Patent Assignment
Reel/Frame 061778/0785
Assignment of Assignor's Interest
Recorded: 2022-10-26
Pages: 6
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
(111)
Non-Magnetic Steel Material Having Excellent Hot Workability and Manufacturing Method Therefor
Cooling Device and Cooling Method
High-Manganese Hot-Dip Aluminum-Coated Steel Sheet Having Excellent Coating Adhesion
Ultra-High Strength Steel Sheet Having Excellent Phosphatability and Bendability
Hot-Dip Galvanized Steel Plate with Excellent Bake Hardenability and Anti-Aging Property at Room Temperature
Hot-Rolled Galvanized Steel Sheet Having Excellent Galling Resistance, Formability and Sealer-Adhesion Property and Method for Manufacturing Same
Wire Rod Having Excellent Cold Forgeability and Manufacturing Method Therefor
Plated Steel Sheet Having Multilayer Structure and Manufacturing Method Therefor
Stainless Steel for Polymer Fuel Cell Separation Plate Having Improved Hydrophilicity and Contact Resistance and Method for Manufacturing Same
Straightening System and Straightening Method
Method and Device for Magnetic Domain Refinement of Oriented Electrical Steel Plate
High-Strength Hot-Dip Galvanized Steel Sheet Having Excellent Plating Surface Quality and Adhesion, and Method of Manufacturing the Same
Triple-Phase Stainless Steel and Method for Producing Same
Composition for Washing Pickled Steel Plate, Method for Washing Pickled Steel Plate by Using Same, and Steel Plate Obtained Thereby
Grain-Oriented Electrical Steel Sheet and Manufacturing Method Therefor
High Manganese Hot Dip Aluminum-Plated Steel Sheet Having Excellent Sacrificial Corrosion Resistance and Platability and Manufacturing Method Therefor
Stainless Steel for Polymer Fuel Cell Separator and Method for Preparing Same
Hot Dip Coated Steel Having Excellent Processability
Directional Electric Steel Plate Having Excellent Magnetic Properties and Manufacturing Method Thereof
Non-Oriented Electrical Steel Sheet and Manufacturing Method Therefor
Method for Refining Magnetic Domains of Grain-Oriented Electrical Steel Plates, and Apparatus Therefor
Non-Oriented Electrical Steel Sheet and Manufacturing Method Therefor
Method for Refining Magnetic Domains of Grain-Oriented Electrical Steel Plates, and Apparatus Therefor
Resin Composition, Black Resin Coated Steel Sheet Using Same, and Method of Preparing Same
Method for Manufacturing Grain-Oriented Electrical Steel Sheet
Method and Device for Magnetic Domain Refinement of Oriented Electrical Steel Plate
Hot-Dip Galvanized Steel Sheet with Excellent Surface Quality and Resistance to Low Temperature Brittle Fracture
Hot Dip Aluminized Steel Material Having Excellent Corrosion Resistance and Workability, and Manufacturing Method Therefor
High Strength Cold-Rolled Steel Sheet and Hot- Dip Galvanized Steel Sheet Having Excellent Hole Expansion, Ductility and Surface Treatment Properties, and Method for Manufacturing Same
Magnesium Alloy Sheet and Manufacturing Method Thereof
High Yield Ratio Type High-Strength Cold-Rolled Steel Sheet and Manufacturing Method Thereof
Non-Oriented Electrical Steel Sheet and Manufacturing Method Therefor
Wire Rod Having Excellent Low Temperature Impact Toughness and Manufacturing Method Therefor
Zn-Mg Alloy Plated Steel Material Having Excellent Corrosion Resistance and Plating Adhesion
