Inventor
NEISHI YUTAKA
JP40 patents
⚠️ This page may combine multiple inventors who share the name “NEISHI YUTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON STEEL & SUMITOMO METAL CORP
19 patentsUS9574255B2Feb 21, 2017
Rolled steel bar for hot forging
NIPPON STEEL & SUMITOMO METAL CORP2 citations72
US10066281B2Sep 4, 2018
Age-hardenable steel
NIPPON STEEL & SUMITOMO METAL CORP3 citations70
US9994943B2Jun 12, 2018
Rolled steel bar for hot forging, hot-forged section material, and common rail and method for producing the same
NIPPON STEEL & SUMITOMO METAL CORP2 citations70
US9976206B2May 22, 2018
Rolled round steel material for steering rack bar, and steering rack bar
NIPPON STEEL & SUMITOMO METAL CORP4 citations70
US9951403B2Apr 24, 2018
Hot-forged section material and common rail
NIPPON STEEL & SUMITOMO METAL CORP2 citations70
US10538832B2Jan 21, 2020
Steel for carbonitrided bearing
NIPPON STEEL & SUMITOMO METAL CORP1 citations62
US11390936B2Jul 19, 2022
Spring steel
NIPPON STEEL & SUMITOMO METAL CORP0 citations52
US10246757B2Apr 2, 2019
Bearing part
NIPPON STEEL & SUMITOMO METAL CORP0 citations52
US11098394B2Aug 24, 2021
Rolled wire rod
NIPPON STEEL & SUMITOMO METAL CORP0 citations51
US10358706B2Jul 23, 2019
Carbonitrided bearing part
NIPPON STEEL & SUMITOMO METAL CORP0 citations51
US9840759B2Dec 12, 2017
Rolled round steel material for steering rack bar and steering rack bar
NIPPON STEEL & SUMITOMO METAL CORP1 citations49
US10144984B2Dec 4, 2018
Method of producing roughly shaped material for rolling bearing
NIPPON STEEL & SUMITOMO METAL CORP0 citations42
US10808304B2Oct 20, 2020
Steel for induction hardening
NIPPON STEEL & SUMITOMO METAL CORP0 citations41
US10801091B2Oct 13, 2020
Steel for induction hardening
NIPPON STEEL & SUMITOMO METAL CORP0 citations41
US10538831B2Jan 21, 2020
Age-hardening steel for cold forging use
NIPPON STEEL & SUMITOMO METAL CORP0 citations41
US10487372B2Nov 26, 2019
High-strength bolt
NIPPON STEEL & SUMITOMO METAL CORP0 citations40
US10337559B2Jul 2, 2019
Ball bearing and methods of production of ball bearing
NIPPON STEEL & SUMITOMO METAL CORP0 citations37
US10669604B2Jun 2, 2020
Bolt
NIPPON STEEL & SUMITOMO METAL CORP0 citations36
US10584783B2Mar 10, 2020
High-strength gear
NIPPON STEEL & SUMITOMO METAL CORP0 citations36
NIPPON STEEL CORP
17 patentsUS11965231B2Apr 23, 2024
Steel material to be starting material of carbonitrided bearing component
NIPPON STEEL CORP4 citations74
US11168387B2Nov 9, 2021
Steel material for carburized bearing part
NIPPON STEEL CORP5 citations72
US11952650B2Apr 9, 2024
Steel wire
NIPPON STEEL CORP2 citations70
US12134812B2Nov 5, 2024
Steel material for steel piston
NIPPON STEEL CORP1 citations62
US12104234B2Oct 1, 2024
Steel material
NIPPON STEEL CORP1 citations62
US11118251B2Sep 14, 2021
Rolled wire rod for spring steel
NIPPON STEEL CORP1 citations62
US12338516B2Jun 24, 2025
Damper spring
NIPPON STEEL CORP0 citations61
US12181012B2Dec 31, 2024
Damper spring
NIPPON STEEL CORP1 citations61
US10837080B2Nov 17, 2020
Rolled steel bar or rolled wire rod for cold-forged component
NIPPON STEEL CORP1 citations59
US11459630B2Oct 4, 2022
Bearing steel component, and steel bar for bearing steel component
NIPPON STEEL CORP0 citations52
US12359268B2Jul 15, 2025
Carbonitrided bearing component
NIPPON STEEL CORP0 citations51
US12006994B2Jun 11, 2024
Valve spring
NIPPON STEEL CORP0 citations50
US12516698B2Jan 6, 2026
Carburized bearing
NIPPON STEEL CORP0 citations49
US12480190B2Nov 25, 2025
Steel
NIPPON STEEL CORP0 citations49
US12338518B2Jun 24, 2025
Valve spring
NIPPON STEEL CORP0 citations49
US11162454B2Nov 2, 2021
Steel piston
NIPPON STEEL CORP0 citations41
US10829842B2Nov 10, 2020
Rolled steel bar or rolled wire rod for cold-forged component
NIPPON STEEL CORP0 citations38
JTEKT CORP
2 patentsUS11326643B2May 10, 2022
Rolling sliding member and method of producing the same, and rolling bearing including rolling sliding member
JTEKT CORP0 citations51
US10047797B2Aug 14, 2018
Bearing constituent member, method of manufacturing bearing constituent member, and rolling bearing
JTEKT CORP0 citations47