Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7452022 | Front portion structure for vehicle | Katsuhiko Sato, Shoichi Sakai, Katsuhiro Watanabe | 2008-11-18 |
| 4591303 | Drilling tool | Yoshihiro Sato, Kenichi Sasaki, Hideo Tsuzaka | 1986-05-27 |