Patent Assignment
Reel/Frame 061777/0974
Assignment of Assignor's Interest
Recorded: 2022-10-26
Pages: 7
Assignor
POSCO HOLDINGS INC.
Executed: 2022-10-19
Assignee
POSCO CO., LTD
6261, DONGHAEAN-RO, NAM-GU, GYEONGSANGBUK-DO, POHANG-SI, 37859, KOREA, REPUBLIC OF
Covered Properties
(120)
Method for Manufacturing Amorphous Alloy by Using Liquid Pig Iron
Method for Manufacturing Duplex Stainless Steel Sheet Having High Nitrogen Content and Good Surface Quality
Method and Apparatus for Surface Treatment of Roll
Welded Joint of Extremely Low-Temperature Steel, and Welding Materials for Preparing Same
Zn-Mg Alloy-Coated Steel Sheet with Excellent Blackening Resistance and Excellent Adhesion
Apparatus and Method for Treating Surface of Strip Casting Twin Roll
Method for Recycling Iron-Containing by-Products Discharged from Coal-Based Molten Ironmaking Process, System Therefor, and Reduced Iron Agglomeration System
Grain-Oriented Electric Steel Sheet Having Superior Magnetic Property
Grain-Oriented Electrical Steel Sheet, and Method for Manufacturing the Same
High Strength Austenitic-Based Steel with Remarkable Toughness of Welding Heat-Affected Zone and Preparation Method Therefor
Metal Encapsulant Having Good Heat Dissipation Properties, Method of Manufacturing Same, and Flexible Electronic Device Encapsulated in Said Metal Encapsulant
Production Method for Plated Steel Sheet Using a Steel Sheet Annealing Device
Building Material
Super High-Strength Flux Cored Arc Welded Joint Having Excellent Impact Toughness, and Welding Wire for Manufacturing Same
Metal Fiber Manufacturing System
Molten Iron Refining Method and Device Thereof
Apparatus and Method for Ultrasonic Detection to Detect Flaws of Steel Plate
Shape-Correcting and Rolling Method and Shape-Correcting Device for High-Strength Steel
Method for Manufacturing High Manganese Hot-Dip Galvanized Steel Sheet with Excellent Coatability and Ultra-High Strength, and High Manganese Hot-Dip Galvanized Steel Sheet Manufactured by Said Method
Apparatus and Method of Detecting Defect of Steel Plate
Non-Oriented Electrical Steel Sheet and Method of Manufacturing the Same
Grain Oriented Electrical Steel Sheet Having Excellent Core Loss, and Method for Manufacturing Same
Apparatus and Method for Predicting Slab Quality
High Silicon Steel Sheet Having Excellent Productivity and Magnetic Properties and Method for Manufacturing Same
Ferritic Stainless Steel for Automotive Exhaust System, Which Have Excellent Corrosion Resistance Against Condensate, Moldability, and High-Temperature Oxidation Resistance, and Method for Manufacturing Same
Ultrahigh-Strength Steel Sheet and Manufacturing Method Therefor
Hot Press Forming Parts Having Excellent Bending Properties and Method for Manufacturing the Same
Plated Steel Sheet for Hot Press Forming Having Excellent Weldability and Corrosion Resistance, Forming Member, and Manufacturing Method Thereof
Structure for Fixing Motor Vehicle Roof Module
Hot-Rolled Steel Sheet Having Excellent Workability and Anti-Aging Properties
Steel for Resistance to Complex Corrosion from Hydrochloric Acid and Sulfuric Acid, Having Excellent Wear Resistance and Surface Qualities
Heating Apparatus, and Coating Device Comprising Same
Coating Agent for Electrical Steel Sheet, Manufacturing Method Therefor and Electrical Steel Sheet Coating Method Using Same
Cooling Apparatus for Plated Steel Sheet
Slab Scarfing Apparatus and Method for Controlling the Same
Steel Sheet for Hot Press Formed Product Having Superior Bendability and Ultra-High Strength, Hot Press Formed Product Using Same, and Method for Manufacturing Same
