Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7308245 | Mobile station | Yoichi Kakimoto, Masahiro Izaki | 2007-12-11 |
| 7123913 | Cellular telephone | Masahide Akao, Michiyuki Yamaoka | 2006-10-17 |
| 6990331 | Mobile terminal | Masahide Akao, Michiyuki Yamaoka, Kiyoshi Okada | 2006-01-24 |
| 6146286 | Golf club head and a golf club using this head | — | 2000-11-14 |