Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10907323 | Hydraulic drive device for working machine | Yoshifumi Takimoto, Chinori Iio, Jun-ichi Okamura, Hiromasa Takahashi | 2021-02-02 |
| 10443746 | Pressure reducing valve unit | Jun-ichi Okamura, Takeshi Kobayashi, Mitsuhiro Yoshimoto, Masakazu Andou, Yoshifumi Takimoto | 2019-10-15 |
| 8585156 | Travel control device for work vehicle and work vehicle | Tsutomu Udagawa, Eiji Egawa, Tsukasa Toyooka, Makoto Sugaya, Hideo Sorata +3 more | 2013-11-19 |
| 7712565 | HST travel system for working machine | Tsutomu Udagawa, Eiji Egawa, Akira Nakayama, Tsukasa Toyooka, Makoto Sugaya +1 more | 2010-05-11 |
| 7500360 | Hydraulic driving system of construction machinery | Tsutomu Udagawa, Masami Ochiai, Takashi Yagyuu, Yukihiko Sugiyama, Mitsuo Aihara | 2009-03-10 |
| 7175155 | Control valve apparatus and pressure circuit | Masami Ochiai, Tsutomu Udagawa, Katsumi Ueno, Takashi Yagyu, Yukihiko Sugiyama +1 more | 2007-02-13 |
| 4251425 | Polycarbonate resin composition | Osamu Ohara | 1981-02-17 |