Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954135 | Emergency communication system | Kenji Yoshioka | 2005-10-11 |
| 6873837 | Emergency reporting system and terminal apparatus therein | Kenji Yoshioka, Masashi Yamamoto | 2005-03-29 |