Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8050536 | Digital recording apparatus and copyright protection method thereof | Hisato Shima, Harumi Kawamura | 2011-11-01 |
| 8005214 | Data transmission system | Tomoyuki Asano, Yoshitomo Osawa, Ryuji Ishiguro | 2011-08-23 |