Inventor

HAMADA ETSUO

JP9 patents

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

JFE STEEL CORP

2 patents

US7338718B2Mar 4, 2008

Zinc hot dip galvanized steel plate excellent in press formability and method for production thereof

JFE STEEL CORP10 citations83

US7875363B2Jan 25, 2011

Surface-treated steel sheet

JFE STEEL CORP3 citations57

IMOKAWA TORU

2 patents

US9512331B2Dec 6, 2016

Surface treatment agent for zinc or zinc alloy coated steel sheet, zinc or zinc alloy coated steel sheet, and method of producing the steel sheet

IMOKAWA TORU2 citations58

US9200165B2Dec 1, 2015

Surface treatment liquid for zinc or zinc alloy coated steel sheet, zinc or zinc alloy-coated steel sheet, and method for manufacturing the same

IMOKAWA TORU3 citations58

NIPPON KOKAN KK

1 patent

US6677053B2Jan 13, 2004

Surface-treated steel sheet and production method therefor

NIPPON KOKAN KK22 citations92

NEC CORP

1 patent

US6060899AMay 9, 2000

Semiconductor device with test circuit

NEC CORP17 citations82

YAMASHITA DAISUKE

1 patent

US8900962B2Dec 2, 2014

Method for manufacturing semiconductor device

YAMASHITA DAISUKE3 citations61

OKAI KAZUHISA

1 patent

US8304092B2Nov 6, 2012

Surface-treated galvanized steel sheet with superior flat-portion corrosion resistance, blackening resistance, and appearance and corrosion resistance after press forming and aqueous surface-treatment liquid for galvanized steel sheet

OKAI KAZUHISA3 citations54

TOSHIBA KK

1 patent

US10763112B2Sep 1, 2020

Method for manufacturing device

TOSHIBA KK0 citations39