Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6523905 | Crawler carrier having an engine, a hydraulic pump and a heat exchanger positioned in a lateral direction | Seiji Tamura, Kiyoshi Hirasawa, Tsuyoshi Takayama, Yoshinori Sendai | 2003-02-25 |
| 6105707 | Tired Roller | Seiji Tamura, Tsuyoshi Takayama | 2000-08-22 |
| 6101437 | Operation control device for three-joint excavator | Mitsuo Sonoda, Eiji Egawa, Junji Tsumura | 2000-08-08 |
| 6079131 | Operation control device for three-joint type excavator | Mitsuo Sonoda, Eiji Egawa, Junji Tsumura | 2000-06-27 |
| 5535587 | Hydraulic drive system | Hirohisa Tanaka, Takashi Kanai, Atsushi Tanaka | 1996-07-16 |
| 5203168 | Hydraulic driving circuit with motor displacement limitation control | Takashi Kanai, Mitsuo Sonoda | 1993-04-20 |
| 5191504 | Control apparatus for electromagnetic device having proportional solenoid | Junichi Narisawa | 1993-03-02 |
| 5048294 | Safety device for hydraulic closed circuit | Takashi Kanai, Masami Ochiai, Koji Nozaki | 1991-09-17 |
| 5003776 | Hydraulic drive system | Takashi Kanai, Masami Ochiai, Mitsuo Sonoda | 1991-04-02 |
| 4846046 | Hydraulic drive circuit system | Takashi Kanai, Masami Ochiai, Mitsuo Sonoda, Koji Nozaki | 1989-07-11 |