Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378750 | Working vehicle | Shumpei Okutani, Tetsuya Matsumoto | 2025-08-05 |
| 12258734 | Working control device in working vehicle | Yuta Kobayashi, Shumpei Okutani, Koichi Shimizu | 2025-03-25 |
| 11769914 | Working vehicle | Shumpei Okutani, Tetsuya Matsumoto | 2023-09-26 |
| 11643793 | Operation control device for working vehicle | Koichi Shimizu, Shumpei Okutani | 2023-05-09 |
| 11208007 | Direct current power supply circuit mounted in working vehicle | Shumpei Okutani, Tetsuya Matsumoto | 2021-12-28 |
| 10954968 | Operation control device for working vehicle | Koichi Shimizu, Shumpei Okutani, Yuta Kobayashi | 2021-03-23 |
| 10472805 | Hydraulic drive unit of hydraulic excavator | Koichi Shimizu, Yuta Kobayashi, Shumpei Okutani, Takahiro Watanabe | 2019-11-12 |