Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8454863 | Method of and apparatus for manufacturing multi-layer optical information recording medium | Kazuhiro Hayashi, Kazuya Hisada, Eiji Ohno | 2013-06-04 |
| 7820234 | Manufacturing method of optical information recording medium | Kazuhiro Hayashi, Kazuya Hisada, Shinya Abe, Eiji Ohno | 2010-10-26 |
| 7460463 | Method of and apparatus for manufacturing multi-layer optical information recording medium | Kazuhiro Hayashi, Kazuya Hisada, Eiji Ohno | 2008-12-02 |
| 7396562 | Optical information-recording medium manufacturing method and manufacturing apparatus | Kazuya Hisada, Eiji Ohno, Kazuhiro Hayashi | 2008-07-08 |