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

Icon_funbox Celebrity Inventors

Actress Jamie Lee Curtis is a patented inventor - she created a diaper equipped with a premoistened baby wipe. And that's no act!

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Inventor: Chiaki Fujimoto


Address: Tokyo, JP
No. of applications: 8
Last application issue date: 03/11/2010

Application No.Application TitleIssue Date
20100060222ELECTRIC MOTOR CONTROL APPARATUS
An electric motor control apparatus that can quickly and accurately locate a short-circuit fault point. The electric motor control apparatus includes: a current controller determining respective phase voltage commands according to currents flowing in respective phases o...
03/11/2010
20090084616ELECTRIC POWER STEERING DEVICE
An electric power steering apparatus in which, when an abnormality is generated in an electric power steering apparatus, an assist is reduced smaller than normal when a steering burden is estimated to be small; and the assist can be increased to normal and the steering ...
04/02/2009
20090021207ELECTRIC MOTOR CONTROL APPARATUS
A control apparatus for a multiphase AC electric motor having an inverter includes a current control including an abnormal-state current controller; an abnormal-state detector that detects an abnormal state of any of a wire of an electric motor, a wire of an inverter, a...
01/22/2009
20070176577Motor controller
A control apparatus for an electric motor, in which a current controller giving multiphase voltage commands to a drive circuit for an inverter includes a normal-mode current controller for use in a normal mode, an abnormal-mode current controller for use in an abnormal ...
08/02/2007
20050269150Electric power steering unit
An electric power steering unit includes: a steering mechanism for steering a wheel under the torque of a steering wheel; a motor for adding a steering assist power to the steering mechanism; a controller for controlling current to be conducted through the motor in acco...
12/08/2005
20050189897Motor-driven power steering control apparatus
A motor-driven power steering control apparatus assuring consistently comfortable steering operation of a motor vehicle includes a steering state detecting means (10), a motor drive command value arithmetic means (20), a trouble detecting means (40)...
09/01/2005
20050162113Motor control apparatus
A motor control apparatus capable of protecting a motor from overheat while changing smoothly a motor output characteristic as a function of time lapse and mitigating overhead involved in arithmetic operation includes a current command value generator for generating cur...
07/28/2005
20050072622Motor-driven power steering control apparatus
A motor-driven power steering control apparatus assuring consistently comfortable steering operation of a motor vehicle includes a steering state detecting means (10), a motor drive command value arithmetic means (20), a trouble detecting means (40)...
04/07/2005
 
Sign InRegister
Username  
Password   
forgot password?