Inventor

HONGAWA KEN-ICHI

JP4 patents

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

NIPPON CARBON CO LTD

3 patents

US11276858B2Mar 15, 2022

Negative electrode active material for lithium ion rechargeable battery and negative electrode using the same

NIPPON CARBON CO LTD1 citations69

US10283775B2May 7, 2019

Negative electrode active material for lithum ion rechargeable battery and negative electrode using the same

NIPPON CARBON CO LTD2 citations69

US10102980B2Oct 16, 2018

Negative-electrode active material for lithium ion capacitor

NIPPON CARBON CO LTD0 citations47

KAWAI TAKANOBU

1 patent

US9490499B2Nov 8, 2016

Negative electrode active material for lithium ion rechargeable battery and negative electrode using the same

KAWAI TAKANOBU6 citations79