Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9748534 | Electric tool and battery pack for the electric tool | Hiroyuki Hanawa, Shota Takeuchi, Yoshihiro Nakano, Itsushi Ogawa | 2017-08-29 |
| 8684106 | Battery pack and motor-driven tool using the same | Hiroyuki Hanawa, Keita Saitou | 2014-04-01 |
| 8198835 | Cordless power tool and battery device used for same | Kazuhiko Funabashi, Katsuhiro Oomori | 2012-06-12 |
| 7807293 | Battery pack and motor-driven tool using the same | Hiroyuki Hanawa, Keita Saitou | 2010-10-05 |