P

Inventor

OKADA JIRO

JP19 patents
⚠️ This page may combine multiple inventors who share the name “OKADA JIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO METAL MINING CO

10 patents
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
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
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
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
US11855283B2Dec 26, 2023

Method for evaluating a characteristic of a nonaqueous electrolyte secondary battery positive electrode active material

SUMITOMO METAL MINING CO0 citations62
US11811052B2Nov 7, 2023

Positive electrode active material for non-aqueous electrolyte secondary battery

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
US12418041B2Sep 16, 2025

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 citations51
US11411214B2Aug 9, 2022

Positive electrode active material for nonaqueous electrolyte secondary batteries, production method thereof, positive electrode mixture material paste for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery

SUMITOMO METAL MINING CO0 citations51
US12562383B2Feb 24, 2026

Positive electrode active material for lithium ion secondary battery and lithium ion secondary battery

SUMITOMO METAL MINING CO0 citations49

MITSUBISHI ELECTRIC CORP

3 patents

KIMPARA YOSHIHIKO

2 patents

FURUKAWA AKIRA

1 patent

ENDO MASAYA

1 patent

KEZOBO ISAO

1 patent

YARITA TAKESHI

1 patent