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Inventor

Yuji Enomoto

Inventor
Hitachi, JP

Overview

62→
Patents
1985–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 62 as inventor

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

H02Kprimary
H02KDynamo-electric machines53%
Y10TTechnical subjects covered by former us classification11%
C04BLime, magnesia5%
F04DNon-positive-displacement pumps5%
H01FMagnets3%
B60LPropulsion of electrically-propelled vehicles2%
C23CCoating metallic material2%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants2%
Y02TClimate change mitigation technologies related to transportation2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
10,804,765Electromechanical integral motor202010,763,716Axial-air-gap dynamo-electric machine with a tubular-shaped stator bobbin202010,756,600Axial gap rotary electric machine202010,566,876Axial gap rotary electric machine202010,530,210Axial air gap rotating electric machine20209,935,510Axial-type rotary electric machine20189,553,495'Wound core, electromagnetic component and manufacturing method therefor, and electromagnetic equipment'20179,385,581'Magnetic gear mechanism'20169,350,206'Axial gap rotating electrical machine'20169,337,708'Magnetic gear-type electric rotating machine'20169,154,020'Axial gap rotating-electric machine'20159,143,025'Magnetic gear mechanism including a plurality of rotors or stators'20159,124,146'Axial gap rotating-electric machine'20159,054,572'Wound core, electromagnetic component and manufacturing method therefor, and electromagnetic equipment'20158,937,422'Magnetic iron core, method for manufacturing the same, axial-gap rotating electrical machine, and static electrical machine'20158,836,192'Axial gap rotating electrical machine and rotor used therefor'20148,786,155'Axial gap rotating electrical machine'20148,760,029'Stator core arrangements using heat-shrinkable tubing, for rotarty electric machines'20148,680,736'Armature core, motor using same, and axial gap electrical rotating machine using same'20148,659,199'Axial gap permanent magnet motor, rotor used for the same, and production method of the rotor'20148,575,804'Magnetic gear'20138,513,842'Heat radiation structure for rotary electromotor'20138,373,326'Axial gap motor, compressor, motor system, and power generator'20138,358,040'Permanent magnet type electric rotating machine'20138,294,325'Stator core for dynamo-electric machine and manufacturing method therefor'20128,125,116'Alternator for vehicle and rotating electrical machine'20127,963,741'Motor and fan device using the same'20117,956,509'Electric pump'20117,906,881'Motor'20117,795,774'Multiple phase claw pole type motor'20107,791,244'Multiphase claw-pole type electric rotary machine, cogging torque adjustment system of the same, generator system, and motor system'20107,750,529'Electric Pump'20107,714,475'Multiple phase claw pole type motor'20107,714,466'Claw-teeth-type rotating electrical machine'20107,701,109'Rotating electrical machine'20107,692,344'Polyphase claw pole type motor'20107,649,298'Claw teeth type electric rotary machine and manufacturing method for stators'20107,626,301'Electric rotating machine having permanent magnets and method of manufacturing teeth portions of the stator iron core'20097,605,517'Claw pole rotating electric machine'20097,592,734'Three-phase permanent magnet brushless motor'20097,446,441'Outer rotor type hybrid stepping motor'2008D0572660'Claw teeth motor core'20087,250,698'Multi-phase claw-pole type rotary machine'20076,954,014'Motor with frequency generator and office automation equipment using same'20056,943,475'Permanent magnet motor for driving a fan'20056,876,118'Abduction-type motor and fabrication method of motor stator thereof'20056,481,089'Method for manufacturing an electromotive machine having an insulated coil'20026,229,241'Structure and manufacturing method for motor and stator'20016,222,296'Electric motor having a stator with an end core part having a different shape than a central core part'20016,211,587'Electric rotating machine'20015,886,444'Rotary machine and manufacturing method therefor'19995,387,869'Apparatus for measuring transient electric earth current to predict the occurrence of an earthquake'19955,271,890'Method for producing carbon allotrope'19935,100,848'Oxide type solid lubricant containing Cr.sub.2 O.sub.3 and Na.sub.2 ZrO.sub .'19924,984,453'Indenter for fractoemission measurement'19914,956,205'Method of improving water lubricity of ceramics'19904,810,676'Chromium oxide-base ceramic material'19894,808,557'Sintered titanium carbo-nitride ceramics'19894,772,111'Optical mirror with c/c composite substrate and an intermediate layer of molydenum, tungsten, or niobium 40 to 100 .mu.m thick'19884,529,310'Device for detection of center of rotation of rotating object'19854,500,564'Method for surface treatment by ion bombardment'19854,492,764'Sintered ceramic body containing titanium carbonitride'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1995Patents assigned to AGENCY IND SCIENCE TECHN (10)· patent assignee history
1985–2007Based in Ibaraki, JP· patent location history
1990–1995Based in Tsukuba, JP· patent location history
1999–2020Patents assigned to HITACHI LTD (25)· patent assignee history
1999–2002Based in Yokohama, JP· patent location history
2005–2010Patents assigned to JAPAN SERVO (12)· patent assignee history
2005–2017Based in Hitachi, JP· patent location history
2008–2016Patents assigned to HITACHI IND EQUIPMENT SYS (17)· patent assignee history
2012–2017Patents assigned to ENOMOTO YUJI (16)· patent assignee history
2016–2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD251999–2020
HITACHI IND EQUIPMENT SYS172008–2016
ENOMOTO YUJIself162012–2017
JAPAN SERVO122005–2010
AGENCY IND SCIENCE TECHN101985–1995
Locations
LocationPatentsSpan
Hitachi, JP372005–2017
Tokyo, JP82016–2020
Ibaraki, JP51985–2007
Yokohama, JP51999–2002
Tsukuba, JP51990–1995