Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8119215 | Optical recording medium and method for manufacturing the same | Yuichi Sabi, Etsuro Ikeda | 2012-02-21 |
| 8075975 | Optical recording medium and method for manufacturing the same | Etsuro Ikeda, Yuichi Sabi | 2011-12-13 |