Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9140762 | Mobile electronic device and method for controlling the same | Akira Koyama, Masayoshi Nakajima | 2015-09-22 |
| 8392131 | Portable electronic device and method for controlling the same | Masayoshi Nakajima, Akira Koyama | 2013-03-05 |