Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12191684 | Technique for controlling discharge from battery pack | Hayato KANO, Yoshitaka Ichikawa | 2025-01-07 |
| 11980335 | Rechargeable cleaner | Ryuji Mitsui, Takuya Umemura, Toru Yamada, Mamoru Sakai | 2024-05-14 |
| 11979049 | Electric work machine | Yoshitaka Ichikawa | 2024-05-07 |
| 11925307 | Rechargeable cleaner having body controller | Ryuji Mitsui, Takuya Umemura, Toru Yamada, Mamoru Sakai | 2024-03-12 |
| 11876190 | Battery pack and method of protecting battery pack | Hiroki UESUGI, Hayato KANO | 2024-01-16 |
| 10855089 | Charging control device for suitably performing charging regardless of charger type | Junichi Katayama | 2020-12-01 |
| 10418826 | Battery device and charging device | Junichi Katayama, Masafumi Noda | 2019-09-17 |
| 10222424 | Charge control device, battery pack, and charger capable of setting limits of charging characteristics | Takuya Umemura, Hitoshi Suzuki | 2019-03-05 |
| 9784795 | Charge control device, battery pack, and charger | Takuya Umemura, Hitoshi Suzuki | 2017-10-10 |
| 9778321 | Charge control device | Takuya Umemura, Hiroki UESUGI, Hiroshi Hanai | 2017-10-03 |
| 9356464 | Battery pack and battery charger that charges based on temperature | Miki Tomiyasu, Hiroshi Hanai | 2016-05-31 |
| 9341681 | Electrical device system and battery pack | Hitoshi Suzuki, Masaaki Fukumoto | 2016-05-17 |
| 9186787 | Internal temperature estimation unit for battery for electric power tool, and apparatus for electric power tool | Masafumi Noda, Hisakazu Okabayashi | 2015-11-17 |
| 8885307 | Heat generation amount estimation unit for battery for electric power tool, and apparatus for electric power tool | Hisakazu Okabayashi, Masaaki Fukumoto | 2014-11-11 |
| 8742724 | Battery pack for power tool, and power tool | Hitoshi Suzuki, Tomoo Muramatsu | 2014-06-03 |
| 8384349 | Monitoring system for electric power tool, battery pack for electric power tool, and battery charger for electric power tool | Hitoshi Suzuki, Tomoo Muramatsu | 2013-02-26 |
| 8330426 | Charging system for electric power tool, battery pack for electric power tool, and battery charger for electric power tool | Hitoshi Suzuki, Tomoo Muramatsu | 2012-12-11 |
| 8210273 | Electric power tool, tool body, and battery pack | Hitoshi Suzuki, Tomoo Muramatsu | 2012-07-03 |