Rolling Apparatus, Continuous Casting and Rolling Apparatus and Method
Method for Manufacturing Electrical Steel Sheet Laminated Core Having Reduced Core Loss and Increased Strength, and Laminated Core Produced by the Same
Ultrahigh-Strength Gas Metal Arc Welded Joint Having Excellent Impact Toughness, and Solid Wire for Producing Same
Lightweight Steel Sheet Having Excellent Strength and Ductility and Method for Manufacturing Same
Flux-Cored Arc Welding Material Having Remarkable Impact Resistance and Abrasion Resistance
Low-Alloy Duplex Stainless Steel Having Outstanding Corrosion Resistance and Hot Working Properties
Continuous Casting and Rolling Apparatus and Method
Quenched Steel Sheet Having Excellent Strength and Ductility
Steel Having Excellent Weldability and Impact Toughness of Welding Zone
Upper Arm and Shock Absorber Mounting Bracket and Vehicle Frame Including Same
Pillar Member and Roll Formed Member of Vehicle
Apparatus and Method for Trimming a Side of Steel Plate
Ultra-High Strength, Hot-Dip Galvanized Steel Sheet Having Excellent Surface Quality and Coating Adhesion
Hot-Dip Galvanized Steel Sheet and Hot-Dip Galvannealed Steel Sheet Having Improved Hole Expansion Ratio, and Manufacturing Methods Thereof
Hot-Rolled Steel Sheet for High Strength Galvanized Steel Sheet, Having Excellent Surface Quality, and Method for Producing Same
Apparatus for Continuous Annealing of Strip and Method for Continuous Annealing of Same
Ultrahigh-Strength Steel for Welding Structure with Excellent Toughness in Welding Heat-Affected Zones Thereof, and Method for Manufacturing Same
Insulating Coating Composition for Oriented Electrical Steel Sheet, Oriented Electrical Steel Sheet Having Insulating Coating Formed on Surface Thereof by Using Same, and Preparation Method Therefor
Method for Manufacturing Transparent Pattern Print Steel Plate
Powder Manufacturing Apparatus and Powder Forming Method
Dual-Phase Steel Sheet with Excellent Formability and Manufacturing Method Therefor
Molten Iron Manufacturing Apparatus and Molten Iron Manufacturing Method
Fe-Ni Alloy Metal Foil Having Excellent Heat Resilience and Method for Manufacturing Same
Continuous Casting and Rolling Apparatus and Method
Air Knife
Austenitic-Based Stainless Steel for Molten Carbonate Fuel Cell
High-Manganese Steel with Superior Coating Adhesion and Method for Manufacturing Hot-Dip Galvanized Steel from Same
High-Strength Cold Rolled Steel Sheet Having Excellent Ductility, Hot-Dip Galvanized Steel Sheet and Method for Manufacturing Same
Hot Dip Galvanized and Galvannealed Steel Sheet Having Excellent Elongation Properties
Hot Press Forming Parts Having Excellent Bending Properties and Method for Manufacturing the Same
Hot-Rolled Steel Sheet for High Strength Galvanized Steel Sheet, Having Excellent Surface Quality, and Method for Producing Same
Noncovalent Bond-Modified Carbon Structure, and Carbon Structure/Polymer Composite Comprising Same
Zn Alloy Plated Steel Sheet Having Excellent Phosphatability and Spot Weldability and Method for Manufacturing Same
Composition for Non-Oriented Electrical Steel Sheet, Method of Manufacturing Non-Oriented Electrical Steel Sheet Product, and Non-Oriented Electrical Steel Sheet Product
High Manganese Steel Sheet Having High Strength and Excellent Vibration-Proof Properties and Method for Manufacturing Same
Fe-P-Cr ALLOY THIN PLATE AND METHOD FOR MANUFACTURING SAME
Steel Sheet for Hot Press Forming with Excellent Corrosion Resistance and Weldability, Forming Member, and Manufacturing Method Therefor
Heat Treatable Steel, Product Formed Thereof Having Ultra High Strength and Excellent Durability, and Method for Manufacturing Same
