Kohji MAKI

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Operating state classification system, and operating state classifi...
- Patent number 12,181,865
- Issue date Dec 31, 2024
- Hitachi, Ltd.
- Kohji Maki
- G05 - CONTROLLING REGULATING
Information Patent Grant
Power conversion device, rotating machine system, and diagnosis method
- Patent number 12,061,236
- Issue date Aug 13, 2024
- Hitachi Industrial Equipment Systems Co., Ltd.
- Kohji Maki
- G01 - MEASURING TESTING
Information Patent Grant
Failure diagnosis system
- Patent number 11,269,322
- Issue date Mar 8, 2022
- Hitachi, Ltd.
- Munetoshi Unuma
- G05 - CONTROLLING REGULATING
Information Patent Grant
Rotor diagnostic apparatus, rotor diagnostic method, and rotor diag...
- Patent number 11,209,487
- Issue date Dec 28, 2021
- Hitachi, Ltd.
- Tetsuji Kato
- G01 - MEASURING TESTING
Information Patent Grant
Power conversion device, rotating machine system using same, and di...
- Patent number 11,193,978
- Issue date Dec 7, 2021
- Hitachi Industrial Equipment Systems Co., Ltd.
- Kohji Maki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Non-contact voltage measurement device and diagnosis system
- Patent number 11,047,882
- Issue date Jun 29, 2021
- Hitachi, Ltd.
- Tetsuji Kato
- G01 - MEASURING TESTING
Information Patent Grant
Machine diagnostic apparatus and machine diagnostic method
- Patent number 10,295,995
- Issue date May 21, 2019
- Hitachi, Ltd.
- Tomoaki Hiruta
- G05 - CONTROLLING REGULATING
Information Patent Grant
Linear motor and positioning apparatus
- Patent number 10,218,252
- Issue date Feb 26, 2019
- Hitachi, Ltd.
- Yasuaki Aoyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rotary machine diagnostic system
- Patent number 10,209,310
- Issue date Feb 19, 2019
- Hitachi, Ltd.
- Tetsuji Kato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Insulation diagnostic system or rotating machine
- Patent number 10,067,190
- Issue date Sep 4, 2018
- Hitachi, Ltd.
- Tetsuji Kato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Deterioration diagnosis system
- Patent number 9,810,743
- Issue date Nov 7, 2017
- Hitachi, Ltd.
- Kohji Maki
- G01 - MEASURING TESTING
Information Patent Grant
Anomaly diagnosis system, method, and apparatus
- Patent number 9,759,774
- Issue date Sep 12, 2017
- Hitachi, Ltd.
- Tetsuji Kato
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic field analysis programs and magnetic field analysis methods
- Patent number 9,506,995
- Issue date Nov 29, 2016
- Hitachi, Ltd.
- Kohji Maki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for analyzing operating point of permanent magnet, program t...
- Patent number 8,781,763
- Issue date Jul 15, 2014
- Hitachi, Ltd.
- Shigeru Kakugawa
- G01 - MEASURING TESTING
Information Patent Grant
Linear drive apparatus having cores and coils which are positioned...
- Patent number 7,777,371
- Issue date Aug 17, 2010
- Hitachi, Ltd.
- Houng Joong Kim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnet for NMR analyzer and NMR analyzer using the same
- Patent number 7,336,077
- Issue date Feb 26, 2008
- Hitachi, Ltd.
- Tsuyoshi Wakuda
- G01 - MEASURING TESTING
Information Patent Grant
Linear motor and manufacturing method thereof
- Patent number 7,312,542
- Issue date Dec 25, 2007
- Hitachi, Ltd.
- Kim Houng Joong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnet for NMR analyzer and NMR analyzer using the same
- Patent number 7,187,175
- Issue date Mar 6, 2007
- Hitachi, Ltd.
- Tsuyoshi Wakuda
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for generating homogeneous magnetic field
- Patent number 7,157,912
- Issue date Jan 2, 2007
- Hitachi, Ltd.
- Kohji Maki
- G01 - MEASURING TESTING
Information Patent Grant
Magnet for NMR analyzer and NMR analyzer using the same
- Patent number 7,141,977
- Issue date Nov 28, 2006
- Hitachi, Ltd.
- Tsuyoshi Wakuda
- G01 - MEASURING TESTING
Information Patent Grant
