Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Driving system for driving AC motor

Driving system for driving AC motor

US Patent 6492790 · Granted Dec 10, 2002

Estimated economic value: $102,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Elevator and control method for elevator2025
Control apparatus and method for linear synchronous motor2011
Elevator group supervisory control system with route preparation section2010
Elevator group supervisory control system using target route preparation2010
Method, system, and display for elevator allocation using multi-dimensional coor2009
Power supply and power supply method upon interruption of electric service2009
Elevator group supervisory control system2008
Apparatus, method or system for controlling mobile body2007
Light receiving element, light detector with built-in circuitry and optical pick2005
Power converter2004
Semiconductor electric power conversion device2002
Semiconductor electric power conversion device2002