P

Inventor

NAKAJIMA SEIJI

JP43 patents
⚠️ This page may combine multiple inventors who share the name “NAKAJIMA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JFE STEEL CORP

16 patents
US11111558B2Sep 7, 2021

Hot-pressed member and method for manufacturing same, and cold-rolled steel sheet for hot pressing and method for manufacturing same

JFE STEEL CORP4 citations73
US11085101B2Aug 10, 2021

Hot-pressed member and method for manufacturing same, and cold-rolled steel sheet for hot pressing and method for manufacturing same

JFE STEEL CORP2 citations73
US10253386B2Apr 9, 2019

Steel sheet for hot press-forming, method for manufacturing the same, and method for producing hot press-formed parts using the same

JFE STEEL CORP2 citations73
US10384254B2Aug 20, 2019

Method of manufacturing hot-pressed member

JFE STEEL CORP2 citations69
US11420247B2Aug 23, 2022

Hot-pressed member and method for manufacturing same, and cold-rolled steel sheet for hot pressing and method for manufacturing same

JFE STEEL CORP0 citations62
US11236406B2Feb 1, 2022

Hot-pressed member and method for manufacturing same, and cold-rolled steel sheet for hot pressing and method for manufacturing same

JFE STEEL CORP0 citations62
US11168378B2Nov 9, 2021

Hot-pressed member and manufacturing method therefor

JFE STEEL CORP0 citations62
US9598744B2Mar 21, 2017

Method for producing hot-pressed member

JFE STEEL CORP1 citations62
US11377709B2Jul 5, 2022

Hot-pressed member and method for manufacturing same, and cold-rolled steel sheet for hot pressing and method for manufacturing same

JFE STEEL CORP0 citations52
US10030290B2Jul 24, 2018

Steel sheet for hot press-forming, hot press-formed part, and method of producing hot press-formed part

JFE STEEL CORP1 citations52
US10316381B2Jun 11, 2019

Method for producing hot-pressed member

JFE STEEL CORP0 citations51
US9963755B2May 8, 2018

Hot-pressed member

JFE STEEL CORP0 citations51
US7160631B2Jan 9, 2007

Zinc-based coated steel sheet having excellent anti-peeling property, frictional property, and anti-galling property and method of manufacturing the same

JFE STEEL CORP1 citations51
US12157924B2Dec 3, 2024

Hot-pressed member, steel sheet for hot pressing, and methods for producing the hot-pressed member and the steel sheet for hot pressing

JFE STEEL CORP0 citations50
US10434556B2Oct 8, 2019

Hot-pressed member and method of manufacturing the same

JFE STEEL CORP0 citations48
US10093077B2Oct 9, 2018

Steel sheet for hot press-forming

JFE STEEL CORP0 citations48

NAKAJIMA SEIJI

8 patents

KAWASAKI STEEL CO

4 patents

OMRON TATEISI ELECTRONICS CO

4 patents

TOSHIBA MACHINE CO LTD

3 patents

SANYO ELECTRIC CO

2 patents

NAKAMARU HIROKI

1 patent

MIYOSHI TATSUYA

1 patent

MASUTANI NAOKI

1 patent

MORI TETSUYA

1 patent

KITAMURA KYOJI

1 patent

OHMAE KEISUKE

1 patent