Linear drive unit reducing stress generated in movable part in hori...
- Patent number 7,138,734
- Issue date Nov 21, 2006
- Hitachi, Ltd.
- Houng Joong Kim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Angle sensor, angle-torque sensor and electric power steering unit...
- Patent number 7,093,687
- Issue date Aug 22, 2006
- Hitachi Cable, Ltd.
- Ryoso Masaki
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Vehicular alternator
- Patent number 7,057,327
- Issue date Jun 6, 2006
- Hitachi, Ltd.
- Hiroshi Kanazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Superconductivity magnet apparatus
- Patent number 7,049,913
- Issue date May 23, 2006
- Hitachi, Ltd.
- Tsuyoshi Wakuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Linear drive apparatus
- Patent number 7,004,694
- Issue date Feb 28, 2006
- Hitachi, Ltd.
- Houng Joong Kim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive apparatus and XY table utilizing the same
- Patent number 6,975,048
- Issue date Dec 13, 2005
- Hitachi, Ltd.
- Houng Joong Kim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Linear motor and manufacturing method thereof
- Patent number 6,943,465
- Issue date Sep 13, 2005
- Hitachi, Ltd.
- Houng Joong Kim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Angle sensor, angle-torque sensor and electric power steering unit...
- Patent number 6,926,115
- Issue date Aug 9, 2005
- Hitachi Cable, Ltd.
- Ryoso Masaki
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Linear motor, its controlling method, and XY table
- Patent number 6,876,108
- Issue date Apr 5, 2005
- Hitachi, Ltd.
- Kohji Maki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Linear motor and production method therefor
- Patent number 6,825,581
- Issue date Nov 30, 2004
- Hitachi, Ltd.
- Kim Houng Joong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
OPERATING STATE CLASSIFICATION SYSTEM, AND OPERATING STATE CLASSIFI...
- Publication number 20230091068
- Publication date Mar 23, 2023
- Hitachi, Ltd
- Kohji MAKI
- G05 - CONTROLLING REGULATING
Information Patent Application
ELECTRIC POWER CONVERSION DEVICE, SYSTEM USING SAME, AND DIAGNOSTIC...
- Publication number 20220373588
- Publication date Nov 24, 2022
- Hitachi Industrial Equipment Systems Co., Ltd.
- Kohji MAKI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Conversion Device, Rotating Machine System, and Diagnosis Method
- Publication number 20220229113
- Publication date Jul 21, 2022
- HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
- Kohji MAKI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERSION DEVICE, ROTATING MACHINE SYSTEM USING SAME, AND DI...
- Publication number 20210072319
- Publication date Mar 11, 2021
- Hitachi Industrial Equipment Systems Co., Ltd.
- Kohji MAKI
- G01 - MEASURING TESTING
Information Patent Application
NON-CONTACT VOLTAGE MEASUREMENT DEVICE AND DIAGNOSIS SYSTEM
- Publication number 20200191833
- Publication date Jun 18, 2020
- Hitachi, Ltd.
- Tetsuji KATO
- G01 - MEASURING TESTING
Information Patent Application
FAILURE DIAGNOSIS SYSTEM
- Publication number 20200089207
- Publication date Mar 19, 2020
- Hitachi, Ltd
- Munetoshi UNUMA
- G05 - CONTROLLING REGULATING
Information Patent Application
ROTOR DIAGNOSTIC APPARATUS, ROTOR DIAGNOSTIC METHOD, AND ROTOR DIAG...
- Publication number 20190146036
- Publication date May 16, 2019
- Hitachi, Ltd
- Tetsuji KATO
- G01 - MEASURING TESTING
Information Patent Application
Machine Diagnostic Device and Machine Diagnostic Method
- Publication number 20180059656
- Publication date Mar 1, 2018
- Hitachi, Ltd
- Tomoaki HIRUTA
- G01 - MEASURING TESTING
Information Patent Application
MACHINE DIAGNOSTIC APPARATUS AND MACHINE DIAGNOSTIC METHOD
- Publication number 20180011480
- Publication date Jan 11, 2018
- Hitachi, Ltd
- Tomoaki HIRUTA
- G01 - MEASURING TESTING
Information Patent Application
INSULATION DIAGNOSTIC SYSTEM OR ROTATING MACHINE
