Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7535144 | Structure for retaining magnets relative to stator in electric tool | Kenichi Ohta | 2009-05-19 |
| 7388312 | Power tool | Nobuyasu Furui, Kenichi Ota | 2008-06-17 |
| 6325157 | Striking tool with an improved cooling mechanism | Takuo Arakawa | 2001-12-04 |
| 6066938 | Charging system including a charger and an electric power tool operating on an internal battery unit | Manabu Sugimoto, Shin-ichi Nakane, Shingo Umemura, Kazuyoshi Horikawa | 2000-05-23 |