Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7031307 | Packet routing apparatus having label switching function | Kazutomo Kon, Kenji Ishida, Tokuhiro Niwa | 2006-04-18 |
| 6985485 | Communicating method between IPv4 terminal and IPv6 terminal and IPv4-IPv6 converting apparatus | Kazuaki Tsuchiya, Naoya Ikeda, Shinichi Hamamoto, Toshikazu Yasue, Yoshifumi Atarashi +3 more | 2006-01-10 |
| 6977885 | Packet transmitting and receiving method and apparatus therefor | Tatsuya Watanuki, Toshikazu Yasue, Kazuko Iwatsuki | 2005-12-20 |
| 6950431 | Network relay apparatus | Shinji Nozaki, Sunao Sawada, Tatsuya Watanuki | 2005-09-27 |
| 6928077 | Communicating method between IPv4 terminal and IPv6 terminal and IPv4-IPv6 converting apparatus | Kazuaki Tsuchiya, Naoya Ikeda, Shinichi Hamamoto, Toshikazu Yasue, Yoshifumi Atarashi +3 more | 2005-08-09 |
| 6928167 | Method for managing public key | Atsushi Maeda | 2005-08-09 |
| 6920137 | Communicating method between IPv4 terminal and IPv6 terminal and IPv4-IPv6 converting apparatus | Kazuaki Tsuchiya, Naoya Ikeda, Shinichi Hamamoto, 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, Naoya Ikeda, Shinichi Hamamoto, Toshikazu Yasue, Yoshifumi Atarashi +3 more | 2005-07-19 |
| 6920138 | Communication method between IPv4 terminal and IPv6 terminal and IPv4-IPv6 converting apparatus | Kazuaki Tsuchiya, Naoya Ikeda, Shinichi Hamamoto, Toshikazu Yasue, Yoshifumi Atarashi +3 more | 2005-07-19 |
| 6912219 | Communicating method between IPv4 terminal and IPv6 terminal and IPv4 converting apparatus | Kazuaki Tsuchiya, Naoya Ikeda, Shinichi Hamamoto, Toshikazu Yasue, Yoshifumi Atarashi +3 more | 2005-06-28 |
| 6877105 | Method for sending notice of failure detection | Toshikazu Yasue, Tatsuya Watanuki | 2005-04-05 |
| 6690669 | Communicating method between IPv4 terminal and IPv6 terminal and IPv4-IPv6 converting apparatus | Kazuaki Tsuchiya, Naoya Ikeda, Shinichi Hamamoto, Toshikazu Yasue, Yoshifumi Atarashi +3 more | 2004-02-10 |
| 6580717 | Packet communication method and apparatus and a recording medium storing a packet communication program | Hidemitsu Higuchi, Toshikazu Yasue, Kazuaki Tsuchiya | 2003-06-17 |
| 6394428 | Method and apparatus for dissolving water-soluble gas in the sea and isolating it deep in the sea and a method for its installation | Yasutoshi Hinada, Sanai Kosugi, Kentaro Niwa, Takayuki Saito | 2002-05-28 |
| 6118784 | Communicating method between IPv4 terminal and IPv6 terminal and IPv4-IPv6 converting apparatus | Kazuaki Tsuchiya, Naoya Ikeda, Shinichi Hamamoto, 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, Kazuaki Tsuchiya, Naoya Ikeda | 2000-03-14 |
| 5978844 | Internetworking apparatus for load balancing plural networks | Kazuaki Tsuchiya, Yoshihito Sako, Tetsuo Oura | 1999-11-02 |
| 5886646 | Data display system based on a paging signal | Isao Watanabe, Yoshichika Watanabe, Osamu Furuya, Yuzo Miura | 1999-03-23 |
| 5675641 | Dual-mode speaker telephone | Norifumi Yoshida | 1997-10-07 |
| 5581278 | Image display control system | Kazuo Sugai, Hisaaki Shibata, Kazuko Ito, Katsuyoshi Onishi | 1996-12-03 |
| 4203064 | Method for automatically controlling the position of small objects | Etsuji Suzuki, Tomio Kashihara, Susumu Hashimoto, Tsuyoshi Kodama | 1980-05-13 |