Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7092392 | Packet routing apparatus | Shigeki Yoshino, Hidemitsu Higuchi, Yoshitaka Sainomoto, Yukihide Inagaki | 2006-08-15 |
| 7088726 | Translator for IP networks, network system using the translator, and IP network coupling method therefor | Shinichi Hamamoto, Ken Watanabe, Kazuaki Tsuchiya | 2006-08-08 |
| 7072338 | Communicating method between IPv4 terminal and IPv6 terminal and IPv4-IPv6 converting apparatus | Kazuaki Tsuchiya, Shinichi Hamamoto, Ken Watanabe, Toshikazu Yasue, Yoshifumi Atarashi +3 more | 2006-07-04 |
| 7072339 | Communicating method between IPv4 terminal and IPv6 terminal and IPv4-IPv6 converting apparatus | Kazuaki Tsuchiya, Shinichi Hamamoto, Ken Watanabe, Toshikazu Yasue, Yoshifumi Atarashi +3 more | 2006-07-04 |
| 7068656 | Packet routing apparatus and a method of routing a packet | Yoshitaka Sainomoto, Hidemitsu Higuchi, Shigeki Yoshino, Yukihide Inagaki | 2006-06-27 |
| 6985485 | Communicating method between IPv4 terminal and IPv6 terminal and IPv4-IPv6 converting apparatus | Kazuaki Tsuchiya, Shinichi Hamamoto, Ken Watanabe, Toshikazu Yasue, Yoshifumi Atarashi +3 more | 2006-01-10 |
| 6928077 | Communicating method between IPv4 terminal and IPv6 terminal and IPv4-IPv6 converting apparatus | Kazuaki Tsuchiya, Shinichi Hamamoto, Ken Watanabe, Toshikazu Yasue, Yoshifumi Atarashi +3 more | 2005-08-09 |
| 6920138 | Communication method between IPv4 terminal and IPv6 terminal and IPv4-IPv6 converting apparatus | Kazuaki Tsuchiya, Shinichi Hamamoto, Ken Watanabe, Toshikazu Yasue, Yoshifumi Atarashi +3 more | 2005-07-19 |
| 6920136 | Communicating method between IPv4 terminal and IPv6 terminal and IPv4-IPv6 converting apparatus | Kazuaki Tsuchiya, Shinichi Hamamoto, Ken Watanabe, Toshikazu Yasue, Yoshifumi Atarashi +3 more | 2005-07-19 |
| 6920137 | Communicating method between IPv4 terminal and IPv6 terminal and IPv4-IPv6 converting apparatus | Kazuaki Tsuchiya, Shinichi Hamamoto, Ken Watanabe, Toshikazu Yasue, Yoshifumi Atarashi +3 more | 2005-07-19 |
| 6912219 | Communicating method between IPv4 terminal and IPv6 terminal and IPv4 converting apparatus | Kazuaki Tsuchiya, Shinichi Hamamoto, Ken Watanabe, Toshikazu Yasue, Yoshifumi Atarashi +3 more | 2005-06-28 |
| 6690669 | Communicating method between IPv4 terminal and IPv6 terminal and IPv4-IPv6 converting apparatus | Kazuaki Tsuchiya, Shinichi Hamamoto, Ken Watanabe, Toshikazu Yasue, Yoshifumi Atarashi +3 more | 2004-02-10 |
| 6598071 | Communication apparatus and method of hand over of an assigned group address from one communication apparatus to another | Kenji Hayashi, Yoshifumi Atarashi | 2003-07-22 |
| 6292489 | Router device and network system using the same | Hidehiro Fukushima, Kenji Kawakita, Masashi Kamegaya | 2001-09-18 |
| 6278712 | Network and switching node in which resource can be reserved | Masatoshi Takihiro, Takeshi Ishizaki, Shuji Ohno, Masataka Ohta | 2001-08-21 |
| 6173312 | System for reliably connecting a client computer to a server computer | Yoshifumi Atarashi, Kenji Hayashi, Shoichiro Yamaguchi | 2001-01-09 |
| 6137781 | Communication network system | Toshiyasu Goto, Hiroshi Sekino | 2000-10-24 |
| 6128294 | Network connecting apparatus | Tetsuo Oura | 2000-10-03 |
| 6118784 | Communicating method between IPv4 terminal and IPv6 terminal and IPv4-IPv6 converting apparatus | Kazuaki Tsuchiya, Shinichi Hamamoto, Ken Watanabe, Toshikazu Yasue, Yoshifumi Atarashi +3 more | 2000-09-12 |
| 6038233 | Translator for IP networks, network system using the translator, and IP network coupling method therefor | Shinichi Hamamoto, Ken Watanabe, Kazuaki Tsuchiya | 2000-03-14 |
| 6034964 | Router device and network system using the same | Hidehiro Fukushima, Kenji Kawakita, Masashi Kamegaya | 2000-03-07 |
| 5434863 | Internetworking apparatus for connecting plural network systems and communication network system composed of plural network systems mutually connected | Katsuyoshi Onishi, Osamu Takada, Toshiaki Koyama, Hiromichi Enomoto | 1995-07-18 |
| 4954818 | Multi-window display control system | Keiichi Nakane, Tadashi Kuwabara, Hiroyuki Koreeda, Hiroaki Aotsu, Masaki Kawase +3 more | 1990-09-04 |