Inventor
YAMAKAJI MASAKI
JP39 patents
⚠️ This page may combine multiple inventors who share the name “YAMAKAJI MASAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEMICONDUCTOR ENERGY LAB
30 patentsUS9843073B2Dec 12, 2017
Secondary battery
SEMICONDUCTOR ENERGY LAB16 citations92
US9385366B2Jul 5, 2016
Positive electrode for secondary battery, secondary battery, and method for fabricating positive electrode for secondary battery
SEMICONDUCTOR ENERGY LAB18 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
US9373834B2Jun 21, 2016
Method for forming positive electrode for lithium-ion secondary battery
SEMICONDUCTOR ENERGY LAB7 citations83
US9293770B2Mar 22, 2016
Graphene oxide, positive electrode for nonaqueous secondary battery using graphene oxide, method of manufacturing positive electrode for nonaqueous secondary battery, nonaqueous secondary battery, and electronic device
SEMICONDUCTOR ENERGY LAB13 citations83
US11670807B2Jun 6, 2023
Flexible battery and electronic device
SEMICONDUCTOR ENERGY LAB1 citations73
US11121405B2Sep 14, 2021
Secondary battery
SEMICONDUCTOR ENERGY LAB1 citations73
US10886572B2Jan 5, 2021
Flexible battery and electronic device
SEMICONDUCTOR ENERGY LAB1 citations73
US10608290B2Mar 31, 2020
Flexible battery and electronic device
SEMICONDUCTOR ENERGY LAB2 citations73
US10381646B2Aug 13, 2019
Secondary battery, graphene oxide, and manufacturing method thereof
SEMICONDUCTOR ENERGY LAB3 citations72
US9768443B2Sep 19, 2017
Positive electrode for nonaqueous secondary battery, method for forming the same, nonaqueous secondary battery, and electrical device
SEMICONDUCTOR ENERGY LAB2 citations72
US12176485B2Dec 24, 2024
Secondary battery
SEMICONDUCTOR ENERGY LAB0 citations62
US12027702B2Jul 2, 2024
Positive electrode active material of power storage device, power storage device, electrically propelled vehicle, and method for manufacturing power storage
SEMICONDUCTOR ENERGY LAB0 citations62
US11962013B2Apr 16, 2024
Positive electrode for secondary battery and manufacturing method of positive electrode for secondary battery
SEMICONDUCTOR ENERGY LAB0 citations62
US11888113B2Jan 30, 2024
Secondary battery
SEMICONDUCTOR ENERGY LAB0 citations62
US11515517B2Nov 29, 2022
Positive electrode for nonaqueous secondary battery, method for forming the same, nonaqueous secondary battery, and electrical device
SEMICONDUCTOR ENERGY LAB1 citations62
US11495826B2Nov 8, 2022
Graphene compound and manufacturing method thereof, electrolyte, and power storage device
SEMICONDUCTOR ENERGY LAB0 citations62
US11437622B2Sep 6, 2022
Secondary battery, graphene oxide, and manufacturing method thereof
SEMICONDUCTOR ENERGY LAB0 citations62
US11108038B2Aug 31, 2021
Positive electrode for secondary battery, secondary battery, and method for fabricating positive electrode for secondary battery
SEMICONDUCTOR ENERGY LAB1 citations62
US10944110B2Mar 9, 2021
Secondary battery, graphene oxide, and manufacturing method thereof
SEMICONDUCTOR ENERGY LAB0 citations62
US10938035B2Mar 2, 2021
Manufacturing method of electrode for secondary battery
SEMICONDUCTOR ENERGY LAB1 citations62
US10916774B2Feb 9, 2021
Positive electrode active material of power storage device, power storage device, electrically propelled vehicle, and method for manufacturing power storage
SEMICONDUCTOR ENERGY LAB0 citations62
US10658701B2May 19, 2020
Storage battery, battery control unit, and electronic device
SEMICONDUCTOR ENERGY LAB1 citations62
US10403879B2Sep 3, 2019
Electrolytic solution, secondary battery, electronic device, and method of manufacturing electrode
SEMICONDUCTOR ENERGY LAB1 citations62
US10272594B2Apr 30, 2019
Method for manufacturing positive electrode active material for power storage device
SEMICONDUCTOR ENERGY LAB1 citations62
US10707524B2Jul 7, 2020
Graphene compound and manufacturing method thereof, electrolyte, and power storage device
SEMICONDUCTOR ENERGY LAB0 citations52
US10256467B2Apr 9, 2019
Electrode material and method for forming electrode material
SEMICONDUCTOR ENERGY LAB0 citations52
US10224548B2Mar 5, 2019
Positive electrode active material of power storage device, power storage device, electrically propelled vehicle, and method for manufacturing power storage
SEMICONDUCTOR ENERGY LAB0 citations52
US10164243B2Dec 25, 2018
Method for manufacturing positive electrode active material for energy storage device and energy storage device
SEMICONDUCTOR ENERGY LAB0 citations52
US10770729B2Sep 8, 2020
Electrode, power storage device, and electronic equipment
SEMICONDUCTOR ENERGY LAB0 citations42
YAMAKAJI MASAKI
4 patentsUS8669009B2Mar 11, 2014
Positive electrode active material of power storage device, positive electrode of power storage device, power storage device, manufacturing method of positive electrode active material of power storage device
YAMAKAJI MASAKI26 citations91
US9419271B2Aug 16, 2016
Electrode material and method for forming electrode material
YAMAKAJI MASAKI0 citations51
US8715525B2May 6, 2014
Manufacturing method of electrode material
YAMAKAJI MASAKI1 citations51
US8992795B2Mar 31, 2015
Method for manufacturing positive electrode active material for power storage device
YAMAKAJI MASAKI0 citations50
KAWAKAMI TAKAHIRO
3 patentsUS8597830B2Dec 3, 2013
Power storage device
KAWAKAMI TAKAHIRO24 citations90
US9318741B2Apr 19, 2016
Positive electrode active material of power storage device, power storage device, electrically propelled vehicle, and method for manufacturing power storage device
KAWAKAMI TAKAHIRO3 citations73
US8728653B2May 20, 2014
Power storage device
KAWAKAMI TAKAHIRO0 citations49