Inventor
KOYAMA TAKAYUKI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
6 patentsUS9077223B2Jul 7, 2015
Electrical rotating machine
HITACHI LTD10 citations80
US7649299B2Jan 19, 2010
Rotating electrical machine and alternating-current generator
HITACHI LTD3 citations61
US10243430B2Mar 26, 2019
Rotating electrical machine with rotor and stator, with a stator core including packet cores
HITACHI LTD0 citations51
US10097059B2Oct 9, 2018
Rotating electric machine
HITACHI LTD1 citations47
US10075112B2Sep 11, 2018
Field winding type synchronous machine
HITACHI LTD0 citations41
US9276506B2Mar 1, 2016
Field winding type synchronous motor
HITACHI LTD0 citations41
MITSUBISHI HEAVY IND LTD
4 patentsUS10071794B2Sep 11, 2018
Joint, and aircraft structure
MITSUBISHI HEAVY IND LTD3 citations72
US10040538B2Aug 7, 2018
Joint, and aircraft structure
MITSUBISHI HEAVY IND LTD4 citations72
US10195789B2Feb 5, 2019
Composite structure and method for molding composite structure
MITSUBISHI HEAVY IND LTD1 citations62
US10562243B2Feb 18, 2020
FRP shaping jig and method of shaping FRP structure
MITSUBISHI HEAVY IND LTD0 citations50
HITACHI INDUSTRIAL PRODUCTS LTD
4 patentsUS11075570B2Jul 27, 2021
Rotary electric machine and drive system using same
HITACHI INDUSTRIAL PRODUCTS LTD0 citations59
US11973397B2Apr 30, 2024
Dynamo-electric machine
HITACHI INDUSTRIAL PRODUCTS LTD0 citations51
US10965184B2Mar 30, 2021
Rotary electric machine
HITACHI INDUSTRIAL PRODUCTS LTD0 citations47
US10797565B2Oct 6, 2020
Motor with inner fan
HITACHI INDUSTRIAL PRODUCTS LTD0 citations34