Inventor
RYOSHI KAZUOMI
JP55 patents
⚠️ This page may combine multiple inventors who share the name “RYOSHI KAZUOMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO METAL MINING CO
48 patentsUS10396356B2Aug 27, 2019
Nickel manganese composite hydroxide particles and manufacturing method thereof, cathode active material for a non-aqueous electrolyte secondary battery and manufacturing method thereof, and a non-aqueous electrolyte secondary battery
SUMITOMO METAL MINING CO10 citations84
US9685656B2Jun 20, 2017
Nickel composite hydroxide and production method thereof, cathode active material for a non-aqueous electrolyte secondary battery and production method thereof, and a nonaqueous electrolyte secondary battery
SUMITOMO METAL MINING CO9 citations84
US9318739B2Apr 19, 2016
Nickel manganese composite hydroxide particles and manufacturing method thereof, cathode active material for a non-aqueous electrolyte secondary battery and manufacturing method thereof, and a non-aqueous electrolyte secondary battery
SUMITOMO METAL MINING CO5 citations84
US10573886B2Feb 25, 2020
Nickel composite hydroxide and process for producing same, positive electrode active material and process for producing same, and non-aqueous electrolyte secondary battery
SUMITOMO METAL MINING CO2 citations73
US10516165B2Dec 24, 2019
Nickel-cobalt-manganese complex hydroxide particles and method for producing same, positive electrode active material for nonaqueous electrolyte secondary battery and method for producing same, and nonaqueous electrolyte secondary battery
SUMITOMO METAL MINING CO3 citations73
US10490815B2Nov 26, 2019
Nickel-cobalt-manganese complex hydroxide particles and method for producing same, positive electrode active material for nonaqueous electrolyte secondary battery and method for producing same, and nonaqueous electrolyte second battery
SUMITOMO METAL MINING CO3 citations73
US10109849B2Oct 23, 2018
Nickel composite hydroxide, cathode active material for non-aqueous electrolyte secondary battery, and methods for producing these
SUMITOMO METAL MINING CO3 citations73
US10044025B2Aug 7, 2018
Nickel manganese composite hydroxide particles and manufacturing method thereof, cathode active material for a non-aqueous electrolyte secondary battery and manufacturing method thereof, and a non-aqueous electrolyte secondary battery
SUMITOMO METAL MINING CO4 citations73
US9882204B2Jan 30, 2018
Nickel composite hydroxide, cathode active material for non-aqueous electrolyte secondary battery, and methods for producing these
SUMITOMO METAL MINING CO5 citations73
US9583764B2Feb 28, 2017
Nickel composite hydroxide and production method thereof, cathode active material for a non-aqueous electrolyte secondary battery and production method thereof, and a nonaqueous electrolyte secondary battery
SUMITOMO METAL MINING CO3 citations73
US9553312B2Jan 24, 2017
Nickel composite hydroxide and production method thereof, cathode active material for a non-aqueous electrolyte secondary battery and production method thereof, and a nonaqueous electrolyte secondary battery
SUMITOMO METAL MINING CO3 citations73
US11605815B2Mar 14, 2023
Nonaqueous electrolyte secondary battery positive electrode active material and method for producing same, and nonaqueous electrolyte secondary battery which uses positive electrode active material
SUMITOMO METAL MINING CO2 citations72
US11217790B2Jan 4, 2022
Positive electrode active material precursor for nonaqueous electrolyte secondary battery, positive electrode active material for nonaqueous electrolyte secondary battery, method for manufacturing positive electrode active material precursor for nonaqueous electrolyte secondary battery, and method for manufacturing positive electrode active material for nonaqueous electrolyte secondary battery
SUMITOMO METAL MINING CO3 citations72
US12562382B2Feb 24, 2026
Nickel manganese cobalt composite hydroxide, method for producing nickel manganese cobalt composite hydroxide, lithium nickel manganese cobalt composite oxide, and lithium ion secondary battery
SUMITOMO METAL MINING CO0 citations62
US12454465B2Oct 28, 2025
Nickel manganese cobalt composite hydroxide, method for producing nickel manganese cobalt composite hydroxide, lithium nickel manganese cobalt composite oxide, and lithium ion secondary battery
SUMITOMO METAL MINING CO0 citations62
US12431494B2Sep 30, 2025
Nickel manganese cobalt composite hydroxide, method for producing nickel manganese cobalt composite hydroxide, lithium nickel manganese cobalt composite oxide, and lithium ion secondary battery
SUMITOMO METAL MINING CO0 citations62
US12381214B2Aug 5, 2025
Non-aqueous electrolyte secondary battery positive electrode active material and method for producing same, and non-aqueous electrolyte secondary battery which uses positive electrode active material
SUMITOMO METAL MINING CO0 citations62
US12381215B2Aug 5, 2025
Nonaqueous electrolyte secondary battery positive electrode active material and method for producing same, and nonaqueous electrolyte secondary battery which uses positive electrode active material
SUMITOMO METAL MINING CO0 citations62
US12249708B2Mar 11, 2025
Positive electrode active material for nonaqueous electrolyte secondary battery, method for producing the same, positive electrode mixture paste for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations62
US11973223B2Apr 30, 2024
Manganese composite hydroxide and process for producing same, positive electrode active material and process for producing same, and non-aqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations62
US11967709B2Apr 23, 2024
Nonaqueous electrolyte secondary battery positive electrode active material and method for producing same, and nonaqueous electrolyte secondary battery which uses positive electrode active material
SUMITOMO METAL MINING CO0 citations62
US11949102B2Apr 2, 2024
