Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8048174 | Theft prevention system | Masato Yamamichi, Keiko Yamamichi, Toshihisa Nakano, Kaoru Yokota, Motoji Ohmori +2 more | 2011-11-01 |
| 7631361 | Content reproduction system | Masato Yamamichi, Keiko Yamamichi, Motoji Ohmori, Masaya Yamamoto, Kazuhisa Watanabe +2 more | 2009-12-08 |