P

Inventor

NAKATA HIROSHI

JP30 patents
⚠️ This page may combine multiple inventors who share the name “NAKATA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JFE STEEL CORP

9 patents
US9493865B2Nov 15, 2016

Thick-walled high-strength hot rolled steel sheet with excellent low-temperature toughness and method of producing same

JFE STEEL CORP7 citations83
US7879287B2Feb 1, 2011

Hot-rolled steel sheet for high-strength electric-resistance welded pipe having sour-gas resistance and excellent weld toughness, and method for manufacturing the same

JFE STEEL CORP15 citations83
US7501030B2Mar 10, 2009

Hot-rolled steel strip for high strength electric resistance welding pipe and manufacturing method thereof

JFE STEEL CORP11 citations83
US11377719B2Jul 5, 2022

Hot-rolled steel sheet for heavy-wall, high-strength line pipe, welded steel pipe for heavy-wall, high-strength line pipe, and method for producing the welded steel pipe

JFE STEEL CORP0 citations62
US11421298B2Aug 23, 2022

Electric resistance welded steel tube for coiled tubing and method for manufacturing the same

JFE STEEL CORP0 citations61
US11326240B2May 10, 2022

Hot-rolled steel sheet for coiled tubing

JFE STEEL CORP0 citations61
US11440125B2Sep 13, 2022

Electric resistance welded steel pipe for producing hollow stabilizer, hollow stabilizer, and production methods for same

JFE STEEL CORP0 citations60
US9580782B2Feb 28, 2017

Thick high-tensile-strength hot-rolled steel sheet having excellent low-temperature toughness and manufacturing method thereof

JFE STEEL CORP0 citations51
US11214847B2Jan 4, 2022

High-strength hot-rolled steel sheet for electric resistance welded steel pipe and manufacturing method therefor

JFE STEEL CORP0 citations46

MITSUBISHI ELECTRIC CORP

4 patents

BRIDGESTONE CORP

4 patents

NIPPON KOKAN KK

3 patents

NAKATA HIROSHI

3 patents

OPPAMA KOGYO KK

2 patents

WALBRO JAPAN INC

1 patent

NIPPON STEEL & SUMITOMO METAL CORP

1 patent

KIORITZ CORP

1 patent

KAMI CHIKARA

1 patent

YOSHIKAWA YUSUKE

1 patent