuyuki Kashima, Koichi Hiramatsu +1 more | 1998-08-11 |
| 5654965 | ATM communication network system with common system information storage | Toshiyuki Takahashi, Tatsuki Ichihashi, Kazuyuki Kashima, Keiichi Soda | 1997-08-05 |