Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9399854 | Cab and work vehicle | Masato Kitashou, Makoto Yomogita, Naoki Kimura, Masahiko Hamaguchi, Takanori Yamahata | 2016-07-26 |
| 9193395 | Cab and work vehicle | Masato Kitashou, Makoto Yomogita, Naoki Kimura, Masahiko Hamaguchi, Takanori Yamahata | 2015-11-24 |
| 9181680 | Motor grader | Takanori Yamahata, Satoshi Nakagawa, Masahiko Hamaguchi | 2015-11-10 |
| 8684120 | Cab for construction machine | Shigeaki Usui | 2014-04-01 |