Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10801532 | Work machine | Yuichi Ogawa, Seiji Hijikata, Kiwamu Takahashi, Kouji Ishikawa | 2020-10-13 |
| 10794044 | Work machine hydraulic control system | Yuichi Ogawa, Seiji Hijikata | 2020-10-06 |
| 10557251 | Work machine | Shinya Imura, Shinji Nishikawa, Manabu Edamura, Kouji Ishikawa, Shinji Ishihara | 2020-02-11 |
| 10538236 | Control apparatus for hybrid construction machine | Shinji Ishihara | 2020-01-21 |