Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7134518 | Construction machine | Seigo Arai, Takashi Tsukiana, Koichi Yamashita, Kazuhiro Ueda | 2006-11-14 |
| 6073594 | Cooling apparatus for construction machine | Takashi Tsukiana, Akihiko Eita, Kazuyuki Saki, Keiji Fujioka | 2000-06-13 |
| 6032620 | Air intake structure in a construction machine | Takashi Tsukiana, Kazuyuki Saki, Koichi Yamashita, Keiji Fujioka | 2000-03-07 |