Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9309644 | Construction machine | Kazuhiko Hiraoka | 2016-04-12 |
| 9181675 | Construction machine | Yukihiro Tatsuno, Hidefumi Hiramatsu | 2015-11-10 |
| 9016418 | Construction machine | Kakurou Ootsuka, Hidefumi Hiramatsu | 2015-04-28 |
| D693857 | Cover for construction machine | Kazuhiko Hiraoka, Yukihiro Tatsuno, Hidefumi Hiramatsu | 2013-11-19 |
| D692028 | Hydraulic excavator | Kazuhiko Hiraoka, Yukihiro Tatsuno, Hidefumi Hiramatsu | 2013-10-22 |