Mito
Japan
4
2010-12-30
The entities that hold a legal rights for patent applications filed by inventor TSUGAWA Dai:
Dai TSUGAWA from Mito, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
POWER CONVERTER FOR TRACTION CONTROL AND TRANSPORTATION SYSTEM
#2 | 2009-07-02CIRCUIT DEVICE HAVING A FREE WHEELING DIODE, CIRCUIT DEVICE AND POWER CONVERTER USING DIODES
#3 | 2008-10-23Circuit arrangement having a free-wheel diode
#4 | 2008-05-29Gate drive circuit with reduced switching loss and noise
3722226 ⎘