Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8712223 | Authoring method, authoring device and program | — | 2014-04-29 |
| 7564752 | Disc signal evaluation apparatus and disc signal evaluation method | Kazuyoshi Takahashi | 2009-07-21 |