Zinc Alloy Plated Steel Material Having Excellent Weldability and Processed-Part Corrosion Resistance and Method of Manufacturing Same
Aluminum-Iron Alloy-Coated Steel Sheet for Hot Press Forming, Having Excellent Hydrogen Delayed Fracture Resistance, Peeling Resistance, and Weldability and Hot-Formed Member Using Same
High-Strength Steel Plate for Pressure Vessel Having Excellent Toughness After Post Weld Heat Treatment and Manufacturing Method Thereof
Method of Continuously Annealing a Strip
Dimension Measuring Device and Method
Plated Steel Sheet for Hot Press Forming Having Excellent Weldability and Corrosion Resistance, Forming Member, and Manufacturing Method Thereof
Hot Press Formed Article Having Excellent Delamination Resistance and Method for Manufacturing the Same
Non-Oriented Electrical Steel Sheet and Manufacturing Method Therefor
Pre-Coating Agent Composition for Grain-Oriented Electrical Steel Sheet, Grain-Oriented Electrical Steel Sheet Comprising Same, and Manufacturing Method Therefor
Austenitic Steel Having Excellent Machinability and Ultra-Low Temperature Toughness in Weld Heat-Affected Zone, and Method of Manufacturing the Same
Hot Press Formed Article Having Good Anti-Delamination, and Preparation Method for Same
Apparatus for Removing Top Dross of Plating Pot
Apparatus and Method for Detecting Inner Defects of Steel Plate
High Strength Steel Sheet Having Excellent Cryogenic Temperature Toughness and Low Yield Ratio Properties, and Method for Manufacturing Same
Automotive Front Side Frame
High-Strength Thin Steel Sheet with Excellent Drawability and Bake Hardenability, and Method for Manufacturing Same
Pickling Apparatus and Pickling Method
Meniscus Flow Control Device and Meniscus Flow Control Method Using Same
Adhesive Coating Composition for Non-Oriented Electrical Steel Sheet, Non-Oriented Electrical Steel Sheet Product, and Manufacturing Method Therefor
Ultrahigh-Strength High-Ductility Steel Sheet Having Excellent Yield Strength, and Manufacturing Method Therefor
Grain-Oriented Electrical Steel Sheet and Manufacturing Method of Grain-Oriented Electrical Steel Sheet
Grain-Oriented Electrical Steel Sheet and Method for Manufacturing Same
High Strength Galvanized Steel Sheet Having Excellent Surface Qualities, Plating Adhesion, and Formability, and Method for Manufacturing Same
Thick Steel Plate Having Excellent Low-Temperature Toughness and Hydrogen-Induced Cracking Resistance, and Method for Manufacturing Same
Electrical Steel Sheet and Method for Manufacturing the Same
Method of Manufacturing Hot Press Formed Parts Having Excellent Powdering Resistance
Grain-Oriented Electrical Steel Plate and Manufacturing Method Thereof
High-Strength Steel Having Superior Brittle Crack Arrestability, and Production Method Therefor
Surface-Treatment Solution Composition Containing Trivalent Chromium and Inorganic Compound, Zinc-Based Plated Steel Sheet Surface-Treated Using Same, and Method for Producing Same
Lightweight Composite Metal Sheet Having Excellent Vibration Damping Characteristics, and Manufacturing Method Therefor
Pressure Vessel Steel Plate Having Excellent Post Weld Heat Treatment Resistance, and Manufacturing Method Therefor
Aluminum-Based Alloy Plated Steel Sheet Having Excellent Processing Part Corrosion Resistance
Grain-Oriented Electrical Steel Sheet and Manufacturing Method Therefor
High Strength Welding Joint Having Excellent Impact Toughness at Very Low Temperature, and Flux-Cored Arc Welding Wire Therefor
High-Strength Steel Having Superior Brittle Crack Arrestability, and Production Method Therefor
Complex-Phase Steel Sheet Having Excellent Formability and Method of Manufacturing the Same
