Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404926 | Work vehicle | Tomoyuki Tanaka, Takahiro Matsuo, Hiroyuki Aikawa, Kazuhiro Wada | 2025-09-02 |
| 12253118 | Hydraulic clutch and work-vehicle travel power transmission apparatus including the hydraulic clutch | Hidetoshi Hana, Atsushi Jinnai, Ryoma Iwase, Yosui Nishijima, Naoyuki Miyamoto | 2025-03-18 |
| 12247630 | Hydraulic clutch, travel power transmission device, and work vehicle | Atsushi Jinnai, Ryoma Iwase, Tomoyuki Tanaka, Yoshiki Fujiyama, Koki Date | 2025-03-11 |
| 12152661 | Work vehicle | Atsushi Jinnai, Ryoma Iwase, Tomoyuki Tanaka, Takahiro Matsuo, Hiroyuki Aikawa +5 more | 2024-11-26 |
| 12135075 | Work vehicle | Ryoma Iwase, Tomoyuki Tanaka, Takahiro Matsuo, Hiroyuki Aikawa | 2024-11-05 |
| 12018737 | Continuously variable powertrain device for work vehicle and work vehicle including the same | Tetsuo Yamaguchi, Ryoma Iwase | 2024-06-25 |
| 12017528 | Traveling transmission device of tractor | Ryoma Iwase, Tomoyuki Tanaka, Takahiro Matsuo, Hidetoshi Hana | 2024-06-25 |
| 11994201 | Power transmission device for work vehicle | Atsuro HAYAMI, Hiroyuki Sadamoto, Keitaro Morinaga, Kazuhiro Wada, Rikuto Araki +4 more | 2024-05-28 |
| 11718173 | Traveling transmission device of tractor | Ryoma Iwase, Tomoyuki Tanaka, Takahiro Matsuo, Hidetoshi Hana | 2023-08-08 |
| 11592082 | Work vehicle transmission and work vehicle having the same | Hidetoshi Hana, Noriaki Takewa, Satoshi Yoshikawa, Kazuya Maeda | 2023-02-28 |
| 11408486 | Planetary gear device and compound planetary gear device | Ryoma Iwase, Tomoyuki Tanaka, Takahiro Matsuo | 2022-08-09 |
| 11261951 | Shift power transmission apparatus of a tractor and tractor | Hidetoshi Hana, Ryoma Iwase | 2022-03-01 |
| 10935109 | Work vehicle transmission and work vehicle having the same | Hidetoshi Hana, Noriaki Takewa, Satoshi Yoshikawa, Kazuya Maeda | 2021-03-02 |