Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487589 | Information device, information device system control method, and information device system | Yoshikatsu Yoshino, Tsukasa Hasegawa, Chiyo Akamatsu, Shinichiro Fukushima | 2002-11-26 |