Inventor

TAKEI KOUICHI

JP7 patents

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

HITACHI CHEMICAL CO LTD

3 patents

US5871558AFeb 16, 1999

Process for producing silica glass

HITACHI CHEMICAL CO LTD34 citations88

US7829222B2Nov 9, 2010

Artificial graphite particles and method for manufacturing same, nonaqueous electrolyte secondary cell, negative electrode and method for manufacturing same, and lithium secondary cell

HITACHI CHEMICAL CO LTD7 citations73

US7947394B2May 24, 2011

Non-aqueous electrolyte secondary battery-use cathode material, production method therefor, non-aqueous electrolyte secondary battery-use cathode and non-aqueous electrolyte secondary battery using the cathode material

HITACHI CHEMICAL CO LTD5 citations62

HITACHI LTD

2 patents

US6524749B1Feb 25, 2003

Lithium secondary battery, and process for producing the same

HITACHI LTD46 citations95

US7416814B2Aug 26, 2008

Lithium secondary battery, and process for producing the same

HITACHI LTD0 citations51

TAKEI KOUICHI

1 patent

US8211571B2Jul 3, 2012

Artificial graphite particles and method for manufacturing same, nonaqueous electrolyte secondary cell negative electrode and method for manufacturing same, and lithium secondary cell

TAKEI KOUICHI5 citations68

LG ENERGY SOLUTION LTD

1 patent

US11031600B2Jun 8, 2021

Lithium ion secondary battery including aluminum silicate

LG ENERGY SOLUTION LTD0 citations58