Tobari; Kazuaki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tobari; Kazuaki.The latest application filed is for "power conversion device".

Company Profile

5.45.43

Tobari; Kazuaki - Tokyo JP
Tobari; Kazuaki - Hitachiota JP
TOBARI; Kazuaki - Hitachiota-shi JP
Tobari; Kazuaki - Mito JP
Tobari; Kazuaki - Hitachi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Power conversion device Grant 11,437,944 - Tobari , et al. September 6, 2	2022-09-06
Power conversion apparatus Grant 11,424,707 - Tobari , et al. August 23, 2	2022-08-23
Induction motor overheat monitoring method, induction motor monitoring device, and induction motor control system Grant 11,303,236 - Zhou , et al. April 12, 2	2022-04-12
Power Conversion Device App 20220094291 - TOBARI; Kazuaki ; et al.	2022-03-24
AC electric motor control device Grant 11,273,712 - Iwaji , et al. March 15, 2	2022-03-15
Motor drive device, controller, and electric vehicle system Grant 11,239,784 - Nakao , et al. February 1, 2	2022-02-01
Motor drive system Grant 11,196,377 - Takaoka , et al. December 7, 2	2021-12-07
AC Electric Motor Control Device App 20210328537 - IWAJI; Yoshitaka ; et al.	2021-10-21
Power Conversion Device App 20210273591 - TOBARI; Kazuaki ; et al.	2021-09-02
Motor Drive Device, Controller, And Electric Vehicle System App 20210257946 - NAKAO; Noriya ; et al.	2021-08-19
Induction Motor Overheat Monitoring Method, Induction Motor Monitoring Device, And Induction Motor Control System App 20210152111 - ZHOU; Guangbin ; et al.	2021-05-20
Power Conversion Apparatus App 20210152113 - TOBARI; Kazuaki ; et al.	2021-05-20
Synchronous motor control apparatus Grant 10,903,767 - Hadinata , et al. January 26, 2	2021-01-26
Motor Drive System App 20200389117 - TAKAOKA; Midori ; et al.	2020-12-10
Synchronous Motor Control Apparatus App 20200052620 - HADINATA; Agnes ; et al.	2020-02-13
Motor control device and work machine using the same Grant 9,698,716 - Tobari , et al. July 4, 2	2017-07-04
Drive system for synchronous electrical motor Grant 8,884,575 - Takahata , et al. November 11, 2	2014-11-11
Synchronous motor drive system and synchronous motor Grant 8,878,480 - Iwaji , et al. November 4, 2	2014-11-04
Control apparatus for permanent magnet motor Grant 8,779,701 - Tobari , et al. July 15, 2	2014-07-15
Synchronous electric motor drive system Grant 8,766,575 - Iwaji , et al. July 1, 2	2014-07-01
Motor Control Device And Work Machine Using The Same App 20140176028 - Tobari; Kazuaki ; et al.	2014-06-26
Driving System For Synchronous Motor App 20140077738 - Iwaji; Yoshitaka ; et al.	2014-03-20
Drive System For Synchronous Electrical Motor App 20130272899 - TAKAHATA; Ryoichi ; et al.	2013-10-17
Synchronous Electric Motor Drive System App 20130243625 - Iwaji; Yoshitaka ; et al.	2013-09-19
Control apparatus and control method for AC electric motor Grant 8,531,148 - Sumita , et al. September 10, 2	2013-09-10
Control unit and control method for permanent magnet synchronous motor Grant 8,436,563 - Sumita , et al. May 7, 2	2013-05-07
Torque ripple suppression control device for permanent magnet motor and electric power steering system Grant 8,410,735 - Tobari , et al. April 2, 2	2013-04-02
Synchronous Motor Drive System and Synchronous Motor App 20130057193 - Iwaji; Yoshitaka ; et al.	2013-03-07
Speed controller of magnetic motor Grant 8,344,671 - Tobari , et al. January 1, 2	2013-01-01
Torque controller for permanent magnet synchronous motor Grant 8,305,019 - Tobari , et al. November 6, 2	2012-11-06
Position sensorless controller for permanent magnet motor Grant 8,106,619 - Tobari , et al. January 31, 2	2012-01-31
Control Apparatus And Control Method For Ac Electric Motor App 20120001581 - SUMITA; Satoshi ; et al.	2012-01-05
Control apparatus for AC motor Grant 8,044,618 - Nakatsugawa , et al. October 25, 2	2011-10-25
Control Apparatus For Permanent Magnet Motor App 20110241586 - TOBARI; Kazuaki ; et al.	2011-10-06
Torque Ripple Suppression Control Device For Permanent Magnet Motor And Electric Power Steering System App 20110175556 - TOBARI; Kazuaki ; et al.	2011-07-21
Semiconductor power converter Grant 7,919,941 - Aoyagi , et al. April 5, 2	2011-04-05
Control Unit and Control Method for Permanent Magnet Synchronous Motor App 20110006715 - SUMITA; Satoshi ; et al.	2011-01-13
Controller and constant measuring apparatus for AC motor Grant 7,825,620 - Nakatsugawa , et al. November 2, 2	2010-11-02
Vector controller for a permanent magnet motor and inverter module Grant 7,821,223 - Tobari , et al. October 26, 2	2010-10-26
