Inventor
IZUMI KEIJI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “IZUMI KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NISSHIN STEEL CO LTD
9 patentsUS6905041B1Jun 14, 2005
Fuel tank made from aluminum coated steel sheet
NISSHIN STEEL CO LTD19 citations91
US10233645B2Mar 19, 2019
Metal roofing member, and roofing structure and roofing method using same
NISSHIN STEEL CO LTD6 citations71
US10597874B2Mar 24, 2020
Metal roofing material, and roofing structure and roofing method using same
NISSHIN STEEL CO LTD3 citations69
US10519661B2Dec 31, 2019
Metal roofing material
NISSHIN STEEL CO LTD1 citations59
US6544666B2Apr 8, 2003
Chemically processed steel sheet improved in corrosion resistance
NISSHIN STEEL CO LTD3 citations59
USD841192SFeb 19, 2019
Roof board
NISSHIN STEEL CO LTD0 citations49
US7879508B2Feb 1, 2011
Separator for low-temperature type fuel cell and production method therefor
NISSHIN STEEL CO LTD1 citations48
US7608119B2Oct 27, 2009
Separator for low-temperature type fuel cell and production method therefor
NISSHIN STEEL CO LTD0 citations48
US10724242B2Jul 28, 2020
Metal roofing material and roofing method
NISSHIN STEEL CO LTD0 citations38