Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D584974 | Activity monitor | Masahiko Yumoto, Takashi Ono, Takuto Serizawa, Takashi Shigeno, Kazuya Andachi | 2009-01-20 |
| D582304 | Activity monitor | Kenji Hashino, Masahiro Kobayashi, Masahiko Yumoto, Shinya Tanaka, Takashi Shigeno +1 more | 2008-12-09 |