Inventor
OKAMOTO RYOSUKE
JP8 patents
⚠️ This page may combine multiple inventors who share the name “OKAMOTO RYOSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO METAL MINING CO
5 patentsUS12388111B2Aug 12, 2025
Nonaqueous electrolyte secondary battery positive electrode active material and method for manufacturing same, and nonaqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations61
US11557764B2Jan 17, 2023
Positive electrode active material for lithium ion secondary battery, lithium ion secondary battery, and method for producing positive electrode active material for lithium ion secondary battery
SUMITOMO METAL MINING CO0 citations58
US12531240B2Jan 20, 2026
Positive electrode active material for all-solid-state lithium ion secondary battery and method for manufacturing the same
SUMITOMO METAL MINING CO0 citations53
US12119492B2Oct 15, 2024
Positive electrode active material for all-solid-state lithium ion secondary battery and method for manufacturing the same
SUMITOMO METAL MINING CO0 citations53
US10388953B2Aug 20, 2019
Positive electrode active material for nonaqueous electrolyte secondary battery, method for producing same, and nonaqueous electrolyte secondary battery
SUMITOMO METAL MINING CO0 citations48