LexDanaLexDanabeta
Inventor

Masahiro Mita

Inventor
Fukaya, JP

Overview

33→
Patents
1996–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 33 as inventor

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

H02Kprimary
H02KDynamo-electric machines33%
G11BInformation storage based on relative movement between record carrier and transducer9%
H01FMagnets7%
H01QAntennas, i.e. radio aerials7%
G01DMeasuring not specially adapted for a specific variable5%
G04GElectronic time-pieces5%
G04RRadio-controlled time-pieces5%
F16HGearing3%
G02BOptical elements, systems or apparatus3%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%
PatentTitleYear
10,044,251Linear motor20189,755,552'Frequency converter'20179,729,040'Magnetic gear device having a plurality of magnetic bodies arranged in a particular configuration'20179,580,797'Magnetic-field-generating apparatus for magnetron sputtering'20179,273,557'Motor device'20169,166,464'Magnetic gear device and holding member'20158,847,839'Resonance-type, receiving antenna and receiving apparatus'20148,587,295'Angle detection apparatus and position detection apparatus'20138,564,283'Rotation-angle-detecting apparatus, rotating machine and rotation-angle-detecting method'20138,157,929'Magnetic shielding material, magnetic shielding component, and magnetic shielding room'20128,115,479'Rotation-angle-detecting apparatus, rotating machine, and rotation-angle-detecting method'20128,039,998'Rotor for motor and method for producing the same'20118,015,500'Data retrieval device with function for modifying retrieval condition classes'20117,981,359'Rotor and process for manufacturing the same'20117,906,881'Motor'20117,847,460'Yoke-integrated bonded magnet and magnet rotator for motor using the same'20107,626,301'Electric rotating machine having permanent magnets and method of manufacturing teeth portions of the stator iron core'20097,511,679'Antenna, and radio timepiece using the same, keyless entry system, and RFID system'20097,463,208'Antenna, and radio-controlled timepiece, keyless entry system and RFID system'20087,336,865'Optical switch'20087,061,439'Antenna, watch provided with the antenna, and method of manufacturing the antenna'20066,700,247'Thin type permanent magnet generator and diskette incorporating same'20046,462,907'Diskette incorporating a permanent magnet generator having a stator with magnetic pole teeth that are axially thinner than a permanent magnet that cooperates with the stator'20026,384,502'Diskette incorporating permanent magnet generator'20026,313,554'Diskette incorporating permanent magnet generator with low leakage flux'20016,265,800'Diskette incorporating permanent magnet generator with reduced cogging torque and permanent magnet generator for use in diskette'20016,169,826'Optical switch'20016,104,118'Alternating current generator for use in vehicle'20005,841,212'Permanent magnet field type rotating machine'19985,821,710'Brushless motor having permanent magnets'19985,684,352'Permanent magnet field-type rotating machine'19975,523,911'Minimum bearing load, high precision actuator arm with force couple actuation'19965,495,376'Power loss actuated magnetic latch system for head-arm assembly'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2018Patents assigned to HITACHI METALS LTD (31)· patent assignee history
1997–2012Based in Fukaya, JP· patent location history
2000–2011Patents assigned to HITACHI LTD (2)· patent assignee history
2008–2011Based in Saitama, JP· patent location history
2009–2011Patents assigned to HITACHI IND EQUIPMENT SYS (2)· patent assignee history
2012–2017Patents assigned to MITA MASAHIRO (9)· patent assignee history
2012–2013Patents assigned to AIMUTA KYOHEI (3)· patent assignee history
2012–2013Based in Kumagaya, JP· patent location history
2013–2018Based in Takasaki, JP· patent location history
2014–2015Based in Gunma, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI METALS LTD311996–2018
MITA MASAHIROself92012–2017
AIMUTA KYOHEI32012–2013
HITACHI IND EQUIPMENT SYS22009–2011
HITACHI LTD22000–2011
Locations
LocationPatentsSpan
Fukaya, JP171997–2012
Takasaki, JP62013–2018
Saitama, JP32008–2011
Gunma, JP22014–2015
Kumagaya, JP22012–2013