Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9088547 | Connection method, communication system, device, and program | Nobuyuki Enomoto, Youichi Hidaka, Hideo Yoshimi, Atsushi Iwata | 2015-07-21 |
| 7904085 | Mobile device and radio interface arrangement method | Tsuneo Nakata, Makoto Nishio | 2011-03-08 |
| 7594029 | System and method for external resolution of packet transfer information | Norihito Fujita, Atsushi Iwata, Yuichi Ishikawa | 2009-09-22 |
| 6680946 | Layer 3 flow-switching method and system | Kazuhiko Isoyama, Toshiya Aramaki | 2004-01-20 |
| 6546422 | Caching of network contents by packet relays that determine cache priority utilizing contents access frequency and metrics in their routing tables representing relaying path lengths | Kazuhiko Isoyama, Motoo Nishihara | 2003-04-08 |
| 6415313 | Communication quality control system | Kenshin Yamada, Takafumi Sera | 2002-07-02 |
| 6151303 | Method of asynchronous transfer mode (ATM) switching and an ATM switching equipment | — | 2000-11-21 |
| 5889777 | Network server | Yasuhiro Miyao, Masahiko Honda | 1999-03-30 |
| 4922484 | ISDN remote switching unit for accommodating analog and digital lines | Yoshinori Yoshida, Masao Hashimoto, Suminori Yoshikawa | 1990-05-01 |
| 4835766 | Monitoring system capable of monitoring a sequence of digital signals flowing through a subscriber line | Hiromi Takahashi | 1989-05-30 |