Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42826 | Rewritable optical disk with spare area and optical disk processing apparatus | Hiroyuki Ohata | 2011-10-11 |
| 8027563 | Recording medium, reproducing apparatus, and reproducing method | Masaaki Shimada, Tomoaki Ryu | 2011-09-27 |
| 7924693 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, Mahesh C. Rao, Hiroyuki Ohata, Teruo Furukawa, Junichi Kondo +1 more | 2011-04-12 |