Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9242589 | Dump truck body hoisting state display device | Yudai Itai, Toshikazu Minoshima, Takanobu Ikari, Takao Kurosawa | 2016-01-26 |
| 9174562 | Transport vehicle | Hironori Uozu, Yohei Nakate | 2015-11-03 |
| 8376476 | Brake system in electric drive dump truck | Jun Ikeda, Tomohiko Yasuda, Yutaka Watanabe | 2013-02-19 |
| 8265849 | Drive system for electrically driven dump truck | Yasuo Tanaka, Tomohiko Yasuda, Yutaka Watanabe | 2012-09-11 |
| 8249765 | Drive system for electrically driven dump truck | Yasuo Tanaka, Yutaka Watanabe, Kichio Nakajima, Tomohiko Yasuda | 2012-08-21 |
| 8104842 | Transporter vehicle | Michio Fushiki, Hajimu Kozawa, Takayoshi Murahashi, Takashi Tateyama | 2012-01-31 |
| 8033614 | Transporter vehicle | Yoshifumi Nabeshima, Takashi Sasaki, Toshikazu Minoshima | 2011-10-11 |
| 7863837 | Drive system for electrically driven dump truck | Yasuo Tanaka, Tomohiko Yasuda, Yutaka Watanabe | 2011-01-04 |
| 7841434 | Electric drive system for vehicle, electric control system for vehicle, electric drive method for vehicle | Keizo Shimada, Yasuhiro Kiyofuji, Naoshi Sugawara, Kazuhiro Imaie, Shintarou Oku | 2010-11-30 |
| 7797935 | Hydraulic drive device for dump truck | Tomohiko Yasuda, Yasuo Tanaka, Michio Fushiki, Satoru Kaneko | 2010-09-21 |
| 7740323 | Hydraulic drive device for vertical pivoting movement of load carrying platform | Satoru Kaneko, Tomohiko Yasuda, Yasuo Tanaka, Michio Fushiki | 2010-06-22 |
| 7315144 | AC drive apparatus, vehicle control apparatus, and power conversion method and vehicle control method | Kazuhiro Imaie, Keizo Shimada, Yasuhiro Kiyofuji, Naoshi Sugawara | 2008-01-01 |
| 7175155 | Control valve apparatus and pressure circuit | Kazuo Takiguchi, Masami Ochiai, Tsutomu Udagawa, Katsumi Ueno, Yukihiko Sugiyama +1 more | 2007-02-13 |
| 6122598 | Measurement and display of load of excavating blasted ground | Yasuo Tanaka, Yutaka Watanabe, Yoshinori Furuno, Yukihiko Sugiyama | 2000-09-19 |
| 6055851 | Apparatus for diagnosing failure of hydraulic pump for work machine | Yasuo Tanaka, Masami Ochiai, Akira Hashimoto, Yoshinori Furuno, Yutaka Watanabe +1 more | 2000-05-02 |
| 5995886 | System for estimating residual service time of work vehicle | Yasuo Tanaka, Yoshinori Furuno, Yutaka Watanabe, Yukihiko Sugiyama | 1999-11-30 |
| 5081905 | Hydraulic pilot operation circuit and valve for quickly discharging oil | Soutarou Tanaka, Kimio Katsuki | 1992-01-21 |
| 4534268 | Hydraulic fluid circuit of hydraulic shovel | Takeshi Yamaguchi, Sotaro Tanaka, Yasuo Sakaki | 1985-08-13 |
| 4504185 | Hydraulic circuit of hydraulic power shovel | Takeshi Yamaguchi, Sotaro Tanaka, Yasuo Sakaki | 1985-03-12 |