Beat-less controller for permanent magnet motor Grant 7,808,202 - Tobari , et al. October 5, 2	2010-10-05
Torque Controller for Permanent Magnet Synchronous Motor App 20100231148 - TOBARI; Kazuaki ; et al.	2010-09-16
Field weakening control apparatus for permanent magnet motor and electric power steering using same Grant 7,791,295 - Oi , et al. September 7, 2	2010-09-07
Speed Controller Of Magnetic Motor App 20100148707 - TOBARI; Kazuaki ; et al.	2010-06-17
Highly responsive permanent magnet motor controller Grant 7,719,226 - Tobari , et al. May 18, 2	2010-05-18
Controller For Permanent Magnet Synchronous Motor and Motor Control System App 20090322262 - Tobari; Kazuaki ; et al.	2009-12-31
Motor controller, washing machine, air conditioner and electric oil pump Grant 7,619,385 - Suzuki , et al. November 17, 2	2009-11-17
Driving apparatus and driving system for electric motor Grant 7,602,138 - Kaneko , et al. October 13, 2	2009-10-13
Vector control apparatus for permanent magnet motor Grant 7,560,896 - Tobari , et al. July 14, 2	2009-07-14
Position Sensorless Controller For Permanent Magnet Motor App 20090146592 - TOBARI; Kazuaki ; et al.	2009-06-11
Control Apparatus For Ac Motor App 20090140674 - NAKATSUGAWA; Junnosuke ; et al.	2009-06-04
Vector controller for permanent magnet synchronous motor Grant 7,528,568 - Tobari , et al. May 5, 2	2009-05-05
Vector controller for a permanent magnet synchronous motor, inverter module, and permanent magnet synchronous motor constant display system Grant 7,521,887 - Tobari , et al. April 21, 2	2009-04-21
Semiconductor Power Converter App 20090058331 - Aoyagi; Shigehisa ; et al.	2009-03-05
Field weakening control apparatus for permanent magnet motor and electric power steering using same App 20080265809 - Ol; Kentaro ; et al.	2008-10-30
Field weakening vector controller for permanent magnet synchronous motor and control module Grant 7,443,120 - Tobari , et al. October 28, 2	2008-10-28
Highly Responsive Permanent Magent Motor Controller App 20080157709 - Tobari; Kazuaki ; et al.	2008-07-03
Beat-less Controller For Permanent Magnet Motor App 20080157710 - Tobari; Kazuaki ; et al.	2008-07-03
Control system for permanent magnet synchronous motor and module Grant 7,388,341 - Tobari , et al. June 17, 2	2008-06-17
Controller And Constant Measuring Apparatus For Ac Motor App 20080079378 - NAKATSUGAWA; JUNNOSUKE ; et al.	2008-04-03
Vector Controller For A Permanent Magnet Motor And Inverter Module App 20080048606 - Tobari; Kazuaki ; et al.	2008-02-28
Vector Control Apparatus for Permanent Magnet Motor App 20070216342 - Tobari; Kazuaki ; et al.	2007-09-20
Driving apparatus and driving system for electric motor App 20070159130 - Kaneko; Daigo ; et al.	2007-07-12
Vector controller for a permanent magnet synchronous motor, inverter module, and permanent magnet synchronous motor constant display system App 20070126391 - Tobari; Kazuaki ; et al.	2007-06-07
Field weakening vector controller for permanent magnet synchronous motor and control module App 20070085507 - Tobari; Kazuaki ; et al.	2007-04-19
Vector controller for permanent magnet synchronous motor App 20070035269 - Tobari; Kazuaki ; et al.	2007-02-15
Motor controller, washing machine, air conditioner and electric oil pump App 20070024232 - Suzuki; Takahiro ; et al.	2007-02-01
Apparatus and method for controlling AC motor and module therefor Grant 7,148,651 - Tobari , et al. December 12, 2	2006-12-12
Apparatus for controlling an a. c. motor Grant 7,075,266 - Tobari , et al. July 11, 2	2006-07-11
Control system for permanent magnet synchronous motor and module App 20060055362 - Tobari; Kazuaki ; et al.	2006-03-16
Control method and control device of permanent-magnet type synchronous motor Grant 6,954,050 - Tobari , et al. October 11, 2	2005-10-11
Apparatus and method for controlling AC motor and module therefor App 20050017671 - Tobari, Kazuaki ; et al.	2005-01-27
Control method and control device of permanent-magnet type synchronous motor App 20040207358 - Tobari, Kazuaki ; et al.	2004-10-21
Apparatus for controlling an a. c. motor App 20040189243 - Tobari, Kazuaki ; et al.	2004-09-30
Apparatus for controlling an induction motor Grant 6,670,786 - Tobari , et al. December 30, 2	2003-12-30
Apparatus for controlling an induction motor App 20020060549 - Tobari, Kazuaki ; et al.	2002-05-23
Parallel multi-inverter system and motor drive system using the same Grant 5,016,158 - Matsui , et al. May 14, 1	1991-05-14
Electric motor-driven power steering apparatus Grant 4,869,334 - Marumoto , et al. September 26, 1	1989-09-26