Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6182448 | Speed changing device for hydraulic driving apparatus and speed change control method thereof | Yasunori Ohkura, Hikosaburo Hiraki, Noboru Kanayama | 2001-02-06 |
| 5784883 | Method of controlling speed change of hydraulic drive device for vehicle and speed change device | Yasunori Ohkura, Hikosaburo Hiraki, Noboru Kanayama | 1998-07-28 |