Inventor
OONO KOUJI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “OONO KOUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO OSAKA CEMENT CO LTD
10 patentsUS11228035B2Jan 18, 2022
Positive electrode material for lithium ion secondary battery, positive electrode for lithium ion secondary battery, and lithium ion secondary battery
SUMITOMO OSAKA CEMENT CO LTD2 citations71
US11289690B2Mar 29, 2022
Electrode material, method for manufacturing electrode material, electrode, and lithium ion battery
SUMITOMO OSAKA CEMENT CO LTD0 citations61
US11189826B2Nov 30, 2021
Electrode material for lithium ion secondary battery, electrode for lithium ion secondary battery, and lithium ion secondary battery
SUMITOMO OSAKA CEMENT CO LTD1 citations61
US11769875B2Sep 26, 2023
Electrode material, method for manufacturing electrode material, electrode, and lithium ion battery
SUMITOMO OSAKA CEMENT CO LTD0 citations50
US11245110B2Feb 8, 2022
Positive electrode material for lithium ion polymer battery, positive electrode for lithium ion polymer battery, and lithium ion polymer battery
SUMITOMO OSAKA CEMENT CO LTD0 citations50
US11171321B2Nov 9, 2021
Electrode material and method for manufacturing the same
SUMITOMO OSAKA CEMENT CO LTD0 citations50
US9722250B2Aug 1, 2017
Electrode material and method for manufacturing same
SUMITOMO OSAKA CEMENT CO LTD0 citations50
US9979013B2May 22, 2018
Electrode material, paste, electrode plate, and lithium ion battery
SUMITOMO OSAKA CEMENT CO LTD0 citations49
US10804529B2Oct 13, 2020
Electrode material, method for manufacturing electrode material, electrode, and lithium ion battery
SUMITOMO OSAKA CEMENT CO LTD0 citations40
US10483589B2Nov 19, 2019
Lithium-ion secondary battery
SUMITOMO OSAKA CEMENT CO LTD0 citations40
SUMITOMO METAL MINING CO
2 patentsUS12394794B2Aug 19, 2025
Positive electrode active material, high-temperature operation type lithium-ion polymer secondary battery, high-temperature operation type lithium ion inorganic all-solid-state secondary battery
SUMITOMO METAL MINING CO0 citations61
US11699807B2Jul 11, 2023
Positive electrode material for lithium ion secondary batteries, positive electrode for lithium ion secondary batteries, and lithium ion secondary battery
SUMITOMO METAL MINING CO1 citations60
OONO KOUJI
2 patentsUS9496554B2Nov 15, 2016
Positive electrode active material for lithium ion battery, method of producing the same, electrode for lithium ion battery, and lithium ion battery
OONO KOUJI0 citations45
US9231244B2Jan 5, 2016
Positive electrode active material for lithium ion battery, method of producing the same, electrode for lithium ion battery, and lithium ion battery
OONO KOUJI0 citations34