High-Strength Steel Material Having Excellent Low-Temperature Strain Aging Impact Properties and Welding Heat-Affected Zone Impact Properties and Method for Manufacturing Same
Roller Assembly, Casting Apparatus, and Roller Separating Method for Same
Steel Sheet for Hot Press Formed Member Having Excellent Painting Adhesion and Post-Painting Corrosion Resistance
Steel for Pipes Having High Fatigue Resistance, Method of Manufacturing the Same, and Welded Steel Pipe Using the Same
High-Strength and High-Manganese Steel Having Excellent Low-Temperature Toughness and Manufacturing Method Therefor
Magnesium Alloy Plate and Method for Manufacturing Same
Pressure Vessel Steel Having Excellent Hydrogen Induced Cracking Resistance, and Manufacturing Method Therefor
Non-Oriented Electrical Steel Sheet and Method for Producing Same
Apparatus and Method for Feeding Material
Aluminum-Based Plated Steel Having Excellent Corrosion Resistance, Aluminum-Based Alloy Plated Steel Using the Same, and Method of Manufacturing Thereof
Annealing Separator Composition for Oriented Electrical Steel Sheet, Oriented Electrical Steel Sheet, and Method for Manufacturing Oriented Electrical Steel Sheet
Plated Steel Sheet Having Fine and Even Plating Structure
Annealing Separator Composition for Oriented Electrical Steel Sheet, Oriented Electrical Steel Sheet, and Method for Manufacturing Oriented Electrical Steel Sheet
Grain-Oriented Electrical Steel Plate and Production Method Therefor
Zinc Alloy Plated Steel Having Excellent Weldability and Corrosion Resistance
Ultra-High Strength Steel Sheet Having Excellent Bendability and Manufacturing Method Therefor
Steel Sheet for Hot Press Formed Member Having Excellent Coating Adhesion and Manufacturing Method for the Same
Molten Material Treatment Apparatus
Ultra-High Strength Steel Plate Having Excellent Formability and Hole-Expandability, and Method for Manufacturing Same
Ultra High Strength Hot-Rolled Steel Sheet Having Excellent Ductility and Method for Manufacturing Same
Single Layer Zinc Alloy Plated Steel Material Exhibiting Excellent Spot Weldability and Corrosion Resistance, and Fabrication Method Therefor
Multi-Layered Zinc Alloy Plated Steel Having Excellent Spot Weldability and Corrosion Resistance
Steel Sheet for Tool and Manufacturing Method Therefor
Hot-Rolled Coated Steel Sheet with Excellent Workability and Manufacturing Method Therefor
Dephosphorizing Flux and Method for Preparing Same
Annealing Separating Agent Composition for Grain-Oriented Electrical Steel Sheet, Grain-Oriented Electrical Steel Sheet, and Method for Manufacturing Grain Oriented Electrical Steel Sheet
Non-Oriented Electrical Steel Sheet and Manufacturing Method Therefor
Zinc Alloy Plated Steel Material Having Excellent Weldability and Processed-Part Corrosion Resistance
Method for Refining Magnetic Domain of Grain-Oriented Electrical Steel Plate and Device Therefor
Non-Oriented Electrical Steel Sheet and Manufacturing Method Therefor
Zinc-Based Plated Steel Sheet Having Post-Treated Coating Formed Thereon
Casting Sliding Gate
High-Strength Steel Having Excellent Fracture Initiation Resistance and Fracture Propagation Arrestability at Low Temperature and Method of Manufacturing the Same
Magnesium Alloy Sheet and Method for Manufacturing Same
Plated Steel Sheet for Hot Press Forming Having Excellent Impact Property, Hot Press Formed Part, and Manufacturing Method Thereof
