Inventor

Yuichi Yoshikawa

Inventor
Osaka, JP

Overview

41→
Patents
2009–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 41 as inventor

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

H02Kprimary
H02KDynamo-electric machines80%
LOC1311%
F04DNon-positive-displacement pumps2%
G01DMeasuring not specially adapted for a specific variable2%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
11,070,103Motor202110,348,141Motor with rotor and stator dimensions for reducing cogging torque and torque ripple20199,893,575'Permanent-magnet-embedded electric motor and method for manufacturing same'20189,548,633'Stator of motor having tooth portions with different widths'20179,502,928'Motor design for reducing cogging torque and torque ripple while maintaining efficiency'20169,438,075'Motor stator and motor'20169,373,981'Stator of motor and motor'20169,369,014'Rotor of motor and fan driving motor including rotor'20169,356,478'Stator of motor and motor'20169,293,954'Rotor of motor and fan driving motor including rotor'20169,214,838'Brushless motor and electric device mounted with same'20158,970,080'Electric motor having reduced cogging torque'20158,896,179'Motor and electronic device comprising the same'20148,876,493'Fan motor and blower including the same motor'20148,816,554'Motor'20148,680,737'Motor and electronic apparatus using the same'20148,664,962'Winding method and winding structure of stator for rotation detector, and electric motor comprising rotation detector'20148,604,804'Method and structure of winding of stator for rotation detector, and electric motor comprising rotation detector'20138,410,654'Motor and electronic device using same'20138,405,270'Permanent magnet buried type electric motor'20138,405,276'Motor and electronic apparatus using the same'20138,368,278'Motor and electronic device comprising the same'20138,362,670'Stator and electrical apparatus'20138,350,439'Brushless DC motor of outer rotor type and electronic device using the same'20138,350,433'Electric motor'20138,344,570'Interior permanent magnet rotor, electric motor using the same and electric device'20138,207,648'Dual rotor having varying air gaps'20128,159,102'Motor and electronic apparatus using the same'20128,159,106'Motor and electronic apparatus using the same'20128,159,097'Motor and electronic apparatus using the same'20128,134,266'Electric motor'20128,049,382'Brushless motor'20117,714,474'Electrical machine having a flattened stator with inclined teeth'20107,683,518'Motor'20107,626,299'Motor'20097,622,841'Motor'2009D0596566'Stator core for electric motor'2009D0596567'Teeth of stator core for electric motor'2009D0596568'Yoke of stator core for electric motor'2009D0587197'Stator core sheet'2009D0586747'Stator core'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2014Patents assigned to PANASONIC CORP (29)· patent assignee history
2009–2021Based in Osaka, JP· patent location history
2012–2017Patents assigned to YOSHIKAWA YUICHI (27)· patent assignee history
2012–2016Patents assigned to MURAKAMI HIROSHI (12)· patent assignee history
2012–2016Patents assigned to LI HU (10)· patent assignee history
2015–2021Patents assigned to PANASONIC IP MAN CO LTD (12)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PANASONIC CORP292009–2014
YOSHIKAWA YUICHIself272012–2017
MURAKAMI HIROSHI122012–2016
PANASONIC IP MAN CO LTD122015–2021
LI HU102012–2016
Locations
LocationPatentsSpan
Osaka, JP412009–2021