Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4768339 | Hydraulic drive system | Yukio Aoyagi, Keiichiro Uno, Tomohiko Yasuda | 1988-09-06 |
| 4627013 | Load weight indicating system for load moving machine | Yukio Aoyagi, Tomohiko Yasuda | 1986-12-02 |
| 4565221 | Control valve assembly | Kunihiko Yoshida, Eiki Izumi | 1986-01-21 |
| 4464898 | Hydraulic power system | Yukio Aoyagi, Yasuhiko Murata | 1984-08-14 |