Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9701000 | Impact rotation tool and impact rotation tool attachment | Fumiaki Sekino, Kenichirou Inagaki, Tadashi Arimura, Ryuji Otani, Mitsumasa Mizuno | 2017-07-11 |
| 9687972 | Impact rotation tool | Fumiaki Sekino, Tadashi Arimura, Kenichirou Inagaki | 2017-06-27 |
| 9579776 | Electric power tool | Tadashi Arimura, Hiroyuki Kaizo, Fumiaki Sekino, Kenichirou Inagaki | 2017-02-28 |
| 9472969 | Adapter and electric power tool | Hiroyuki Kaizo, Tadashi Arimura | 2016-10-18 |
| 9427852 | Rotary impact tool | Mitsumasa Mizuno | 2016-08-30 |
| 9270211 | Electric power tool | Hiroyuki Kaizo, Tadashi Arimura | 2016-02-23 |
| 9178380 | Charger apparatus capable of determining deterioration of second battery | Akira Kawai, Masaki Ikeda, Masaaki Sakaue | 2015-11-03 |
| 9089956 | Impact power tool | Tadashi Arimura, Mitsumasa Mizuno, Masaaki Sakaue | 2015-07-28 |
| 9088239 | Voltage increasing control circuit and power tool | Hiroyuki Kaizo, Tadashi Arimura | 2015-07-21 |
| 7843165 | Charging apparatus | Masaaki Sakaue | 2010-11-30 |
| 7692408 | Charging device and rechargeable power tool set | Hiroshi Miyazaki, Masatoshi Ito | 2010-04-06 |
| 7659692 | Rechargeable battery pack for a power tool having an interruptor for prevention of overcharging | Yoshinori Sainomoto, Hiroshi Miyazaki | 2010-02-09 |
| 7652442 | Electric tool switch mechanism | Hiroshi Miyazaki | 2010-01-26 |
| 7633268 | Charging apparatus | Masaaki Sakaue | 2009-12-15 |
| 7612525 | Electrical apparatus | Masatoshi Ito, Hiroshi Miyazaki, Akira Kawai | 2009-11-03 |
| 7570017 | Rechargeable battery pack for a power tool including over-discharge protection | Yoshinori Sainomoto, Hiroshi Miyazaki | 2009-08-04 |
| 7419013 | Rotary impact tool | Yoshinori Sainomoto, Tatsuhiko Matsumoto, Tadashi Arimura, Hidenori Shimizu, Fumiaki Sawano | 2008-09-02 |
| 7161326 | Battery-powered electrical device having a detachable battery pack | Atsumasa Kubota | 2007-01-09 |
| 7155986 | Power fastening tool | Kozo Kawai, Yoshinori Sainomoto, Tatsuhiko Matsumoto, Tadashi Arimura, Hiroshi Miyazaki +2 more | 2007-01-02 |
| 6945337 | Power impact tool | Kozo Kawai, Yoshinori Sainomoto, Tatsuhiko Matsumoto, Tadashi Arimura, Hiroshi Miyazaki +2 more | 2005-09-20 |
| 6342773 | Charger | Masaaki Sakaue, Kazuhiro Suzuki | 2002-01-29 |
| 6339312 | Charger | Masaaki Sakaue, Kazuhiro Suzuki | 2002-01-15 |
| 6218807 | Charger | Masaaki Sakaue, Kazuhiro Suzuki | 2001-04-17 |
| 5083067 | Driving circuit for brushless motor | Koji Soushin, Hiroaki Koshin, Shinichi Okamoto | 1992-01-21 |