Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7136910 | Information device, information device system control method, and information device system | Tsukasa Hasegawa, Chiyo Akamatsu, Shinichiro Fukushima, Hidefumi Goto | 2006-11-14 |
| 6728765 | Information device, information device system control method, and information device system | Tsukasa Hasegawa, Chiyo Akamatsu, Shinichiro Fukushima, Hidefumi Goto | 2004-04-27 |
| 6691150 | Information device, information device system control method, and information device system | Tsukasa Hasegawa, Chiyo Akamatsu, Shinichiro Fukushima, Hidefumi Goto | 2004-02-10 |
| 6487589 | Information device, information device system control method, and information device system | Tsukasa Hasegawa, Chiyo Akamatsu, Shinichiro Fukushima, Hidefumi Goto | 2002-11-26 |
| 6131111 | Information device information device system control method, and information device system | Tsukasa Hasegawa, Chiyo Akamatsu, Shinichiro Fukushima, Hidefumi Goto | 2000-10-10 |