Inventor
KAWAKAMI TAKAHIRO
JP145 patents
⚠️ This page may combine multiple inventors who share the name “KAWAKAMI TAKAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEMICONDUCTOR ENERGY LAB
21 patentsUS8883351B2Nov 11, 2014
Graphene and power storage device, and manufacturing method thereof
SEMICONDUCTOR ENERGY LAB43 citations98
US8945772B2Feb 3, 2015
Power storage device
SEMICONDUCTOR ENERGY LAB30 citations94
US8017252B2Sep 13, 2011
Light emitting device and electronic appliance using the same
SEMICONDUCTOR ENERGY LAB18 citations93
US7883788B2Feb 8, 2011
Light emitting element, light emitting device, and electronic device
SEMICONDUCTOR ENERGY LAB13 citations93
US7790296B2Sep 7, 2010
Light emitting element, light emitting device, and electronic device
SEMICONDUCTOR ENERGY LAB10 citations93
US7626198B2Dec 1, 2009
Nonlinear element, element substrate including the nonlinear element, and display device
SEMICONDUCTOR ENERGY LAB21 citations93
US7521855B2Apr 21, 2009
Electronic appliance and light-emitting device
SEMICONDUCTOR ENERGY LAB16 citations93
US7495257B2Feb 24, 2009
Light emitting device
SEMICONDUCTOR ENERGY LAB19 citations93
US9385366B2Jul 5, 2016
Positive electrode for secondary battery, secondary battery, and method for fabricating positive electrode for secondary battery
SEMICONDUCTOR ENERGY LAB18 citations92
US9293236B2Mar 22, 2016
Lithium—manganese composite oxide, secondary battery, and electric device
SEMICONDUCTOR ENERGY LAB21 citations92
US9899678B2Feb 20, 2018
Positive electrode active material of power storage device, power storage device, electrically propelled vehicle, and method for manufacturing power storage device
SEMICONDUCTOR ENERGY LAB5 citations84
US9882211B2Jan 30, 2018
Lithium-ion secondary battery and electronic device
SEMICONDUCTOR ENERGY LAB6 citations84
US9666326B2May 30, 2017
Lithium manganese oxide composite, secondary battery, and manufacturing method thereof
SEMICONDUCTOR ENERGY LAB18 citations84
US9196638B2Nov 24, 2015
Light emitting device
SEMICONDUCTOR ENERGY LAB9 citations84
US8815419B2Aug 26, 2014
Light emitting device and electronic appliance using the same
SEMICONDUCTOR ENERGY LAB9 citations84
US8692454B2Apr 8, 2014
Electronic appliance and light-emitting device
SEMICONDUCTOR ENERGY LAB4 citations84
US8048543B2Nov 1, 2011
Light emitting element, light emitting device, and electronic device
SEMICONDUCTOR ENERGY LAB7 citations84
US7528418B2May 5, 2009
Light-emitting device
SEMICONDUCTOR ENERGY LAB9 citations83
US7315047B2Jan 1, 2008
Light-emitting device
SEMICONDUCTOR ENERGY LAB9 citations83
US7274044B2Sep 25, 2007
Light emitting device
SEMICONDUCTOR ENERGY LAB16 citations83
US7560749B2Jul 14, 2009
Light emitting material, light emitting device, and electronic device
SEMICONDUCTOR ENERGY LAB8 citations82
MAKITA CORP
13 patentsUS7096973B2Aug 29, 2006
Power tool
MAKITA CORP54 citations96
US9954418B2Apr 24, 2018
Power tool
MAKITA CORP27 citations93
US9630310B2Apr 25, 2017
Electric tool
MAKITA CORP17 citations92
USD555451SNov 20, 2007
Portable electric hammer drill
MAKITA CORP41 citations92
US10888989B2Jan 12, 2021
Electrical device
MAKITA CORP9 citations86
US10513005B2Dec 24, 2019
Power tool
MAKITA CORP9 citations84
US10155304B2Dec 18, 2018
Electric tool
MAKITA CORP8 citations84
USD830802SOct 16, 2018
Portable electric grinder
MAKITA CORP13 citations84
US9978541B2May 22, 2018
Electric tool
MAKITA CORP16 citations84
USD722853SFeb 24, 2015
Housing for power tool
MAKITA CORP13 citations84
USD696916SJan 7, 2014
Gear cover unit for power tool
MAKITA CORP8 citations84
USD609542SFeb 9, 2010
Portable electric grinder
MAKITA CORP9 citations84
US9539682B2Jan 10, 2017
Power tool having improved tool accessory securing mechanism
MAKITA CORP12 citations83
KAWAKAMI TAKAHIRO
4 patentsUS8927148B2Jan 6, 2015
Power storage device
KAWAKAMI TAKAHIRO16 citations92
US8597830B2Dec 3, 2013
Power storage device
KAWAKAMI TAKAHIRO24 citations90
US8698022B2Apr 15, 2014
Seal structure for switch mechanism and electric power tool
KAWAKAMI TAKAHIRO18 citations84
US8624257B2Jan 7, 2014
Light emitting device
KAWAKAMI TAKAHIRO9 citations84
IWAKI YUJI
4 patentsUS8541114B2Sep 24, 2013
Light emitting device and electronic appliance using the same
IWAKI YUJI14 citations92
US8252434B2Aug 28, 2012
Light emitting device and electronic appliance using the same
IWAKI YUJI17 citations92
US9224968B2Dec 29, 2015
Light-emitting element, light-emitting device, and electronic appliance
IWAKI YUJI6 citations84
US8227982B2Jul 24, 2012
Light-emitting element, light-emitting device, and electronic appliance
IWAKI YUJI11 citations84
KAO CORP
2 patentsSHARP KK
2 patentsHONDA MOTOR CO LTD
1 patentOKUDA SHINSUKE
1 patentCALSONIC KANSEI CORP
1 patentPCN CORP
1 patentShowing the top 50 of 145 patents by PatentIndex Score.