Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11592340 | Circuit device and temperature detection system | Shinya Nakano, Yoshitaka Ishikawa, Kenji Koizumi, Chikara Ohmori | 2023-02-28 |
| 11056886 | Power storage system | Masaki Kato, Masaaki Kuranuki, Jun Yamasaki, Yohei Ishii, Koichi Sawada | 2021-07-06 |
| 10882404 | Earth fault detecting device, and electricity storage system | — | 2021-01-05 |
| 8884588 | Battery warming circuit and battery warming apparatus | Etsushi Aga | 2014-11-11 |
| 8878543 | Vehicular insulation resistance detection apparatus | — | 2014-11-04 |
| 8364324 | Energy management system | Yuko Maeda, Akiko Takamiya | 2013-01-29 |
| 8350531 | Secondary battery charge control method and charge control circuit | Toshihiro Inoue | 2013-01-08 |
| 8212389 | Relay driving circuit and battery pack using same | — | 2012-07-03 |
| 8062785 | Battery module and battery pack using the same | Daisuke Kishii, Shunsuke Yasui, Toshiki Itoi, Shinya Geshi | 2011-11-22 |
| 7592774 | Voltage measurement apparatus and electrically-driven tool | — | 2009-09-22 |
| 7560935 | Ground-fault resistance measurement circuit and ground-fault detection circuit | — | 2009-07-14 |
| 7535199 | Battery pack | Tadao Kimura, So Kuranaka | 2009-05-19 |
| 6828798 | Method for inspecting relay contacts for contact weld in battery power source device | — | 2004-12-07 |
| 6664761 | Battery voltage detection device | Hirofumi Yudahira | 2003-12-16 |
| 6639408 | Battery voltage measurement device | Hirofumi Yudahira, Ichiro Maki | 2003-10-28 |
| 6639409 | Battery voltage measurement device | Ichiro Maki, Hirofumi Yudahira | 2003-10-28 |
| 6621273 | Voltage measurement apparatus | Masahiro Takada | 2003-09-16 |
| 6603287 | Device for determining physical quantity of battery pack | Ichiro Maki | 2003-08-05 |
| 6369584 | Signal correction apparatus and signal correction method | Ichiro Maki, Masahiro Takada | 2002-04-09 |