- Publication number 20170219655
- Publication date Aug 3, 2017
- Hitachi, Ltd
- Tetsuji KATO
- G01 - MEASURING TESTING
Information Patent Application
Rotary Machine Diagnostic System
- Publication number 20170089983
- Publication date Mar 30, 2017
- Hitachi, Ltd
- Tetsuji KATO
- G01 - MEASURING TESTING
Information Patent Application
Anomaly Diagnosis System, Method, and Apparatus
- Publication number 20160245851
- Publication date Aug 25, 2016
- Hitachi, Ltd
- Tetsuji KATO
- G01 - MEASURING TESTING
Information Patent Application
Rotary Machine
- Publication number 20150381005
- Publication date Dec 31, 2015
- Hitachi, Ltd
- Tetsuji KATO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Deterioration Diagnosis System
- Publication number 20150331051
- Publication date Nov 19, 2015
- Hitachi, Ltd
- Kohji MAKI
- G01 - MEASURING TESTING
Information Patent Application
Magnetic Field Analysis Programs and Magnetic Field Analysis Methods
- Publication number 20140129167
- Publication date May 8, 2014
- Hitachi, Ltd
- Kohji Maki
- G01 - MEASURING TESTING
Information Patent Application
ELECTRIC ROTATING MACHINE AND METHOD FOR MANUFACTURING A STATOR COR...
- Publication number 20130140930
- Publication date Jun 6, 2013
- Hidetoshi Koka
- B60 - VEHICLES IN GENERAL
Information Patent Application
Linear Motor and Positioning Apparatus
- Publication number 20130093264
- Publication date Apr 18, 2013
- Hitachi Ltd.
- Yasuaki Aoyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD FOR ANALYZING OPERATING POINT OF PERMANENT MAGNET, PROGRAM T...
- Publication number 20120053866
- Publication date Mar 1, 2012
- Hitachi, Ltd.
- Shigeru KAKUGAWA
- G01 - MEASURING TESTING
Information Patent Application
Magnet for NMR analyzer and NMR analyzer using the same
- Publication number 20070052421
- Publication date Mar 8, 2007
- Tsuyoshi Wakuda
- G01 - MEASURING TESTING
Information Patent Application
Magnet for NMR analyzer and NMR analyzer using the same
- Publication number 20060109006
- Publication date May 25, 2006
- Tsuyoshi Wakuda
- G01 - MEASURING TESTING
Information Patent Application
Linear drive apparatus
- Publication number 20060091736
- Publication date May 4, 2006
- Houng Joong Kim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Apparatus for generating homogeneous magnetic field
- Publication number 20050285597
- Publication date Dec 29, 2005
- Kohji Maki
- G01 - MEASURING TESTING
Information Patent Application
Linear motor and manufacturing method thereof
- Publication number 20050264107
- Publication date Dec 1, 2005
- Kim Houng Joong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Linear drive unit reducing stress generated in movable part in hori...
- Publication number 20050200209
- Publication date Sep 15, 2005
- Houng Joong Kim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Angle sensor, angle-torque sensor and electric power steering unit...
- Publication number 20050173181
- Publication date Aug 11, 2005
- Ryoso Masaki
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Superconductivity magnet apparatus
- Publication number 20050134414
- Publication date Jun 23, 2005
- Tsuyoshi Wakuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Magnet for NMR analyzer and NMR analyzer using the same
- Publication number 20040257082
- Publication date Dec 23, 2004
- Tsuyoshi Wakuda
- G01 - MEASURING TESTING
Information Patent Application
Drive unit
- Publication number 20040189104
- Publication date Sep 30, 2004
- Houng Joong Kim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Linear motor and manufacturing method thereof
- Publication number 20040178684
- Publication date Sep 16, 2004
- Kim Houng Joong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Linear motor, its controlling method, and XY table
- Publication number 20040150269
- Publication date Aug 5, 2004
- Kohji Maki
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Person

