Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11963474 | Spreader device | Sumio Yagyu, Takao Nakagawa, Piet Jan Van Der Marel | 2024-04-23 |
| 11540437 | Spraying support system for working machine | Sumio Yagyu, Takao Nakagawa, Yukifumi Yamanaka, Go Takaki | 2023-01-03 |
| 11479115 | Attachment structure of generator and working machine | Sumio Yagyu, Takao Nakagawa | 2022-10-25 |
| 11283381 | Power system for a work vehicle | Sumio Yagyu, Takao Nakagawa, Yukifumi Yamanaka, Go Takaki | 2022-03-22 |
| 11273834 | Work management system and work management method | Sumio Yagyu, Takao Nakagawa, Piet Jan Van Der Marel | 2022-03-15 |
| 10582657 | Spreading device | Sumio Yagyu, Takao Nakagawa | 2020-03-10 |