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Inventor

Takeo Maekawa

Inventor
Okazaki, JP

Overview

30→
Patents
2004–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 30 as inventor

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

H02Kprimary
H02KDynamo-electric machines74%
H01TSpark gaps11%
H01FMagnets9%
F02PIgnition, other than compression ignition, for internal-combustion engines3%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure3%
PatentTitleYear
10,587,175Double-stator rotating electric machine202010,574,118Rotating electric machine202010,122,246Multi-gap rotating electric machine with cooling oil guide channels for side stator coil201810,116,189Rotating electrical machine equipped with rotor with oil containers201810,069,360Electric rotary machine201810,069,361Rotor securing arrangement and rotating electric machine having the same201810,020,697Double-stator electric rotating machine201810,020,698Multi-gap type rotary electric machine including inner and outer stators and a rotor with inner and outer magnets20189,979,267Double-stator rotating electric machine20189,899,885'Rotor and rotating electric machine'20189,627,935'Multi-gap rotating electric machine having phase coils formed of substantially U-shaped electric conductor segments'20179,407,116'Multi-gap rotary machine with dual stator and one rotor with dual permanent magnets and salient poles with dimensions and ratios for torque maximization'20169,252,634'Synchronous motor'20169,059,614'Multi-gap type electric rotating machine'20158,860,281'Multiple-gap electric rotating machine'20148,610,326'Stator designed to minimize leakage current and electric rotating machine using same'20138,334,632'Stator for a rotating electric machine and rotating electric machine'20127,994,677'Stator for rotary electric machine, and rotary electric machine using the stator'20117,969,057'Synchronous motor with rotor having suitably-arranged field coil, permanent magnets, and salient-pole structure'20117,923,885'Stator for rotary electric machine, and rotary electric machine using the stator'20117,642,690'Automotive tandem alternator having high efficiency and improved arrangement of regulator'20107,602,095'Automotive tandem alternator having reduced axial length and capable of effectively suppressing magnetic leakage'20097,569,956'Automotive tandem alternator having reduced axial length and improved structure for effectively dissipating heat generated by rectifiers'20097,545,074'Rotor for automotive alternator having improved magnet holder'20097,397,157'Tandem rotary electric machine'20087,053,508'Rotary electric machine and a rotor of the same'20067,017,566'Ignition device for an internal combustion engine'20066,698,411'Ignition device for internal combustion engine'20046,694,958'Ignition device for internal combustion engine'20046,675,785'Ignition device for an internal combustion engine'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2020Patents assigned to DENSO CORP (30)· patent assignee history
2004–2020Based in Okazaki, JP· patent location history
2012–2013Patents assigned to AKIMOTO AKITO (2)· patent assignee history
2012–2013Patents assigned to FUKUSHIMA AKIRA (2)· patent assignee history
2012–2013Patents assigned to KUSASE SHIN (2)· patent assignee history
2012–2013Patents assigned to MAEKAWA TAKEO (2)· patent assignee history
2018–2020Based in Kariya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DENSO CORP302004–2020
AKIMOTO AKITO22012–2013
FUKUSHIMA AKIRA22012–2013
KUSASE SHIN22012–2013
MAEKAWA TAKEOself22012–2013
Locations
LocationPatentsSpan
Okazaki, JP252004–2020
Kariya, JP52018–2020