Inventor
TOKOI HIROOKI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “TOKOI HIROOKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD
13 patentsUS11165312B2Nov 2, 2021
Axial-gap dynamo-electric machine
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD15 citations84
US10763716B2Sep 1, 2020
Axial-air-gap dynamo-electric machine with a tubular-shaped stator bobbin
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD9 citations82
US9935510B2Apr 3, 2018
Axial-type rotary electric machine
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD2 citations73
US10530210B2Jan 7, 2020
Axial air gap rotating electric machine
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD2 citations71
US10454325B2Oct 22, 2019
Axial air gap rotating electric machine and rotating electric machine bobbin
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD2 citations71
US11984816B2May 14, 2024
Power conversion device and press apparatus
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD1 citations61
US10523100B2Dec 31, 2019
Axial air-gap rotary electric machine
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD1 citations59
US12573892B2Mar 10, 2026
Rotary electric machine
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations58
US12255551B2Mar 18, 2025
Power conversion device and metal processing device
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations50
US11251670B2Feb 15, 2022
Axial air-gap rotary electric machine having a different number of internal side layers and external side layers
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations50
US11190062B2Nov 30, 2021
Axial gap type rotating electric machine and stator
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations50
US10992203B2Apr 27, 2021
Axial gap type rotary electric machine
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations48
US10536042B2Jan 14, 2020
Axial air gap type electric motor
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations39
HITACHI LTD
6 patentsUS11205935B2Dec 21, 2021
Axial gap dynamo-electric machine
HITACHI LTD11 citations83
US10756600B2Aug 25, 2020
Axial gap rotary electric machine
HITACHI LTD2 citations73
US9154020B2Oct 6, 2015
Axial gap rotating-electric machine
HITACHI LTD6 citations71
US10566876B2Feb 18, 2020
Axial gap rotary electric machine
HITACHI LTD0 citations51
US9124146B2Sep 1, 2015
Axial gap rotating-electric machine
HITACHI LTD0 citations50
US10804765B2Oct 13, 2020
Electromechanical integral motor
HITACHI LTD0 citations37