Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6530741 | Self propelled vehicle with a loader | Masami Hirooka, Koichi Kawaguchi | 2003-03-11 |
| 6035941 | Tractor with a front loader | Masami Hirooka | 2000-03-14 |
| 4966518 | Apparatus for controlling posture of front loader | Masami Hirooka | 1990-10-30 |
| 4917565 | Apparatus for controlling posture of front loader | — | 1990-04-17 |
| 4802814 | Device for attaching front loader to tractor | Keiichi Masuda, Masami Hirooka, Yoshio Tomiyama, Kazunori Yoshiuchi, Takashi Gokenya | 1989-02-07 |