Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7380376 | Non-slip structure | Shunji Ohno, Norio Nakajima, Masanori Tsuji, Tsuyoshi Doi, Yoshihisa Kohzu +3 more | 2008-06-03 |
| 7162839 | Non-slip material | Shunji Ohno, Norio Nakajima, Masanori Tsuji, Tsuyoshi Doi, Yoshihisa Kouzu +3 more | 2007-01-16 |
| 7021109 | Method and apparatus for manufacturing slip stopper | Shunji Ohno, Norio Nakajima, Masanori Tsuji, Tsuyoshi Doi, Yoshihisa Kouzu +2 more | 2006-04-04 |
| 6601324 | Construction machine | Masanori Tsuji, Yuichiro Yamauchi, Takahiro Goto | 2003-08-05 |