Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6557648 | Operation mode switching mechanism for a hammer drill | Shinichirou Satou, Akira Teranishi, Yukio Terunuma | 2003-05-06 |
| 6035945 | Operating mode switching apparatus for a hammer drill | Yukio Terunuma | 2000-03-14 |