Positive electrode active material precursor for nonaqueous electrolyte secondary battery and method for manufacturing positive electrode active material precursor for nonaqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations62
US11909039B2Feb 20, 2024
Nickel-containing composite hydroxide and production process thereof
SUMITOMO METAL MINING CO0 citations62
US11855283B2Dec 26, 2023
Method for evaluating a characteristic of a nonaqueous electrolyte secondary battery positive electrode active material
SUMITOMO METAL MINING CO0 citations62
US11784310B2Oct 10, 2023
Non-aqueous electrolyte secondary battery positive electrode active material, method for producing same, and non-aqueous electrolyte secondary battery which uses positive electrode active material
SUMITOMO METAL MINING CO1 citations62
US11637283B2Apr 25, 2023
Positive electrode active material for non-aqueous electrolyte secondary batteries, production method therefor, and non-aqueous electrolyte secondary batteries using said positive electrode active material
SUMITOMO METAL MINING CO0 citations62
US11394024B2Jul 19, 2022
Nickel-cobalt-manganese complex hydroxide particles and method for producing same, positive electrode active material for nonaqueous electrolyte secondary battery and method for producing same, and nonaqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations62
US11374220B2Jun 28, 2022
Manganese-cobalt composite hydroxide and process for producing same, positive electrode active material and process for producing same, and non-aqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations62
US11289688B2Mar 29, 2022
Positive electrode active material for nonaqueous electrolyte secondary batteries, production method thereof, and nonaqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations62
US11223033B2Jan 11, 2022
Positive electrode active material for nonaqueous electrolyte secondary batteries, production method thereof, and nonaqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations62
US11205774B2Dec 21, 2021
Nickel composite hydroxide and process for producing same, positive electrode active material and process for producing same, and non-aqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations62
US11305243B2Apr 19, 2022
Chemical reaction device and particle production method using chemical reaction device
SUMITOMO METAL MINING CO1 citations58
US11637284B2Apr 25, 2023
Positive electrode active material for non-aqueous electrolyte secondary batteries, production method therefor, and non-aqueous electrolyte secondary batteries using said positive electrode active material
SUMITOMO METAL MINING CO0 citations52
US10840511B2Nov 17, 2020
Maganese composite hydroxide and process for producing same, positive electrode active material and process for producing same, and non-aqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations52
US10593942B2Mar 17, 2020
Nickel-containing composite hydroxide and production process therefor, positive-electrode active material for a nonaqueous-electrolyte secondary battery and production process therefor, and nonaqueous-electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations51
US10505191B2Dec 10, 2019
Manganese-cobalt composite hydroxide and process for producing same, positive electrode active material and process for producing same, and non-aqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations51
US10294120B2May 21, 2019
Nickel composite hydroxide and process for producing same
SUMITOMO METAL MINING CO0 citations51
US10236510B2Mar 19, 2019
Nickel-cobalt composite hydroxide and method and device for producing same, cathode active material for non-aqueous electrolyte secondary battery and method for producing same, and non-aqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations51
US10141571B2Nov 27, 2018
Nickel-cobalt composite hydroxide and method and device for producing same, cathode active material for non-aqueous electrolyte secondary battery and method for producing same, and non-aqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations51
US12261291B2Mar 25, 2025
Positive electrode active material for lithium ion secondary battery, method of manufacturing positive electrode active material for lithium ion secondary battery, and lithium ion secondary battery
SUMITOMO METAL MINING CO0 citations50
US11996556B2May 28, 2024
Positive electrode active material for non-aqueous electrolyte secondary battery and method for producing the same, positive electrode mixture paste for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations50
US11862793B2Jan 2, 2024
Positive electrode active material for non-aqueous electrolyte secondary battery and method for producing the same, and non-aqueous electrolyte secondary battery and method for producing the same
SUMITOMO METAL MINING CO0 citations50
US11482700B2Oct 25, 2022
Positive electrode active material for nonaqueous electrolyte secondary batteries and method for producing positive electrode active material for nonaqueous electrolyte secondary batteries
SUMITOMO METAL MINING CO0 citations50
US11024836B2Jun 1, 2021
Positive electrode active material for non-aqueous electrolyte secondary battery and method for manufacturing the same, positive electrode mixed material paste for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations50
US10978711B2Apr 13, 2021
Positive electrode active material for nonaqueous electrolyte secondary battery, method for producing the same, positive electrode mixture paste for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations50
US10586983B2Mar 10, 2020
Positive electrode active material for nonaqueous electrolyte secondary batteries, production method thereof, and nonaqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations50
US10781531B2Sep 22, 2020
Method for producing nickel-containing hydroxide
SUMITOMO METAL MINING CO0 citations47
US10689262B2Jun 23, 2020
Method for producing nickel-containing hydroxide
SUMITOMO METAL MINING CO0 citations47
TOYA HIROYUKI
1 patentYONESATO NORIMICHI
1 patentShowing the top 50 of 55 patents by PatentIndex Score.