Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8927843 | Head fixing mechanism of drum | Masaki Nezu | 2015-01-06 |
| 7699568 | Screw attachment, fastening assembly having screw attachment, and process of releasing fastening assembly | Kazuo Sugiyama, Kazunari Yoshida, Yu Kagami, Hideo Takaara, Yoshio Shindoh +1 more | 2010-04-20 |