Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8113166 | Auto choke device for an engine | Toshimichi Kumagai, Masanobu Yamamoto | 2012-02-14 |
| 7891344 | Fuel tank | Akihiro Miyazaki, Takahide Sugiyama | 2011-02-22 |
| 7851931 | Soundproof type engine generator | Masanobu Yamamoto | 2010-12-14 |
| 6917121 | Power generator unit | Satoru Akimoto, Hidenori Takahashi, Makoto Yokokura | 2005-07-12 |