Inventor

OKAMATSU EIJI

JP4 patents

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

TOYO KOHAN CO LTD

2 patents

US10910607B2Feb 2, 2021

Method for producing surface-treated steel sheet for battery containers and surface-treated steel sheet for battery containers

TOYO KOHAN CO LTD0 citations56

US9926641B2Mar 27, 2018

Method of manufacturing metal sheet having alloy plated layer

TOYO KOHAN CO LTD0 citations35

MINAGI HIDEYUKI

1 patent

US8795846B2Aug 5, 2014

Ni-plated steel sheet for battery can having excellent press formability

MINAGI HIDEYUKI1 citations40

TAKEMATSU SHINICHI

1 patent

US8734961B2May 27, 2014

Nickel-plated steel sheet and process for producing battery can using the nickel-plated steel sheet

TAKEMATSU SHINICHI1 citations36