Inventor
SEMBA AKITOMI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “SEMBA AKITOMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
20 patentsUS6201323B1Mar 13, 2001
Rotating machine
HITACHI LTD19 citations92
US6359361B1Mar 19, 2002
Armature winding and rotating electric machine using the same
HITACHI LTD22 citations91
US7898128B2Mar 1, 2011
Forced cooling rotary electric machine
HITACHI LTD7 citations82
US6936939B2Aug 30, 2005
Rotating electric machine and cooling method thereof
HITACHI LTD13 citations82
US6538351B2Mar 25, 2003
Rotating machine with plural coolers in plural ventilation passages
HITACHI LTD10 citations82
US6359351B1Mar 19, 2002
Rotating machine
HITACHI LTD11 citations82
US6265795B1Jul 24, 2001
Rotating machine
HITACHI LTD12 citations82
US6262502B1Jul 17, 2001
Rotating machine
HITACHI LTD14 citations82
US6262501B1Jul 17, 2001
Rotating machine
HITACHI LTD13 citations81
US7832934B2Nov 16, 2010
Thrust bearing device
HITACHI LTD7 citations73
US6316852B1Nov 13, 2001
Rotating machine
HITACHI LTD11 citations73
US6724107B1Apr 20, 2004
Dynamo-electric machine
HITACHI LTD6 citations72
US7939977B2May 10, 2011
Rotary electrical device having particular coil support structure
HITACHI LTD4 citations62
US7825559B2Nov 2, 2010
Rotating machine
HITACHI LTD3 citations62
US7638909B2Dec 29, 2009
Rotor of rotary-electric machine
HITACHI LTD5 citations62
US6737768B2May 18, 2004
Rotating electric machine
HITACHI LTD3 citations61
US8049378B2Nov 1, 2011
Forced cooling rotary electric machine
HITACHI LTD4 citations60
US7728473B2Jun 1, 2010
Electric rotating machine and manufacturing method of the same
HITACHI LTD2 citations60
US7521829B2Apr 21, 2009
Electric rotating machine and manufacturing method of the same
HITACHI LTD2 citations60
US7893574B2Feb 22, 2011
Rotor of rotary-electric machine
HITACHI LTD0 citations51