Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12412909 | Cooling system | Kentaro Fukuda, Ryosuke Yamada, Shunjiro Kikawa, Hisashi Higashi, Masahiro Kimura +1 more | 2025-09-09 |
| 7453800 | Communications apparatus and congestion control method | Ryo Takajitsuko, Kenichi Okabe, Shiro Uriu | 2008-11-18 |
| 7092900 | Electronic commerce method, recording medium storing electronic commerce program therein, and server | Takashi Yamane, Tetsuya Fujisawa, Seiji Kawaguchi, Masashi Ohnishi | 2006-08-15 |
| 6671760 | Switching system for controlling internal apparatuses in an exchange system | Masaki Kira, Atsushi Fujihira, Kiyofumi Mitsuze, Hidetoshi Iwasa | 2003-12-30 |
| 6477141 | Communication path quality monitoring method and quality monitoring apparatus | Naoyuki Izawa, Masaki Kira, Noriko Samejima | 2002-11-05 |
| 5958069 | Apparatus for preventing malfunction at time of duplex unit failure | Masaki Kira, Shiro Uriu, Yukinaga Toyoda, Kazumasa Sonoda | 1999-09-28 |
| 5878063 | Method of detecting cell loss and exchange provided with cell loss detecting function | Shiro Uriu, Koki Mie, Yukinaga Toyoda, Naoki Fukuda | 1999-03-02 |
| 5663949 | Line protection switching system in duplexed fiber interface shelf | Ryoichi Ishibashi, Tomiko Ito, Kouki Mie | 1997-09-02 |