Hitachi
Japan
6
2011-01-27
The entities that hold a legal rights for patent applications filed by inventor MAEDA Daisuke:
Daisuke MAEDA from Hitachi, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Apparatus and method for driving synchronous motor
#2 | 2008-09-18Semiconductor device for driving motor, three-phase motor and motor driving apparatus with the semiconductor device and fan motor
#3 | 2008-08-28Apparatus and method for driving synchronous motor
#4 | 2008-02-28Vector controller for a permanent magnet motor and inverter module
#5 | 2007-04-19Field weakening vector controller for permanent magnet synchronous motor and control module
#6 | 2007-02-01Motor controller, washing machine, air conditioner and electric oil pump
3330380 ⎘