Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9954521 | Gate drive circuit for semiconductor switching devices | — | 2018-04-24 |
| 9350266 | Power supply circuit for gate driving circuit of a power converter | — | 2016-05-24 |
| 9214878 | Multilevel power converter circuit | — | 2015-12-15 |
| 9214877 | Gate driving circuit having a fault detecting circuit for a semiconductor switching device | — | 2015-12-15 |
| 9136695 | Protection control system for a multilevel power conversion circuit | — | 2015-09-15 |
| 9136775 | Control method for multilevel power conversion circuit | — | 2015-09-15 |
| 9130476 | Power semiconductor device and power conversion system using the device | — | 2015-09-08 |
| 9106155 | Three-level power conversion circuit system | — | 2015-08-11 |
| 9106074 | Multilevel power converter | — | 2015-08-11 |
| 8901602 | Power semiconductor device and power conversion system using the device | Makoto YATSU | 2014-12-02 |
| 8724358 | Stacked structure of power conversion apparatus | — | 2014-05-13 |
| 8400100 | Electric power converter | Masakazu Gekinozu | 2013-03-19 |
| 8344677 | Power conversion equipment | — | 2013-01-01 |
| 8297389 | Load driving system and electric vehicle using the system | — | 2012-10-30 |
| 8300443 | Semiconductor module for use in power supply | — | 2012-10-30 |
| 6288595 | On-delay-compensating arm on-detection circuit | Masaki Hirakata, Seiki Igarashi | 2001-09-11 |
| 5926012 | Gate drive circuit in power converter with condition detection device | Manabu Takei | 1999-07-20 |