Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8159924 | Optical disc device and media type determination method | Masaki Uchida | 2012-04-17 |
| 7403456 | Optical disc recording method and apparatus | — | 2008-07-22 |
| 7102978 | Multi-format optical disk device and optical disk recording and/or reproducing method | — | 2006-09-05 |
| 6868051 | Optical disk drive, and method for identifying optical disks mounted thereto | — | 2005-03-15 |
| 6256282 | Optical recording medium and recording method thereof | Tamotsu Yamagami, Toru Takeda, Shoei Kobayashi | 2001-07-03 |
| 5173816 | Disk drive with automatic disk type and disk insertion detection | — | 1992-12-22 |