U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Examiner: Ro, Bentsu


Primary examiner statistics: 3242 patents; average approval time: 3240 days
Assistant examiner statistics: 414 patents; average approval time: 595 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
8115431 Inverter control apparatus and motor drive system
8115432 Triphase rotating electrical machine
8115434 High-speed self-cascaded electric machine
8111027 Motor drive device
8111028 Integrated fan drive system for cooling tower
8106614 Mirror adjustment mechanism, wing mirror unit and method
8106610 Heat dissipation device and fan module thereof
8106613 Brushless motor drive
8102136 Simultaneous zero verification for motors in a printing press
8098032 Control system for multiphase rotary machines
8098031 Active brake unit
8093852 Motor control device
8093849 Closure panel control apparatus
8089240 Motor and method for starting the same
8084981 Rechargeable electric power tool
8084970 Electrical machine and method of controlling the same
8084971 Motor drive circuit and disc device using the same
8080966 Motor control architecture for simultaneously controlling multipl...
8080964 Neural network and method for estimating regions of motor operati...
8080960 Direct flux regulated permanent magnet brushless motor utilizing ...
8080958 Power conversion device
8076893 Displacement actuation and sensing for an electrostatic drive
8076898 Method of brushless DC motor control and its application
8076883 Drive system and method for operating a drive system for an elect...
8076887 Wiper controller
8072176 Displacement sensing method and motor control apparatus
8072170 Motor controller of air conditioner
8072172 Redundant electromechanical actuator for control surfaces
8072179 Electronic starter device for an electric motor, in particular fo...
8072177 Stepping motor driver
8063589 Drive system for multiple motors
8063598 Synchronous motor, encoderless motor system and a method for oper...
8063592 Wireless communication system for a roll-up door
8063602 Stochastic anti-windup proportional-integral (PI) controller
8063595 Location system and method
8063596 Apparatus for carrying out improved control of rotary machine
8058831 Control device and control method
8058823 Actuator system with a multi-motor assembly for extending and fle...
8054016 Retarding energy calculator for an electric drive machine
8054026 Short circuit phase identification method

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
4739231 Image forming system
4723100 Brushless motor with a rotor pole position detector associated wi...
4717864 Speed control method and apparatus for electronically commutated ...
4716348 DC motor adaptive controller
4713590 Control circuit for DC brushless motor producing constant output ...
4713591 Control and drive arrangement for movable members
4712053 Servo control for motor having cutoff device for preventing motor...
4710644 Replaceable deep anode system
4710684 Drive circuit for brushless DC motors
4710686 Method and apparatus for control of current in a motor winding
4709196 Power window device with safety detector and control override
4709194 Method of controlling the mode of driving electric vehicles
4705994 Electric equipment driving circuit
4705995 Control circuit for airless spray gun
4704567 Brushless D.C. motor having alternating wider and narrower pole s...
4704566 Self-starting disk-type brushless motor with screw projection for...
4703237 Rain sensor
4703236 Brushless d.c. motor
4703235 Brushless DC motor
4701683 Inverter circuit for converting DC power to pulse wave power
4701682 Control system for maintaining traction of rolling stock
4701681 Starting device for a toy motor using an ultrasonic wave signal
4700116 System for controlling brushless DC motor
4700115 Method of starting an electronically commutated direct-current mo...
4698563 Semiconductor electric motor having a rotary transformer to excit...
4698564 Spinning optics device
4698567 Ribbon deck motor control
4698568 Antiexplosion structure in a working robot
4698565 Hoist with overload safety protection
4698561 Use of SCR's in extended retarding
4698560 Adjusting device, especially for locking and unlocking motor vehi...
4697125 Method and apparatus for determining shaft position and for provi...
4697124 Integral series parallel and power brake controller for a transit...
4695739 Multi-function switch-controlled lamp circuit
4695781 Digital time interval measuring apparatus
4695776 Power converter for an electrically-compensated constant speed dr...
4694227 Current sharing circuit
4692671 Electrically-compensated constant speed drive
4692675 Control and energization circuit for a brushless d-c motor
4692677 Windshield wiper system
 
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