Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7958657 | Fixing structure of work machine | Kunihiko Sakamoto, Yasuo Tokieda, Hayato Tsuji | 2011-06-14 |
| 7712235 | Lock device of work machine | Seiji Sakada, Yousuke Yamashita, Kouichi Takata, Hayato Tsuji | 2010-05-11 |