Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7383893 | Electric hammer drill | Junichi Iwakami | 2008-06-10 |
| 7322427 | Power impact tool | Yoshihiro Kasuya, Masanori Furusawa | 2008-01-29 |
| 6566005 | Battery pack with an improved cooling structure | Junichi Masuda, Shingo Umemura, Kazuyuki Sakakibara | 2003-05-20 |
| 6192996 | Mode changing mechanism for use in a hammer drill | Takahiro Sakaguchi | 2001-02-27 |
| 5709391 | Bit mounting device | Takuo Arakawa, Eiichi Futamura | 1998-01-20 |