Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7500360 | Hydraulic driving system of construction machinery | Tsutomu Udagawa, Kazuo Takiguchi, Masami Ochiai, Takashi Yagyuu, Mitsuo Aihara | 2009-03-10 |
| 7175155 | Control valve apparatus and pressure circuit | Kazuo Takiguchi, Masami Ochiai, Tsutomu Udagawa, Katsumi Ueno, Takashi Yagyu +1 more | 2007-02-13 |
| 6122598 | Measurement and display of load of excavating blasted ground | Yasuo Tanaka, Yutaka Watanabe, Yoshinori Furuno, Takashi Yagyu | 2000-09-19 |
| 6055851 | Apparatus for diagnosing failure of hydraulic pump for work machine | Yasuo Tanaka, Masami Ochiai, Takashi Yagyu, Akira Hashimoto, Yoshinori Furuno +1 more | 2000-05-02 |
| 5995886 | System for estimating residual service time of work vehicle | Yasuo Tanaka, Yoshinori Furuno, Yutaka Watanabe, Takashi Yagyu | 1999-11-30 |