Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11728669 | Charger | Masaya Mizutani | 2023-08-15 |
| 11411408 | Charging system, battery pack, and charger | Yoshihiro Ishikawa | 2022-08-09 |
| 11283268 | Charger, charging system, and method for controlling charge current | Masaya Mizutani, Makoto Ito | 2022-03-22 |
| 10483776 | Charger | Junichi Murakami, Masaya Mizutani | 2019-11-19 |
| 9466860 | Battery pack | Masafumi Noda, Takayoshi Endo | 2016-10-11 |
| 9250861 | Random number generating device | — | 2016-02-02 |
| 9203249 | Battery pack for electric power tool, control circuit, and program | Masafumi Noda, Hitoshi Suzuki | 2015-12-01 |
| 9186787 | Internal temperature estimation unit for battery for electric power tool, and apparatus for electric power tool | Masafumi Noda, Tadahiko Kobayakawa | 2015-11-17 |
| 9083184 | Battery pack for electric power tool, and battery connection device | Masafumi Noda | 2015-07-14 |
| 9077054 | Battery pack for electric power tool with reduced difference in voltages of multiple cells constituting battery | Hiroshi Hanai, Toru Yamada, Masafumi Noda, Takayoshi Endo | 2015-07-07 |
| 8940427 | Rechargeable battery pack | Masafumi Noda, Hitoshi Suzuki | 2015-01-27 |
| 8885307 | Heat generation amount estimation unit for battery for electric power tool, and apparatus for electric power tool | Tadahiko Kobayakawa, Masaaki Fukumoto | 2014-11-11 |
| 7030590 | Apparatus for refreshing batteries | Kazuyuki Sakakibara, Tomoo Muramatsu | 2006-04-18 |
| 6783886 | Battery pack with an improved cooling structure | Kazuyuki Sakakibara, Youichi Kato | 2004-08-31 |