Non-Heat Treated Wire Rod Having Excellent Cold Workability and Manufactured Method Therefor
High-Strength Hot-Dip Galvanized Steel Sheet Having Excellent Surface Quality and Spot Weldability
Grain-Oriented Electrical Steel Sheet and Manufacturing Method Therefor
Hot-Dip Galvanized Steel Sheet and Hot-Dip Galvannealed Steel Sheet with Excellent Aging-Resistance Properties and Bake Hardenability, and Method for Manufacturing Same
Plated Steel Material Having Excellent Friction Resistance and White Rust Resistance and Method for Preparing Same
Vertical Semi-Continuous Casting Equipment and Vertical Semi-Continuous Casting Method
Plated Steel Sheet for Hot Press Forming Having Excellent Impact Property, Hot Press Formed Part, and Manufacturing Method Thereof
Non-Oriented Electrical Steel Sheet and Method for Manufacturing the Same
Cold-Rolled Steel Sheet with Excellent Formability, Galvanized Steel Sheet, and Manufacturing Method Thereof
High Tensile Strength Steel Having Excellent Bendability and Stretch-Flangeability and Manufacturing Method Thereof
Related Assignments
(18)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 2, 2011
From: YI, SANG-HO; CHOI, SEUNG DUEG; YI, SEONG HOON
To: POSCO
Reel/Frame 026685/0455 →
Assignment of Assignor's Interest
May 13, 2015
From: HAN, IL-WOOK; KIM, JEONG-KIL; LEE, BONG-KEUN; LEE, HONG-KIL
To: POSCO
Reel/Frame 035628/0283 →
Assignment of Assignor's Interest
Jun 12, 2015
From: JEONG, HONG-CHUL; LEE, JIN-WOO; LEE, DONG-RYEOL; HAN, IL-WOOK
To: POSCO
Reel/Frame 035828/0880 →
Assignment of Assignor's Interest
Jun 26, 2015
From: LEE, HAK-CHEOL; SUH, IN-SHIK; LEE, SOON-GI; PARK, IN-GYU
To: POSCO
Reel/Frame 035918/0199 →
Assignment of Assignor's Interest
Jul 7, 2015
From: HAN, MIN SOO; KWON, MIN SERK; PARK, SOON-BOK; HAN, CHAN-HEE
To: POSCO
Reel/Frame 036015/0255 →
Assignment of Assignor's Interest
Sep 2, 2015
From: HWANG, SUK KYUN; IM, JI WOO; SONG, BYOUNG JUN
To: POSCO
Reel/Frame 036477/0407 →
Assignment of Assignor's Interest
Sep 9, 2015
From: CHO, MIN-YOUNG; KIM, HYUN-SOO; LEE, DAL-HOI; LEE, JONG-YEOL
To: POSCO
Reel/Frame 036519/0528 →
Assignment of Assignor's Interest
Nov 30, 2015
From: HA, MAN JIN; KIM, JIN HO; HWANG, SUK KYUN; PARK, SUNG JIN
To: POSCO
Reel/Frame 037168/0685 →
Assignment of Assignor's Interest
Dec 9, 2015
From: HAN, KYU-SEOK; HAN, CHAN-HEE; LIM, JAE-SOO; HONG, BYUNG-DEUG
To: POSCO
Reel/Frame 037248/0020 →
Assignment of Assignor's Interest
Dec 16, 2015
From: PARK, RHO-BUM; CHIN, KWANG-GEUN; PARK, MAN-YOUNG
To: POSCO
Reel/Frame 037307/0090 →
Assignment of Assignor's Interest
Feb 8, 2016
From: PARK, JUNG HO; KANG, SOO CHANG; CHUN, JIN KYU; SEO, YUN YEOL
To: POSCO
Reel/Frame 037685/0944 →
Assignment of Assignor's Interest
Jun 8, 2016
From: PARK, YOUNG-JUN; KIM, KYOUNG-BO; KIM, MOO-JIN; LEE, SOO-CHERL
To: POSCO
Reel/Frame 038848/0345 →
Assignment of Assignor's Interest
Jun 23, 2016
From: LIM, CHOONG SOO; CHUN, MYUNG SIK; HUH, HYEONG JUN; SON, BOONG HO
To: POSCO
Reel/Frame 038999/0124 →
Assignment of Assignor's Interest
Aug 18, 2016
From: LEE, DONG-YOEUL; NAM, KYUNG-HOON; JUNG, YONG-HWA; HONG, SEOK-JUN
To: POSCO
Reel/Frame 039476/0408 →
Assignment of Assignor's Interest
Aug 25, 2016
From: HWANG, SUK KYUN; IM, JI WOO; KIM, SUN MI
To: POSCO
Reel/Frame 039544/0234 →
Assignment of Assignor's Interest
Feb 6, 2017
From: CHO, UN-KWAN; KIM, GOO-HWA; JANG, CHUL-SUNG; KIM, BYUNG-IL
To: POSCO
Reel/Frame 041184/0760 →
Assignment of Assignor's Interest
Jun 1, 2017
From: YU, YOUNG DONG; YOON, TAE YANG; LEE, PIL GOO
To: POSCO
Reel/Frame 042564/0923 →
Change of Name
Sep 28, 2022
From: POSCO
To: POSCO HOLDINGS INC.
Reel/Frame 061562/0012 →