Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8439409 | Door unit | Ryoji Uto | 2013-05-14 |
| 8413382 | Hinge and door unit | Ryoji Uto, Keitaro Yokogawa, Takahiro Goto | 2013-04-09 |
| 8186131 | Door panel | Ryoji Uto | 2012-05-29 |
| 6901903 | Cover structure for construction machine cooling package | Norio Nakajima, Naotaka Dohke, Akitoshi Nishikawa, Tsuyoshi Doi, Kazuaki Takano +2 more | 2005-06-07 |