Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7967956 | Information recording medium and method for producing the same | Rie Kojima, Noboru Yamada | 2011-06-28 |
| 7897231 | Optical information recording medium and method for manufacturing the same | Rie Kojima, Noboru Yamada | 2011-03-01 |