Inventor
MINEGISHI KIYOJI
JP44 patents
⚠️ This page may combine multiple inventors who share the name “MINEGISHI KIYOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO HEAVY INDUSTRIES
35 patentsUS7105964B2Sep 12, 2006
Electric rotating machine
SUMITOMO HEAVY INDUSTRIES27 citations92
US6440030B1Aug 27, 2002
Driving apparatus
SUMITOMO HEAVY INDUSTRIES33 citations92
US5286237AFeb 15, 1994
Inscribed meshing planetary gear construction
SUMITOMO HEAVY INDUSTRIES50 citations92
US5497041AMar 5, 1996
Low speed geared motor
SUMITOMO HEAVY INDUSTRIES26 citations91
US5651747AJul 29, 1997
Series of geared motors
SUMITOMO HEAVY INDUSTRIES32 citations90
US5433672AJul 18, 1995
Inscribed meshing planetary gear construction
SUMITOMO HEAVY INDUSTRIES31 citations89
US5375479ADec 27, 1994
Series and a series-group of orthogonal gear reducers with motors
SUMITOMO HEAVY INDUSTRIES32 citations86
US7938748B2May 10, 2011
Power transmission device and method of producing the same
SUMITOMO HEAVY INDUSTRIES9 citations84
US6722493B2Apr 20, 2004
Conveyor roller drive device and drive roller assembly
SUMITOMO HEAVY INDUSTRIES16 citations83
US6378206B1Apr 30, 2002
Method of fabricating pin retaining ring for internal gear, internal meshing planetary gear structure, and hydraulic motor pump
SUMITOMO HEAVY INDUSTRIES15 citations82
US7147582B2Dec 12, 2006
Power transmission device
SUMITOMO HEAVY INDUSTRIES16 citations80
US5116291AMay 26, 1992
Motor driven wheel using hypocyclic planetary bearing with axial positive engagement means
SUMITOMO HEAVY INDUSTRIES21 citations80
US5203231AApr 20, 1993
Motor-equipped orthogonal gear device
SUMITOMO HEAVY INDUSTRIES20 citations79
US5290208AMar 1, 1994
Series of speed increasing and reduction gear employing an inscribed meshing type planetary gear construction
SUMITOMO HEAVY INDUSTRIES18 citations74
US5279174AJan 18, 1994
Worm speed reducer, and manufacturing method for worm and worm wheel
SUMITOMO HEAVY INDUSTRIES12 citations74
US4909100AMar 20, 1990
Differential gear device incorporating internal meshing type planetary reduction gear
SUMITOMO HEAVY INDUSTRIES11 citations74
US4770062ASep 13, 1988
Planetary gear apparatus
SUMITOMO HEAVY INDUSTRIES12 citations74
US4561833ADec 31, 1985
Fluid pressure device
SUMITOMO HEAVY INDUSTRIES7 citations74
US6918572B2Jul 19, 2005
Valve drive unit and series thereof
SUMITOMO HEAVY INDUSTRIES10 citations73
US6595889B2Jul 22, 2003
Belt-type door opening and closing drive apparatus
SUMITOMO HEAVY INDUSTRIES10 citations73
US6485394B1Nov 26, 2002
Geared motor and geared motor series
SUMITOMO HEAVY INDUSTRIES11 citations73
US6155950ADec 5, 2000
Inner roller and outer roller in internal-meshing planetary gear construction, and methods of fabricating them
SUMITOMO HEAVY INDUSTRIES7 citations73
US5992020ANov 30, 1999
Method of fabricating inner roller and outer roller in internal-meshing planetary gear construction
SUMITOMO HEAVY INDUSTRIES8 citations73
US5222922AJun 29, 1993
Inscribed meshing planetary gear construction
SUMITOMO HEAVY INDUSTRIES19 citations73
US4843911AJul 4, 1989
Speed reducing or increasing planetary gear apparatus
SUMITOMO HEAVY INDUSTRIES12 citations73
US6174223B1Jan 16, 2001
Method and apparatus for polishing external-tooth gears
SUMITOMO HEAVY INDUSTRIES14 citations72
US5352163AOct 4, 1994
Step-up or reduction gear series using internally meshing planetary gear structure
SUMITOMO HEAVY INDUSTRIES12 citations71
US6869378B2Mar 22, 2005
Series of motors with speed reducers
SUMITOMO HEAVY INDUSTRIES11 citations70
US6817467B2Nov 16, 2004
Conveyor drive system and motor built-in reducer therefor
SUMITOMO HEAVY INDUSTRIES3 citations62
US6436000B1Aug 20, 2002
Shaft coupling structure with speed change function
SUMITOMO HEAVY INDUSTRIES5 citations62
US5867902AFeb 9, 1999
Methods of fabricating inner roller and outer roller in internal-meshing planetary gear construction
SUMITOMO HEAVY INDUSTRIES2 citations62
US5291798AMar 8, 1994
Geared motor for self-travelling carrier
SUMITOMO HEAVY INDUSTRIES6 citations60
US5239881AAug 31, 1993
Variable speed geared motor and a series thereof
SUMITOMO HEAVY INDUSTRIES5 citations60
US7410439B2Aug 12, 2008
Reducer
SUMITOMO HEAVY INDUSTRIES1 citations52
US6443868B1Sep 3, 2002
Frictional planetary roller mechanism and brake
SUMITOMO HEAVY INDUSTRIES1 citations51
MIDEA GROUP CO LTD
6 patentsUS12152666B2Nov 26, 2024
Internal meshing planetary gear apparatus and robot joint apparatus
MIDEA GROUP CO LTD0 citations59
US12398794B2Aug 26, 2025
Harmonic gear device and actuator
MIDEA GROUP CO LTD0 citations49
US12330299B2Jun 17, 2025
Internally engaged planetary gear device and robot joint device
MIDEA GROUP CO LTD0 citations49
US12326181B2Jun 10, 2025
Internal-meshing planetary gear device
MIDEA GROUP CO LTD0 citations49
US12296475B2May 13, 2025
Internally meshing planetary gear apparatus and joint apparatus for robot
MIDEA GROUP CO LTD0 citations49
US12297896B2May 13, 2025
Harmonic gear device and actuator
MIDEA GROUP CO LTD0 citations49
MINEGISHI KIYOJI
3 patentsUS8574083B2Nov 5, 2013
Power transmission device and joint unit of power transmission device
MINEGISHI KIYOJI4 citations51
US8701514B2Apr 22, 2014
Speed reducer used for wind power generation facility
MINEGISHI KIYOJI0 citations50
US8317649B2Nov 27, 2012
Output gear-equipped reduction device and method of assembling the same
MINEGISHI KIYOJI0 citations39