Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6892481 | Joystick device | Hideyasu Muraoka | 2005-05-17 |
| 6868671 | Hydraulic circuit for a crane | Masaaki Ehara, Katsuki Yamagata, Taisuke Tsunoo, Takahiro Kobayashi, Noboru Ito | 2005-03-22 |
| D462685 | Joystick control actuator | Hideyasu Muraoka, Toshio Akashi | 2002-09-10 |
| 6142176 | Relief valve | Toyoaki Sagawa, Masahiro Matsuo | 2000-11-07 |
| 4968487 | Heat fumigation apparatus | Shinobu Yamamoto, Kunihiro Okada, Yoshihiro Hirobe, Satoshi Ohi, Shiro Oyama +1 more | 1990-11-06 |