Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7646678 | Analog watch | Toshiyuki Imai, Hiroyuki Satou, Masahide Hasegawa, Kazuhisa Tohyama, Keiji Nakagawa | 2010-01-12 |
| D569741 | Watch | Hiroyuki Satou, Masahide Hasegawa, Kazuhisa Tohyama, Toshiyuki Imai, Keiji Nakagawa | 2008-05-27 |