Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8006991 | Construction machine | Koji Yonezawa | 2011-08-30 |
| 7874390 | Working machine | Koji Yonezawa | 2011-01-25 |
| 7841314 | Cooling structure of construction machine | Hajime Nakashima, Yasumasa Kimura, Shinichi Kinoshita | 2010-11-30 |
| 7833300 | Mounting structure of filter for cooler of construction | Koji Yonezawa | 2010-11-16 |