Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7561900 | Portable apparatus having simple and detailed menus | Yoshikazu Watanabe, Ken Hayashida, Takanobu Hattori, Yoshitomo Ishii, Kenichi Shinagawa | 2009-07-14 |
| 7171243 | Portable terminal device | Yoshikazu Watanabe, Ken Hayashida, Takanobu Hattori, Yoshitomo Ishii, Kenichi Shinagawa | 2007-01-30 |