Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D688713 | Upper rotating body for an excavator | Hideki Seino, Yasuyuki Oyamada, Masao Nagata, Mineaki Ogata, Takaaki Kuroda | 2013-08-27 |
| D685394 | Excavator | Masao Nagata, Yasuyuki Oyamada, Hideki Seino, Mineaki Ogata, Takaaki Kuroda | 2013-07-02 |
| 6729831 | Extremely-small-swing working machine | Hiroyuki Ohtsuki, Kazuya Hokimoto, Mineaki Ogata, Hisaji Amanuma, Yasuyuki Oyamada | 2004-05-04 |
| 6290009 | Swivel working vehicle | Masami Kondo, Hajime Setoguchi, Katashi Tanaka | 2001-09-18 |