Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7890653 | Operation history utilization system | Hiroshi Kutsumi, Atsushi Yoshida | 2011-02-15 |
| 7880766 | Detection area adjustment apparatus | Katsuji Aoki, Atsushi Yoshida | 2011-02-01 |