Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8331213 | Information recording medium, information reproducing device and method, and apparatus and method for manufacturing information recording medium | Hiroshi Nishiwaki, Eiji Muramatsu, Michikazu Horie | 2012-12-11 |
| 8133565 | Recording medium | Osamu Shouji | 2012-03-13 |
| 8114496 | Optical recording medium | Michikazu Horie, Masae Kubo | 2012-02-14 |
| 8018823 | Optical recording medium having a relation between groove widths, groove depths and track pitches | Hidehiro Sasaki, Masae Kubo | 2011-09-13 |
| 7778145 | Optical recording medium and optical recording method of the same | Michikazu Horie, Yutaka Kurose, Hideyuki Kubo | 2010-08-17 |
| 7381458 | Recording medium | — | 2008-06-03 |
| 7277376 | Optical recording method | Michikazu Horie, Takashi Ohno, Masae Kubo | 2007-10-02 |
| 7228554 | Cartridge type recording medium and disk-shaped recording medium including a hole for centering each thereof, cartridge, driving unit and driving method | Toshinori Sugiyama | 2007-06-05 |
| 7073186 | Cartridge type recording medium and disk-shaped recording medium including a hole for centering each thereof, cartridge, driving unit and driving method | Toshinori Sugiyama | 2006-07-04 |
| 7001655 | Optical recording medium | Jun Kanehira, Akio Okamuro | 2006-02-21 |