Inventor
FUKUSHIMA KAZUHIKO
JP49 patents
⚠️ This page may combine multiple inventors who share the name “FUKUSHIMA KAZUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIDEC CORP
23 patentsUS8879204B2Nov 4, 2014
Motor and disk drive apparatus
NIDEC CORP7 citations84
US7667360B2Feb 23, 2010
Rotor unit, bearing mechanism, motor, and data storage disk drive device
NIDEC CORP7 citations74
US10161405B2Dec 25, 2018
Cooling apparatus
NIDEC CORP3 citations73
US10072672B2Sep 11, 2018
Fan
NIDEC CORP3 citations73
US10047755B2Aug 14, 2018
Fan
NIDEC CORP2 citations73
US9523373B2Dec 20, 2016
Fan
NIDEC CORP5 citations73
US9366263B2Jun 14, 2016
Bearing apparatus, motor, and blower fan
NIDEC CORP6 citations73
US9360019B2Jun 7, 2016
Fan
NIDEC CORP4 citations73
US8582233B2Nov 12, 2013
Motor and disk drive apparatus
NIDEC CORP5 citations73
US9316229B2Apr 19, 2016
Motor and fan
NIDEC CORP3 citations71
US10962018B2Mar 30, 2021
Gas dynamic pressure bearing, motor, and blower
NIDEC CORP0 citations63
US10962017B2Mar 30, 2021
Centrifugal fan
NIDEC CORP1 citations61
US11682933B2Jun 20, 2023
Motor and fan motor
NIDEC CORP0 citations52
US11136988B2Oct 5, 2021
Gas dynamic bearing, motor, and blower apparatus
NIDEC CORP0 citations52
US10559998B2Feb 11, 2020
Motor and disk drive apparatus
NIDEC CORP0 citations52
US9909813B2Mar 6, 2018
Heat module
NIDEC CORP1 citations52
US9837872B2Dec 5, 2017
Motor and disk drive apparatus
NIDEC CORP0 citations52
US9429165B2Aug 30, 2016
Bearing mechanism, motor, and blower fan
NIDEC CORP1 citations52
US9599123B2Mar 21, 2017
Blower fan
NIDEC CORP1 citations50
US9388827B2Jul 12, 2016
Blower fan
NIDEC CORP1 citations50
US10030671B2Jul 24, 2018
Heat module
NIDEC CORP0 citations42
US9341214B2May 17, 2016
Sleeve, fluid dynamic pressure bearing including the sleeve, spindle motor including the fluid dynamic pressure bearing and electronic equipment including the spindle motor
NIDEC CORP0 citations41
US9599122B2Mar 21, 2017
Blower fan
NIDEC CORP0 citations39
MITSUBISHI ELECTRIC CORP
12 patentsUS6107864AAug 22, 2000
Charge pump circuit
MITSUBISHI ELECTRIC CORP142 citations98
US10605782B2Mar 31, 2020
Wedge tapping device for rotating electrical machine, wedge inspection system for rotating electrical machine and wedge tapping method for rotating electrical machine
MITSUBISHI ELECTRIC CORP3 citations73
US11831216B2Nov 28, 2023
Linear motor system
MITSUBISHI ELECTRIC CORP2 citations66
US6732998B2May 11, 2004
Method of forming laminated core and electromagnetic type valve driving device
MITSUBISHI ELECTRIC CORP4 citations62
US11926492B2Mar 12, 2024
Linear transport apparatus
MITSUBISHI ELECTRIC CORP1 citations61
US12330880B2Jun 17, 2025
Linear conveyance device
MITSUBISHI ELECTRIC CORP0 citations50
US11353377B2Jun 7, 2022
Wedge looseness inspection device of rotary electric machine
MITSUBISHI ELECTRIC CORP0 citations48
US11021272B2Jun 1, 2021
Control moment gyroscope
MITSUBISHI ELECTRIC CORP0 citations48
US11766774B2Sep 26, 2023
Endless-track traveling apparatus and traveling body
MITSUBISHI ELECTRIC CORP0 citations46
US12269616B2Apr 8, 2025
Capturing device and spacecraft
MITSUBISHI ELECTRIC CORP0 citations44
US10836003B2Nov 17, 2020
Insertion guide and insertion guide device
MITSUBISHI ELECTRIC CORP0 citations38
US10744651B2Aug 18, 2020
Mirror replacement device for a segmented mirror telescope and mirror replacement method thereof
MITSUBISHI ELECTRIC CORP0 citations38