Keiji HAMADA

Person

Isesaki-shi, Gunma, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electric drive device and electric power steering device
- Patent number RE50061
- Issue date Jul 30, 2024
- Hitachi Astemo, Ltd.
- Masao Fujimoto
Information Patent Grant
Electric drive device and electric power steering device
- Patent number 11,606,000
- Issue date Mar 14, 2023
- Hitachi Astemo, Ltd.
- Keiji Hamada
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Electric drive device and electric power steering device
- Patent number 11,577,774
- Issue date Feb 14, 2023
- Hitachi Astemo, Ltd.
- Keiji Hamada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric drive device and electric power steering device
- Patent number 11,407,443
- Issue date Aug 9, 2022
- Hitachi Astemo, Ltd.
- Keiji Hamada
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Electric drive device and electric power steering device
- Patent number 11,052,841
- Issue date Jul 6, 2021
- HITACHI AUTOMOTIVE SYSTEMS, LTD.
- Masao Fujimoto
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electric drive device and electric power steering device
- Patent number 11,040,738
- Issue date Jun 22, 2021
- Hitachi Astemo, Ltd.
- Masao Fujimoto
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Electric drive device and electric power steering device
- Patent number 10,965,181
- Issue date Mar 30, 2021
- HITACHI AUTOMOTIVE SYSTEMS, LTD.
- Keiji Hamada
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Electric drive device and electric power steering device
- Patent number 10,826,355
- Issue date Nov 3, 2020
- HITACHI AUTOMOTIVE SYSTEMS, LTD.
- Takuro Kanazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric drive device and electric power steering device
- Patent number 10,797,566
- Issue date Oct 6, 2020
- Hitachi Automotive Systems, Ltd.
- Takuro Kanazawa
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Connection terminal assembly and electromotive drive device using same
- Patent number 10,770,955
- Issue date Sep 8, 2020
- Hitachi Automotive Systems, Ltd.
- Keiji Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric drive device and electric power steering device
- Patent number 10,668,944
- Issue date Jun 2, 2020
- Hitachi Automotive Systems, Ltd.
- Masao Fujimoto
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Electric drive apparatus, and electric power steering apparatus
- Patent number 10,554,100
- Issue date Feb 4, 2020
- Hitachi Automotive Systems, Ltd.
- Keiji Hamada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
MOTOR DRIVE DEVICE
- Publication number 20230271645
- Publication date Aug 31, 2023
- Hitachi Astemo, Ltd.
- Akira ISHII
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
ELECTRIC DRIVE DEVICE
- Publication number 20230067913
- Publication date Mar 2, 2023
- Hitachi Astemo, Ltd.
- Keiji HAMADA
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
ELECTRIC DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE
- Publication number 20210226507
- Publication date Jul 22, 2021
- Hitachi Automotive Systems, Ltd.
- Keiji HAMADA
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
ELECTRIC DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE
- Publication number 20210036574
- Publication date Feb 4, 2021
- Hitachi Automotive Systems, Ltd.
- Keiji HAMADA
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
ELECTRIC DRIVE APPARATUS, AND ELECTRIC POWER STEERING APPARATUS
- Publication number 20200136473
- Publication date Apr 30, 2020
- Hitachi Automotive Systems, Ltd.
- Keiji HAMADA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRIC DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE
- Publication number 20190300047
- Publication date Oct 3, 2019
- Hitachi Automotive Systems, Ltd.
- Keiji HAMADA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Electric Drive Device and Electric Power Steering Device
- Publication number 20190210636
- Publication date Jul 11, 2019
- Hitachi Automotive Systems, Ltd.
- Keiji HAMADA
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Electromotive Drive Device and Electrically-Powered Steering Device
- Publication number 20190193775
- Publication date Jun 27, 2019
- Hitachi Automotive Systems, Ltd.
- Keiji HAMADA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Electric Drive Device and Electric Power Steering Device
- Publication number 20190199175
- Publication date Jun 27, 2019
- Hitachi Automotive Systems, Ltd.
- Takuro KANAZAWA
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Electric Drive Device and Electric Power Steering Device
- Publication number 20190199176
- Publication date Jun 27, 2019
- Hitachi Automotive Systems, Ltd.
- Takuro KANAZAWA
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
CONNECTION TERMINAL ASSEMBLY AND ELECTROMOTIVE DRIVE DEVICE USING SAME
- Publication number 20190028004
- Publication date Jan 24, 2019
- Hitachi Automotive Systems, Ltd.
- Keiji HAMADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electric Drive Device and Electric Power Steering Device
- Publication number 20190016374
- Publication date Jan 17, 2019
- Hitachi Automotive Systems, Ltd.
- Masao FUJIMOTO
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Electric Drive Device and Electric Power Steering Device
- Publication number 20180244301
- Publication date Aug 30, 2018
- Hitachi Automotive Systems, Ltd.
- Masao FUJIMOTO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRIC DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE
- Publication number 20180178739
- Publication date Jun 28, 2018
- Hitachi Automotive Systems, Ltd.
- Masao FUJIMOTO
- B60 - VEHICLES IN GENERAL
Information Patent Application
ELECTRIC DRIVE APPARATUS, AND ELECTRIC POWER STEERING APPARATUS
- Publication number 20170353082
- Publication date Dec 7, 2017
- Hitachi Automotive Systems, Ltd.
- Keiji HAMADA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Keiji HAMADA

Person

Patents Grantslast 30 patents

Electric drive device and electric power steering device

Electric drive device and electric power steering device

Electric drive device and electric power steering device

Electric drive device and electric power steering device

Electric drive device and electric power steering device

Electric drive device and electric power steering device

Electric drive device and electric power steering device

Electric drive device and electric power steering device

Electric drive device and electric power steering device

Connection terminal assembly and electromotive drive device using same

Electric drive device and electric power steering device

Electric drive apparatus, and electric power steering apparatus

Patents Applicationslast 30 patents

MOTOR DRIVE DEVICE

ELECTRIC DRIVE DEVICE

ELECTRIC DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE

ELECTRIC DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE

ELECTRIC DRIVE APPARATUS, AND ELECTRIC POWER STEERING APPARATUS

ELECTRIC DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE

Electric Drive Device and Electric Power Steering Device

Electromotive Drive Device and Electrically-Powered Steering Device

Electric Drive Device and Electric Power Steering Device

Electric Drive Device and Electric Power Steering Device

CONNECTION TERMINAL ASSEMBLY AND ELECTROMOTIVE DRIVE DEVICE USING SAME

Electric Drive Device and Electric Power Steering Device

Electric Drive Device and Electric Power Steering Device

ELECTRIC DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE

ELECTRIC DRIVE APPARATUS, AND ELECTRIC POWER STEERING APPARATUS