Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12266966 | Battery module and energy storage system including the same | — | 2025-04-01 |
| 10205327 | Battery system and energy storage system including distribution controller for selecting battery banks for charging/discharging | — | 2019-02-12 |
| 10128656 | Power assist unit and power assist system | Toshiki Tatsuta, Makoto YATSU, Tetsuhiro Ishikawa | 2018-11-13 |
| 9214815 | Power supply system including a battery, a DC/DC converter, and an inverter | — | 2015-12-15 |
| 8018746 | Parallel inverter system | — | 2011-09-13 |
| 7759822 | Uninterruptible power supply device with circuit for degradation judgment of storage battery | — | 2010-07-20 |
| 7612468 | Uninterruptible power supply device with circuit for degradation judgment of storage battery | — | 2009-11-03 |
| 7579714 | Uninterruptible power supply apparatus | — | 2009-08-25 |
| 7166931 | Uninterruptible power supply apparatus | Shouichi Oota, Naoya Nakamura | 2007-01-23 |
| 6891413 | Periodic signal controller | — | 2005-05-10 |
| 6556459 | Uninterruptible power supply and method of turning off AC switch for uninterruptible power supply | Minoru Yanagisawa | 2003-04-29 |
| 6445089 | Uninterruptible power system | — | 2002-09-03 |