Inventor

OHZEKI KATSUTOMO

JP4 patents

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

HITACHI CHEMICAL CO LTD

3 patents

US11251421B2Feb 15, 2022

Negative electrode material for lithium ion secondary battery, negative electrode for lithium ion secondary battery, and lithium ion secondary battery

HITACHI CHEMICAL CO LTD0 citations56

US10892482B2Jan 12, 2021

Negative electrode material for lithium ion secondary battery, negative electrode for lithium ion secondary battery, and lithium ion secondary battery

HITACHI CHEMICAL CO LTD0 citations46

US10693130B2Jun 23, 2020

Negative electrode material for lithium ion secondary battery, negative electrode for lithium ion secondary battery, and lithium ion secondary battery

HITACHI CHEMICAL CO LTD0 citations46

HITACHI POWDERED METALS

1 patent

US6759169B1Jul 6, 2004

Graphite powder for negative electrode of lithium ion secondary cell and method of production thereof

HITACHI POWDERED METALS7 citations63