Zinc-Based Plated Steel Material Having Excellent Sealer Adhesion
Non-Oriented Electrical Steel Sheet and Manufacturing Method Therefor
Non-Oriented Electrical Steel Sheet and Manufacturing Method Therefor
Steel Sheet Having Excellent Resistance to Liquid Metal Embrittlement Cracks and Method for Manufacturing the Same
Austenitic Stainless Steel Product Having Excellent Surface Properties and Manufacturing Method of the Same
High-Strength Hot-Dip Zinc Plated Steel Material Having Excellent Plating Properties and Method for Preparing Same
Method for Refining Magnetic Domains of Grain-Oriented Electrical Steel Sheet
Grain-Oriented Electrical Steel Sheet and Magnetic Domain Refinement Method Therefor
Non-Oriented Electrical Steel Sheet and Manufacturing Method Therefor
Grain-Oriented Electrical Steel Sheet and Manufacturing Method Therefor
Composition for Washing Pickled Steel Plate, Method for Washing Pickled Steel Plate by Using Same, and Steel Plate Obtained Thereby
High-Hardness Wear-Resistant Steel and Method for Manufacturing Same
Zinc Alloy Plated Steel Material Having Excellent Surface Quality and Corrosion Resistance
Insulation Film Composition for Grain-Oriented Electrical Steel Sheet, Method for Forming Insulation Film for Grain-Oriented Electrical Steel Sheet Using Same, and Grain-Oriented Electrical Steel Sheet
Steel Sheet for Hot Press Formed Member Having Excellent Resistance to Hydrogen Delayed Fracture and Method for Manufacturing Thereof
Hot-Dip Galvanized Steel Sheet Having Excellent Low-Temperature Adhesion and Workability
Gold-Colored Steel Sheet and Manufacturing Method Thereof
Ferritic Stainless Steel Having Excellent High-Temperature Oxidation Resistance, and Manufacturing Method Therefor
High-Strength Steel Sheet with Excellent Crashworthiness Characteristics and Formability and Method of Manufacturing the Same
High-Strength Steel Sheet with Excellent Crashworthiness Characteristics and Formability and Method of Manufacturing the Same
Roll Stamping Apparatus and Method
Plating Steel Sheet for Hot Press Forming, Forming Member Using Same, and Manufacturing Method Therefor
Wear-Resistant Steel Having Excellent Hardness and Impact Toughness, and Method for Producing Same
Clad Steel Plate Having Excellent Strength and Formability, and Production Method Therefor
Surface-Treated Metallic Material with Easy Control of Glossiness and Manufacturing Method Therefor
Steel Material for Low Yield Ratio, High-Strength Steel Pipe Having Excellent Low-Temperature Toughness, and Manufacturing Method Therefor
Alloy-Plated Steel Material Having Excellent Corrosion Resistance and High Surface Quality
Manufacturing Method of Surface-Treated Zinc-Nickel Alloy Electroplated Steel Sheet Having Excellent Corrosion Resistivity and Paintability
Stainless Steel for Separation Plate of Polymer Electrolyte Membrane Fuel Cell Having Improved Hydrophilic Property and Corrosion Resistance, and Manufacturing Method Therefor
High-Hardness Wear-Resistant Steel and Method for Manufacturing Same
Non-Oriented Electrical Steel Sheet and Method for Producing Same
Ferritic Stainless Steel for Automotive Exhaust System with Improved Heat Resistance and Condensate Corrosion Resistance, and Method for Manufacturing the Same
Multilayered Zinc Alloy Plated Steel Material Having Excellent Spot Weldability and Corrosion Resistance
