Inventor
KODAMA MITSUO
JP55 patents
⚠️ This page may combine multiple inventors who share the name “KODAMA MITSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRO MECHANICS JAPAN ADVANCED TECHNOLOGY CO LTD
8 patentsUS8786982B1Jul 22, 2014
Disk drive device
SAMSUNG ELECTRO MECHANICS JAPAN ADVANCED TECHNOLOGY CO LTD10 citations84
US8845194B2Sep 30, 2014
Rotary device
SAMSUNG ELECTRO MECHANICS JAPAN ADVANCED TECHNOLOGY CO LTD2 citations62
US8780494B1Jul 15, 2014
Rotating device
SAMSUNG ELECTRO MECHANICS JAPAN ADVANCED TECHNOLOGY CO LTD2 citations61
US8711516B2Apr 29, 2014
Rotating device
SAMSUNG ELECTRO MECHANICS JAPAN ADVANCED TECHNOLOGY CO LTD3 citations61
US8665558B2Mar 4, 2014
Disk drive device
SAMSUNG ELECTRO MECHANICS JAPAN ADVANCED TECHNOLOGY CO LTD0 citations52
US8934196B2Jan 13, 2015
Rotating apparatus with increased inner diameter of bearing hole opening
SAMSUNG ELECTRO MECHANICS JAPAN ADVANCED TECHNOLOGY CO LTD0 citations49
US8854767B2Oct 7, 2014
Disk drive device
SAMSUNG ELECTRO MECHANICS JAPAN ADVANCED TECHNOLOGY CO LTD1 citations46
US8885293B2Nov 11, 2014
Rotating device and manufacturing method thereof
SAMSUNG ELECTRO MECHANICS JAPAN ADVANCED TECHNOLOGY CO LTD0 citations44
KODAMA MITSUO
8 patentsUS8807836B2Aug 19, 2014
Rotating device
KODAMA MITSUO7 citations82
US8427777B2Apr 23, 2013
Disk drive device provided with lubricant-filled fluid dynamic bearing
KODAMA MITSUO5 citations72
US8608384B2Dec 17, 2013
Rotating device
KODAMA MITSUO2 citations60
US8607442B2Dec 17, 2013
Rotating apparatus capable of improving the shock resistance
KODAMA MITSUO4 citations59
US9059618B2Jun 16, 2015
Method of producing rotating machine provided with sleeve molded of porous material
KODAMA MITSUO0 citations51
US8634160B2Jan 21, 2014
Disk drive device provided with lubricant-filled fluid dynamic bearing
KODAMA MITSUO1 citations51
US8250735B2Aug 28, 2012
Motor adopting improved mechanism
KODAMA MITSUO1 citations51
US8757883B2Jun 24, 2014
Disk drive device
KODAMA MITSUO0 citations41
VICTOR COMPANY OF JAPAN
7 patentsUS7265469B2Sep 4, 2007
Spindle motor having dynamic pressure fluid bearing
VICTOR COMPANY OF JAPAN12 citations84
US6657342B2Dec 2, 2003
Spindle motor having dynamic pressure bearing
VICTOR COMPANY OF JAPAN13 citations84
US6144126ANov 7, 2000
Magnetic disc driving apparatus
VICTOR COMPANY OF JAPAN16 citations84
US7105970B2Sep 12, 2006
Cored motor
VICTOR COMPANY OF JAPAN14 citations77
US7285886B2Oct 23, 2007
Motor
VICTOR COMPANY OF JAPAN6 citations74
US7204642B2Apr 17, 2007
Spindle motor
VICTOR COMPANY OF JAPAN9 citations74
US7345393B2Mar 18, 2008
Cored motor
VICTOR COMPANY OF JAPAN1 citations49
NIDEC CORP
5 patentsUS10236745B2Mar 19, 2019
Motor
NIDEC CORP4 citations73
US10938262B2Mar 2, 2021
Motor and electric power steering device
NIDEC CORP5 citations72
US10910924B2Feb 2, 2021
Motor
NIDEC CORP5 citations72
US9422974B2Aug 23, 2016
Fluid bearing apparatus including dynamic pressure grooves with striations, spindle motor, and disk drive apparatus
NIDEC CORP2 citations62
US9964148B2May 8, 2018
Fluid dynamic bearing apparatus, spindle motor, and disk drive apparatus
NIDEC CORP0 citations42
ALPHANA TECHNOLOGY CO LTD
5 patentsUS7745968B2Jun 29, 2010
Motor and disc drive with motor
ALPHANA TECHNOLOGY CO LTD7 citations68
US7612476B2Nov 3, 2009
Motor
ALPHANA TECHNOLOGY CO LTD4 citations63
US7525226B2Apr 28, 2009
Dynamic pressure bearing and motor using the same
ALPHANA TECHNOLOGY CO LTD5 citations63
US8693137B2Apr 8, 2014
Fluid dynamic bearing unit and rotating device
ALPHANA TECHNOLOGY CO LTD2 citations62
US8922944B2Dec 30, 2014
Rotating device
ALPHANA TECHNOLOGY CO LTD0 citations50
SUMITOMO ELECTRIC INDUSTRIES
4 patentsUS4277283AJul 7, 1981
Sintered hard metal and the method for producing the same
SUMITOMO ELECTRIC INDUSTRIES108 citations96
US4150195AApr 17, 1979
Surface-coated cemented carbide article and a process for the production thereof
SUMITOMO ELECTRIC INDUSTRIES57 citations96
US4639352AJan 27, 1987
Hard alloy containing molybdenum
SUMITOMO ELECTRIC INDUSTRIES33 citations92
US4384884AMay 24, 1983
Process for the production of a hard solid solution containing molybdenum
SUMITOMO ELECTRIC INDUSTRIES7 citations73
YAMADA TAKUJI
4 patentsUS8243383B2Aug 14, 2012
Disk drive device provided with fluid dynamic bearing
YAMADA TAKUJI10 citations82
US8665556B2Mar 4, 2014
Disk drive device provided with fluid dynamic bearing
YAMADA TAKUJI4 citations71
US8506168B2Aug 13, 2013
Disk drive device improved in anti-vibration characteristic
YAMADA TAKUJI2 citations62
US8427778B2Apr 23, 2013
Disk drive device provided with fluid dynamic bearing
YAMADA TAKUJI2 citations61
SAMSUNG ELECTRO MECHANICS JAPAN ADVANCED TECHNOLOG
3 patentsUS9082448B2Jul 14, 2015
Disk drive device with structure that can suppress vaporization and diffusion of lubricant
SAMSUNG ELECTRO MECHANICS JAPAN ADVANCED TECHNOLOG2 citations61
US9064531B2Jun 23, 2015
Rotating apparatus capable of improving the shock resistance and method for manufacturing the rotating apparatus
SAMSUNG ELECTRO MECHANICS JAPAN ADVANCED TECHNOLOG0 citations49
US9087547B2Jul 21, 2015
Disk drive device with a flourescent lubricant
SAMSUNG ELECTRO MECHANICS JAPAN ADVANCED TECHNOLOG0 citations41
CENTRAL GLASS CO LTD
2 patentsKISHIMOTO TAKAYOSHI
1 patentWATANABE TAKANORI
1 patentPANASONIC IP MAN CO LTD
1 patentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
1 patentShowing the top 50 of 55 patents by PatentIndex Score.