Inventor
AOTA KINYA
JP67 patents
⚠️ This page may combine multiple inventors who share the name “AOTA KINYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
41 patentsUS7036707B2May 2, 2006
Friction stir welding method, frame members used therein, and product formed thereby
HITACHI LTD76 citations99
US6193137B1Feb 27, 2001
Constructive body and friction stir welding method
HITACHI LTD145 citations99
US6299050B1Oct 9, 2001
Friction stir welding apparatus and method
HITACHI LTD127 citations98
US6581819B1Jun 24, 2003
Panel structure, a friction stir welding method, and a panel
HITACHI LTD66 citations97
US6305866B1Oct 23, 2001
Structure joined by friction stir welding
HITACHI LTD60 citations97
US6237829B1May 29, 2001
Friction stir welding apparatus
HITACHI LTD59 citations97
US6050474AApr 18, 2000
Friction stir welding method, frame members used therein, and product formed thereby
HITACHI LTD222 citations97
US7178303B2Feb 20, 2007
Friction stir welding hollow frame member
HITACHI LTD17 citations96
US6862860B2Mar 8, 2005
Friction stir welding method of opposite sides of panels
HITACHI LTD24 citations96
US6840426B2Jan 11, 2005
Friction stir welding method and structure body formed by friction stir welding
HITACHI LTD38 citations96
US6619534B2Sep 16, 2003
Friction stir welding method using members which overlap and have protrusion at the weld location prior to the welding
HITACHI LTD22 citations96
US6585443B2Jul 1, 2003
Structural body formed by friction stir welding two members, one of which has a protruding portion
HITACHI LTD22 citations96
US6419144B2Jul 16, 2002
Method of forming structural body using friction stir welding, and structural body formed
HITACHI LTD32 citations96
US6382498B2May 7, 2002
Friction stir welding method including positioning of rotary tool, and structural body formed thereby
HITACHI LTD37 citations96
US6378754B2Apr 30, 2002
Friction stir welding method including removal of protruding portion, and structural body formed thereby
HITACHI LTD32 citations96
US6527470B2Mar 4, 2003
Structural body and friction stir welding method
HITACHI LTD29 citations93
US7665651B2Feb 23, 2010
Method of joining two members by friction stir welding
HITACHI LTD10 citations92
US7114304B2Oct 3, 2006
Friction stir welding member
HITACHI LTD11 citations92
US7097091B2Aug 29, 2006
Friction stir welding method and component part welded by the method
HITACHI LTD18 citations92
US6936332B2Aug 30, 2005
Extruded frame member for use in friction stir welding
HITACHI LTD17 citations92
US6866181B2Mar 15, 2005
Friction stir welding method
HITACHI LTD47 citations92
US6739495B2May 25, 2004
Friction stir welding method and component part welded by the method
HITACHI LTD19 citations92
US6607837B2Aug 19, 2003
Structural body formed by friction stir welding method
HITACHI LTD15 citations92
US6595403B2Jul 22, 2003
Friction stir welding method
HITACHI LTD27 citations92
US6540128B2Apr 1, 2003
Friction stir welding method and apparatus, and welded structure
HITACHI LTD19 citations91
US7480992B2Jan 27, 2009
Cooling plate and manufacturing method thereof, and sputtering target and manufacturing method thereof
HITACHI LTD17 citations84
US6722286B2Apr 20, 2004
Structure and railway car
HITACHI LTD18 citations84
US7520104B2Apr 21, 2009
Friction stir welding member
HITACHI LTD7 citations82
US6966481B2Nov 22, 2005
Friction stir welding method
HITACHI LTD7 citations82
US6640515B1Nov 4, 2003
Frame member used in friction stir welding
HITACHI LTD12 citations82
US7661575B2Feb 16, 2010
Friction stirring-welding method
HITACHI LTD7 citations74
US7416769B2Aug 26, 2008
Friction stir welding member
HITACHI LTD2 citations74
US7073701B2Jul 11, 2006
Method of joining two members by friction stir welding
HITACHI LTD5 citations74
US7056594B2Jun 6, 2006
Friction stir welding method and structure body
HITACHI LTD5 citations74
US7032804B2Apr 25, 2006
Friction stir welding method and structure body
HITACHI LTD2 citations74
US6978923B2Dec 27, 2005
Friction stir welding method
HITACHI LTD2 citations74
US6953144B2Oct 11, 2005
Friction stir wilding method and structure body
HITACHI LTD4 citations74
US6716538B2Apr 6, 2004
Structural body formed by friction stir welding
HITACHI LTD2 citations74
US6530713B2Mar 11, 2003
Structural body
HITACHI LTD4 citations74
US7562802B2Jul 21, 2009
Friction stir welding method and structure body formed
HITACHI LTD0 citations63
US7513409B2Apr 7, 2009
Friction stir welding method and structure body
HITACHI LTD0 citations63
HITACHI VEHICLE ENERGY LTD
4 patentsUSD644176SAug 30, 2011
Battery
HITACHI VEHICLE ENERGY LTD17 citations90
USD642978SAug 9, 2011
Battery
HITACHI VEHICLE ENERGY LTD18 citations90
US7867644B2Jan 11, 2011
Secondary battery and secondary battery manufacturing method
HITACHI VEHICLE ENERGY LTD8 citations83
USD644178SAug 30, 2011
Battery
HITACHI VEHICLE ENERGY LTD8 citations82
HITACHI METALS LTD
3 patentsUS10576538B2Mar 3, 2020
Alloy structure and method for producing alloy structure
HITACHI METALS LTD31 citations94
US10787725B2Sep 29, 2020
High entropy alloy article, method for manufacturing same, and product using same
HITACHI METALS LTD29 citations91
US11141791B2Oct 12, 2021
Alloy article, method for manufacturing same, and product using same
HITACHI METALS LTD2 citations71
(unassigned)
1 patentNAKAI KENJI
1 patentShowing the top 50 of 67 patents by PatentIndex Score.