Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7380376 | Non-slip structure | Shunji Ohno, Norio Nakajima, Kazumichi Iwasa, Masanori Tsuji, Yoshihisa Kohzu +3 more | 2008-06-03 |
| 7162839 | Non-slip material | Shunji Ohno, Kazumichi Iwasa, Norio Nakajima, Masanori Tsuji, Yoshihisa Kouzu +3 more | 2007-01-16 |
| 7021109 | Method and apparatus for manufacturing slip stopper | Shunji Ohno, Kazumichi Iwasa, Norio Nakajima, Masanori Tsuji, Yoshihisa Kouzu +2 more | 2006-04-04 |
| 6901903 | Cover structure for construction machine cooling package | Norio Nakajima, Naotaka Dohke, Akitoshi Nishikawa, Kazuaki Takano, Yuki Takemoto +2 more | 2005-06-07 |