Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7945923 | Disc device | Yoichi Narui, Ikuo Nishida, Kenji Watabe, Masahiro Matsuo | 2011-05-17 |
| 7869311 | Built-in type optical disc apparatus | Shigehiko Takeshita, Mitsuo Kurokawa, Masahiro Takasago | 2011-01-11 |