Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9188066 | Speed reduction method for hand-carried engine-driven working machine | Ryouhei Yamashita, Akira Yamazaki, Hideki Watanabe, Takumi Nonaka | 2015-11-17 |
| 9115670 | Fuel control method for hand-carried engine-driven working machine | Ryouhei Yamashita, Akira Yamazaki, Hideki Watanabe, Takumi Nonaka | 2015-08-25 |
| 9062621 | Fuel control method for handheld engine operating machine | Ryouhei Yamashita, Akira Yamazaki, Hideki Watanabe, Takumi Nonaka | 2015-06-23 |