Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11650599 | Positioning detection device and working machine having positioning detection device | Kenichi Iwami, Akira CHABATA, Naohiro Ishikawa | 2023-05-16 |
| 11280910 | Satellite radio wave sensitivity distribution management system and method for work vehicle | Naohiro Ishikawa, Akira CHABATA, Yasushi Watabe | 2022-03-22 |
| 11169279 | Work-vehicle position measurement system, work vehicle, and work-vehicle position measurement method | Atsushi Shinkai, Kazuo Sakaguchi, Izuru Shimamoto, Kenji TAMATANI, Megumi Suzukawa | 2021-11-09 |
| 10884429 | Positioning detection device and working machine having positioning detection device | Kenichi Iwami, Akira CHABATA, Naohiro Ishikawa | 2021-01-05 |