Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7715860 | Mobile phone and method of controlling transmission power | — | 2010-05-11 |
| 7369840 | Notification system, and method for remotely turning on cellular phone being in power-off state and cellular phone thereof | — | 2008-05-06 |
| 7238935 | Light detection device | Kenjiro Hamanaka, Masahiro Oikawa, Kenichi Nakama | 2007-07-03 |
| 7164111 | Device for detecting invisible light beam | — | 2007-01-16 |