Patents Grantslast 30 patents

Operating state classification system, and operating state classifi...

Power conversion device, rotating machine system, and diagnosis method

Failure diagnosis system

Rotor diagnostic apparatus, rotor diagnostic method, and rotor diag...

Power conversion device, rotating machine system using same, and di...

Non-contact voltage measurement device and diagnosis system

Machine diagnostic apparatus and machine diagnostic method

Linear motor and positioning apparatus

Rotary machine diagnostic system

Insulation diagnostic system or rotating machine

Deterioration diagnosis system

Anomaly diagnosis system, method, and apparatus

Magnetic field analysis programs and magnetic field analysis methods

Method for analyzing operating point of permanent magnet, program t...

Linear drive apparatus having cores and coils which are positioned...

Magnet for NMR analyzer and NMR analyzer using the same

Linear motor and manufacturing method thereof

Magnet for NMR analyzer and NMR analyzer using the same

Apparatus for generating homogeneous magnetic field

Magnet for NMR analyzer and NMR analyzer using the same

Linear drive unit reducing stress generated in movable part in hori...

Angle sensor, angle-torque sensor and electric power steering unit...

Vehicular alternator

Superconductivity magnet apparatus

Linear drive apparatus

Drive apparatus and XY table utilizing the same

Linear motor and manufacturing method thereof

Angle sensor, angle-torque sensor and electric power steering unit...

Linear motor, its controlling method, and XY table

Linear motor and production method therefor

Patents Applicationslast 30 patents

OPERATING STATE CLASSIFICATION SYSTEM, AND OPERATING STATE CLASSIFI...

ELECTRIC POWER CONVERSION DEVICE, SYSTEM USING SAME, AND DIAGNOSTIC...

Power Conversion Device, Rotating Machine System, and Diagnosis Method

POWER CONVERSION DEVICE, ROTATING MACHINE SYSTEM USING SAME, AND DI...

NON-CONTACT VOLTAGE MEASUREMENT DEVICE AND DIAGNOSIS SYSTEM

FAILURE DIAGNOSIS SYSTEM

ROTOR DIAGNOSTIC APPARATUS, ROTOR DIAGNOSTIC METHOD, AND ROTOR DIAG...

Machine Diagnostic Device and Machine Diagnostic Method

MACHINE DIAGNOSTIC APPARATUS AND MACHINE DIAGNOSTIC METHOD

INSULATION DIAGNOSTIC SYSTEM OR ROTATING MACHINE

Rotary Machine Diagnostic System

Anomaly Diagnosis System, Method, and Apparatus

Rotary Machine

Deterioration Diagnosis System

Magnetic Field Analysis Programs and Magnetic Field Analysis Methods

ELECTRIC ROTATING MACHINE AND METHOD FOR MANUFACTURING A STATOR COR...

Linear Motor and Positioning Apparatus

METHOD FOR ANALYZING OPERATING POINT OF PERMANENT MAGNET, PROGRAM T...

Magnet for NMR analyzer and NMR analyzer using the same

Magnet for NMR analyzer and NMR analyzer using the same

Linear drive apparatus

Apparatus for generating homogeneous magnetic field

Linear motor and manufacturing method thereof

Linear drive unit reducing stress generated in movable part in hori...

Angle sensor, angle-torque sensor and electric power steering unit...

Superconductivity magnet apparatus

Magnet for NMR analyzer and NMR analyzer using the same

Drive unit

Linear motor and manufacturing method thereof

Linear motor, its controlling method, and XY table