Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12200880 | Arc resistant system and method for ventilation of electrical equipment | Walter Campos, Enrique Martinez | 2025-01-14 |
| 8760896 | Multilevel regeneration drive system | Toshiaki Oka, John D. Kleinecke | 2014-06-24 |
| 8427173 | Open fuse detection by neutral point shift | Toshiaki Oka | 2013-04-23 |
| 8248828 | Medium voltage inverter system | Takashi Morishita, Toshiaki Oka | 2012-08-21 |
| 7880343 | Drive isolation transformer controller and method | John D. Kleinecke | 2011-02-01 |
| 7876586 | Multi-pulse rectifier for AC drive systems having separate DC bus per output phase and multiple isolation transformers | John D. Kleinecke, Takashi Morishita | 2011-01-25 |