Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9429068 | Engine generator assembly | Sanping Li | 2016-08-30 |
| 7235891 | Power system having generator driven by engine | Masayoshi Tokiwa, Kotaro Nakamura, Masao Mabuchi, Nobuyuki Toyoura, Kenichi Inoue +2 more | 2007-06-26 |
| 7146256 | Power source switching unit and power source management system comprising it | Masayoshi Tokiwa, Toshinobu Fujisawa, Tadatatsu Kanemoto, Yasunori Goda, Mamoru Fukae +1 more | 2006-12-05 |
| 6927499 | Power generator and system comprising it | Masayoshi Tokiwa, Toshinobu Fujisawa, Tadatatsu Kanemoto, Hiroshi Yoshimoto, Kozo Yamamuro +1 more | 2005-08-09 |