Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7958693 | Boom for excavation machine | Yasuyuki Oyamada, Keiichi Nishihara, Takahiro Ikeda, Takafumi Nobayashi, Masao Nagata +1 more | 2011-06-14 |
| 7874392 | Excavating machine | Takafumi Nobayashi, Yasuyuki Oyamada, Takahiro Ikeda, Keiichi Nishihara, Masao Nagata +1 more | 2011-01-25 |
| 7857083 | Excavation machine | Yasuyuki Oyamada, Keiichi Nishihara, Takahiro Ikeda, Takafumi Nobayashi, Masao Nagata +1 more | 2010-12-28 |
| D594883 | Power shovel | Takahiro Ikeda, Takafumi Nobayashi, Keiichi Nishihara, Masao Nagata | 2009-06-23 |