Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D499945 | Impact driver | Takashi Ozawa, Yasuo Etou | 2004-12-21 |
| D496843 | Portable electric driver drill | Yasuo Etou, Takashi Ueda | 2004-10-05 |
| D482254 | Portable electric drill | Hitoshi Tsuzuki, Kenji Kataoka | 2003-11-18 |