Inventor

TAKAFUMI HARA

Inventor
JP

Overview

25→
Patents
2022–2026
Patent span
Electricity
Primary field (CPC H)

Patents· 25 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters26%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems21%
Y02TClimate change mitigation technologies related to transportation12%
B60LPropulsion of electrically-propelled vehicles10%
B62DMotor vehicles5%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
H02KDynamo-electric machines4%
B41JTypewriters3%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles3%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology3%
PatentTitleYear
12,562,657Inverter control device, hybrid system, electromechanical integrated unit, electric vehicle system, and inverter control method202612,491,774Motor control device, electromechanical integrated unit, boost converter system, electric vehicle system, and motor control method202512,463,576Inverter control device and inverter control method202512,301,148Motor control device, electro-mechanical integrated unit, hybrid system, and electric power steering system202512,301,071Motor control device, mechatronic unit, power generation system, boost converter system, and electric vehicle system202512,199,539Motor control device, electric vehicle, and motor control method202512,170,497Inverter control device and electric vehicle system202412,162,298Manufacturing method of printed material202412,149,183Inverter control device and electric vehicle system202412,074,551Motor control device, electromechanical unit, electric vehicle system, and motor control method202412,074,542Motor control device, electromechanical integrated unit, and electric vehicle system202411,984,821Inverter control device202411,967,915Motor control device, motor control method, hybrid system, boost converter system and electric power steering system202411,831,265Motor control device202311,646,690Motor control device and electric vehicle system202311,558,000Motor control device and electric vehicle system using the same202311,555,099Method for producing colorable material202311,482,961Inverter control device202211,451,179Motor control device and brake control device202211,427,726Inks202211,325,641Control device for electric power steering apparatus and electric power steering apparatus202211,290,036Control device202211,228,271Control device for three-phase synchronous motor and electric power steering device using the same202211,222,150Simulation program202211,215,510Thermal infrared detector and manufacturing method for thermal infrared detector2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2026Patents assigned to HITACHI ASTEMO LTD (20)· patent assignee history
2022Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (6)· patent assignee history
2022–2024Patents assigned to TOSHIBA TEC KK (3)· patent assignee history
2022Patents assigned to MITSUBISHI ELECTRIC CORP (1)· patent assignee history
2022–2026Based in JP· patent location history
2025Patents assigned to HITACHI LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI ASTEMO LTD202022–2026
HITACHI AUTOMOTIVE SYSTEMS LTD62022
TOSHIBA TEC KK32022–2024
HITACHI LTD12025
MITSUBISHI ELECTRIC CORP12022
Locations
LocationPatentsSpan
JP252022–2026