Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10204652 | Optical recording medium having a plurality of recording layers capable of suppressing off-track | Kensaku Takahashi, Manami Miyawaki | 2019-02-12 |
| 9911451 | Optical recording medium having a plurality of recording layers capable of suppressing off-track | Kensaku Takahashi, Manami Miyawaki | 2018-03-06 |
| 9672861 | Optical recording medium | Kensaku Takahashi, Hidehiro Kosaka | 2017-06-06 |
| 9311953 | Recording layer, information recording medium, and target | Kotaro Kurokawa | 2016-04-12 |
| 8846173 | Optical recording medium and manufacturing method of optical recording medium | Shigeki Takagawa, Hiroshi Uchiyama | 2014-09-30 |