Austenite-Based Molten Aluminum-Plated Steel Sheet Having Excellent Properties of Plating and Weldability
Composite Material Steel Sheet
High Strength Steel Sheet Having Excellent Formability and Manufacturing Method Thereof
Ultra High Strength Hot Rolled Steel Sheet Having Low Deviation of Mechanical Property and Excellent Surface Quality, and Method for Manufacturing Same
Steel Sheet with Excellent Bake Hardening Properties and Plating Adhesion and Manufacturing Method Therefor
Low-Temperature Steel Plate Having Excellent Impact Toughness, and Method for Manufacturing Same
Wire Rod for Cold Heading, Processed Product Using Same, and Manufacturing Method Therefor
Cold-Rolled Steel Plate for Hot Forming, Having Excellent Corrosion-Resistance and Spot-Weldability, Hot-Formed Member, and Method for Manufacturing Same
Method for Producing Alloy Steel
Related Assignments
(17)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
May 25, 2017
From: KO, HYUN-SEOK; HAN, KYU-SEOK; PARK, HYUNG-KI; SEO, JIN-WOOK
To: POSCO
Reel/Frame 042510/0427 →
Assignment of Assignor's Interest
Apr 3, 2018
From: MUN, DONG-JUN; RYU, GEUN-SOO; LEE, SANG-YOON; LEE, JAE-SEUNG
To: POSCO
Reel/Frame 045427/0866 →
Assignment of Assignor's Interest
Jun 4, 2018
From: KONG, JUNG HYUN
To: POSCO
Reel/Frame 045978/0499 →
Assignment of Assignor's Interest
Jun 6, 2018
From: SEO, SEOK-JONG
To: POSCO
Reel/Frame 046003/0537 →
Assignment of Assignor's Interest
Jun 11, 2018
From: LEE, UN-HAE; KIM, SUNG-KYU; LEE, SOON-GI; KIM, YONG-JIN
To: POSCO
Reel/Frame 046044/0953 →
Assignment of Assignor's Interest
Jun 20, 2018
From: MIN, GWAN-SIK; LEE, PIL-JONG; KO, SEONG-HYUN; KWON, HUI-SEOP
To: POSCO
Reel/Frame 046151/0866 →
Assignment of Assignor's Interest
Jun 20, 2018
From: LEE, PIL-JONG; KANG, JONG-IIOON; KWON, HUI-SEOP; MIN, GWAN-SIK
To: POSCO
Reel/Frame 046151/0960 →
Assignment of Assignor's Interest
Jun 21, 2018
From: KIM, JONG HEE; KIM, KWANG MIN; LEE, JAE HWA; CHUNG, YANG JIN
To: POSCO
Reel/Frame 046168/0350 →
Assignment of Assignor's Interest
Jun 21, 2018
From: KIM, HEUNG-YUN; HWANG, HYEON-SEOK; KIM, YOUNG-HA
To: POSCO
Reel/Frame 046164/0885 →
Assignment of Assignor's Interest
Jun 26, 2018
From: PARK, RHO-BUM; SONG, YON-KYUN; PARK, JI-HOON; YUN, HOON
To: POSCO
Reel/Frame 046451/0797 →
Corrective Assignment to Correct the Spelling of the Second Inventor's Name Previously Recorded on Reel 046151 Frame 0960. Assignor(S) Hereby Confirms the Assignment.
Jul 11, 2018
From: LEE, PIL-JONG; KANG, JONG-HOON; KWON, HUI-SEOP; MIN, GWAN-SIK
To: POSCO
Reel/Frame 047822/0772 →
Assignment of Assignor's Interest
Jul 23, 2018
From: LEE, GYOO TAEK; CHUN, MYUNG SIK; HONG, SEONG CHEOL; MIN, KI YOUNG
To: POSCO
Reel/Frame 046434/0440 →
Assignment of Assignor's Interest
May 16, 2019
From: KIM, SANG-HEON; HWANG, HYEON-SEOK; LEE, SUK-KYU; JEON, SUN-HO
To: POSCO
Reel/Frame 049200/0703 →
Assignment of Assignor's Interest
Jun 5, 2019
From: HAN, SANG-HO; LEE, JE-WOONG
To: POSCO
Reel/Frame 049376/0243 →
Assignment of Assignor's Interest
Jun 14, 2019
From: KO, KYOUNG-PIL; NAM, KYUNG-HOON; KIM, TAE-YEOB; LEE, DONG-YOEUL
To: POSCO
Reel/Frame 049473/0986 →
Assignment of Assignor's Interest
Jun 18, 2019
From: KIM, YOUNG-HA; CHOI, CHANG-SIK; SONG, YON-KYUN; MIN, KWANG-TAI
To: POSCO
Reel/Frame 049505/0258 →
Change of Name
Sep 28, 2022
From: POSCO
To: POSCO HOLDINGS INC.
Reel/Frame 061561/0923 →