Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8910840 | Shoulder harness for portable working machine | Keita Kamo, Masayoshi Miyamoto, Osamu Tada | 2014-12-16 |
| 6047668 | Backpack type power working machine | Takayuki Yamamoto, Tatsuhiko Matsubayashi, Satoru Kikuchi | 2000-04-11 |