Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6980826 | Communication system, a communication method, and a cellular phone | — | 2005-12-27 |
| 6843413 | Information providing method and information providing device | Tsugihiko Ohno, Norihito Takatori | 2005-01-18 |