Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7876667 | Optical information recording medium, and information recording method and information reproducing method using the same | Toshimichi Shintani, Yumiko Anzai, Akemi Hirotsune | 2011-01-25 |
| 7680025 | Optical information recording medium, reproducing method thereof, and manufacturing method thereof | Toshimichi Shintani, Harukazu Miyamoto, Yumiko Anzai | 2010-03-16 |
| 7663985 | Information recording and reproduction method and information recording and reproduction device | Takahiro Kurokawa, Harukazu Miyamoto | 2010-02-16 |
| 7596061 | Optical disk apparatus | Takahiro Kurokawa, Takeshi Shimano, Harukazu Miyamoto | 2009-09-29 |
| 7570548 | Optical pickup utilizing nonvolatile memory and adjustment method | Takahiro Kurokawa, Harukazu Miyamoto | 2009-08-04 |
| 7417942 | Information recording medium and information reproduction method | Harukazu Miyamoto, Takeshi Maeda | 2008-08-26 |
| 7349321 | Information reproduction apparatus and information reproduction method | Hiroyuki Minemura, Akemi Hirotsune, Harukazu Miyamoto | 2008-03-25 |