Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9407389 | Communication system and time synchronization method | Masahiko Mizutani, Yoshihiro Ashi, Daiji MITSUNAGA, Hideyuki Nakanishi | 2016-08-02 |
| 7830886 | Router and SIP server | Atsushi Tachikawa | 2010-11-09 |
| 7680121 | Transmission apparatus, method and program | Katsuhisa Ogawa, Masahiko Kosaka, Naohiko Suzuki | 2010-03-16 |
| 7664954 | Providing apparatus, providing method, communication device, communication method, and program | Katsuhisa Ogawa, Naohiko Suzuki | 2010-02-16 |
| 7542573 | Providing apparatus, communication device, method, and program | Katsuhisa Ogawa, Naohiko Suzuki | 2009-06-02 |
| 7457875 | Access server with function of collecting communication statistics information | Mitsuhiro Wada, Noriyuki Sueyoshi, Yasuo Murakami, Hiroaki Miyata | 2008-11-25 |
| 7415536 | Address query response method, program, and apparatus, and address notification method, program, and apparatus | — | 2008-08-19 |
| 7404008 | Address translator and method for management of address translation rules | Keisuke Takeuchi, Tetsuhiko Hirata | 2008-07-22 |
| 7330470 | Router and sip server | Atsushi Tachikawa | 2008-02-12 |
| 7123599 | Mobile communication system | Masashi Yano, Tetsuhiko Hirata, Masaya Hayashi | 2006-10-17 |
| 6956575 | Character provision service system, information processing apparatus, controlling method therefor, and recording medium | Tsuyoshi Yagisawa, Kazue Kaneko, Takashi Aso, Makoto Hirota, Kazuko Suzuki | 2005-10-18 |