Inventor
GUNJI AKIRA
JP23 patents
⚠️ This page may combine multiple inventors who share the name “GUNJI AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI METALS LTD
10 patentsUS10461328B2Oct 29, 2019
Cathode active material used for lithium ion secondary battery and lithium ion secondary battery using same
HITACHI METALS LTD2 citations72
US10256466B2Apr 9, 2019
Positive-electrode material for lithium ion secondary battery, method and producing the same, and lithium ion secondary battery
HITACHI METALS LTD3 citations71
US10193150B2Jan 29, 2019
Lithium ion secondary battery cathode material, lithium ion secondary battery cathode and lithium ion secondary battery that use same, and method for manufacturing lithium ion secondary battery cathode material
HITACHI METALS LTD1 citations62
US11646412B2May 9, 2023
Cathode active material used for lithium ion secondary battery and lithium ion secondary battery
HITACHI METALS LTD1 citations61
US11581534B2Feb 14, 2023
Positive-electrode material for lithium ion secondary battery, method for producing the same, and lithium ion secondary battery
HITACHI METALS LTD0 citations60
US11011751B2May 18, 2021
Positive electrode active material for lithium ion secondary battery, manufacturing method thereof, and lithium ion secondary battery
HITACHI METALS LTD0 citations60
US10749175B2Aug 18, 2020
Positive-electrode material for lithium ion secondary battery, method for producing the same, and lithium ion secondary battery
HITACHI METALS LTD0 citations50
US10749176B2Aug 18, 2020
Cathode active material used for lithium ion secondary battery, method for producing same, and lithium ion secondary battery
HITACHI METALS LTD0 citations50
US10727484B2Jul 28, 2020
Cathode active substance used for lithium ion secondary battery, cathode including same, and lithium ion secondary battery provided with cathode
HITACHI METALS LTD0 citations41
US10388944B2Aug 20, 2019
Positive electrode active material for lithium ion secondary battery, and positive electrode for lithium ion secondary battery and lithium ion secondary battery comprising the same
HITACHI METALS LTD0 citations39
PROTERIAL LTD
4 patentsUS11949100B2Apr 2, 2024
Cathode active material used for lithium ion secondary battery and lithium ion secondary battery
PROTERIAL LTD0 citations61
US11764356B2Sep 19, 2023
Method for producing positive electrode active material for lithium ion secondary batteries
PROTERIAL LTD0 citations50
US11688847B2Jun 27, 2023
Method and firing apparatus for manufacturing cathode active material for lithium ion secondary battery
PROTERIAL LTD0 citations50
US11677075B2Jun 13, 2023
Cathode active material for lithium ion secondary battery, method for manufacturing cathode active material for lithium ion secondary battery, and lithium ion secondary
PROTERIAL LTD0 citations50
GUNJI AKIRA
3 patentsUS8828584B2Sep 9, 2014
Lithium-ion rechargeable battery module, vehicle with the battery module and generating system with the battery module
GUNJI AKIRA3 citations59
US9023522B2May 5, 2015
Cathode for lithium-ion secondary battery, lithium-ion secondary battery, vehicle and power storage system equipped with the battery
GUNJI AKIRA0 citations39
US8173317B2May 8, 2012
Fuel cells power generation system
GUNJI AKIRA0 citations38