Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7574273 | Audio recording device | Yasushi Obata, Hitoshi Miyamoto | 2009-08-11 |
| 7103431 | Audio player | Toru Kamimura, Masanao Yoshida | 2006-09-05 |
| 5926826 | Flash memory erasable programmable ROM that has uniform erasing and a replaceable writing start mark, flag, or pointer for use in blank, free, or empty blocks | Yoshihiko Ninomiya | 1999-07-20 |