Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7867141 | Physical activity measuring system | Yoshihiro Matsumura, Matsuki Yamamoto, Hideki Nakamura, Yasuko Yamamoto, Junji Ikeda +2 more | 2011-01-11 |
| 6588946 | Optical coupling device | — | 2003-07-08 |