Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7848750 | System for changing location registration | Fukiko Maeda, Koji Chiba | 2010-12-07 |
| 7386312 | Mobile terminal, communication system, and method for changing location registration | Fukiko Maeda, Koji Chiba | 2008-06-10 |
| 7096492 | Methods and devices for carrying out user authentication | Masaaki Yamamoto, Yoshiaki Hiramatsu, Tatsuaki Wakabayashi | 2006-08-22 |
| 6263214 | Method for controlling activation of mobile station, and mobile station using the method | Hidetoshi Yazaki, Kouji Chiba, Isao Hirakodama | 2001-07-17 |