CN110997962A - 具有优异的强度和延伸率的热轧钢板及其制造方法 - Google Patents
具有优异的强度和延伸率的热轧钢板及其制造方法 Download PDFInfo
- Publication number
- CN110997962A CN110997962A CN201880050706.5A CN201880050706A CN110997962A CN 110997962 A CN110997962 A CN 110997962A CN 201880050706 A CN201880050706 A CN 201880050706A CN 110997962 A CN110997962 A CN 110997962A
- Authority
- CN
- China
- Prior art keywords
- less
- rolled steel
- hot
- steel sheet
- martensite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12951—Fe-base component
- Y10T428/12958—Next to Fe-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12951—Fe-base component
- Y10T428/12972—Containing 0.01-1.7% carbon [i.e., steel]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12951—Fe-base component
- Y10T428/12972—Containing 0.01-1.7% carbon [i.e., steel]
- Y10T428/12979—Containing more than 10% nonferrous elements [e.g., high alloy, stainless]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2017-0100390 | 2017-08-08 | ||
KR1020170100390A KR101940919B1 (ko) | 2017-08-08 | 2017-08-08 | 우수한 강도와 연신율을 갖는 열연강판 및 제조방법 |
PCT/KR2018/004271 WO2019031681A1 (ko) | 2017-08-08 | 2018-04-12 | 우수한 강도와 연신율을 갖는 열연강판 및 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110997962A true CN110997962A (zh) | 2020-04-10 |
CN110997962B CN110997962B (zh) | 2022-02-22 |
Family
ID=65272242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201880050706.5A Active CN110997962B (zh) | 2017-08-08 | 2018-04-12 | 具有优异的强度和延伸率的热轧钢板及其制造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11186892B2 (zh) |
JP (1) | JP6997855B2 (zh) |
KR (1) | KR101940919B1 (zh) |
CN (1) | CN110997962B (zh) |
WO (1) | WO2019031681A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113151645B (zh) * | 2021-04-14 | 2022-07-15 | 鞍钢集团北京研究院有限公司 | 一种抗疲劳性优异的高延展性马氏体时效钢及其制备方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4614551A (en) * | 1979-01-12 | 1986-09-30 | Nippon Steel Corporation | Process for producing low yield ratio, high strength two-phase steel sheet having excellent artificial ageing property after working |
CN1263168A (zh) * | 1999-02-09 | 2000-08-16 | 川崎制铁株式会社 | 高强度热轧钢板及其制造方法 |
JP2001234282A (ja) * | 2000-02-21 | 2001-08-28 | Kawasaki Steel Corp | 温間プレス成形性に優れた高張力熱延鋼板およびその製造方法 |
CN101696483A (zh) * | 2005-01-18 | 2010-04-21 | 新日本制铁株式会社 | 加工性优异的烧结硬化型热轧钢板及其制造方法 |
KR20140083819A (ko) * | 2012-12-26 | 2014-07-04 | 주식회사 포스코 | 고강도 열연강판, 이를 이용한 용융아연도금강판, 합금화 용융아연도금강판 및 이들의 제조방법 |
CN106460124A (zh) * | 2014-06-17 | 2017-02-22 | Posco公司 | 具有优异的膨胀性和抗挤强度的可膨胀的高强度钢材和膨胀的高强度钢管及其制造方法 |
WO2017068756A1 (ja) * | 2015-10-19 | 2017-04-27 | Jfeスチール株式会社 | ホットプレス部材およびその製造方法 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2930772B2 (ja) * | 1991-05-21 | 1999-08-03 | 新日本製鐵株式会社 | 溶接熱影響部靱性の優れた高マンガン超高張力鋼 |
JPH05255813A (ja) | 1991-12-24 | 1993-10-05 | Nippon Steel Corp | 加工性と制振性能に優れた高強度合金 |
US5454883A (en) | 1993-02-02 | 1995-10-03 | Nippon Steel Corporation | High toughness low yield ratio, high fatigue strength steel plate and process of producing same |
KR100340546B1 (ko) | 1997-11-25 | 2002-07-18 | 이구택 | 망간편석부위의마르텐사이트형성을억제할수있는선재의제조방법 |
KR100957944B1 (ko) | 2007-12-28 | 2010-05-13 | 주식회사 포스코 | 신장플랜지성 및 용접성이 우수한 고강도 열연강판,열연산세강판 및 그 제조방법 |
JP5194858B2 (ja) | 2008-02-08 | 2013-05-08 | Jfeスチール株式会社 | 高強度熱延鋼板およびその製造方法 |
KR101091294B1 (ko) | 2008-12-24 | 2011-12-07 | 주식회사 포스코 | 고강도 고연신 강판 및 열연강판, 냉연강판, 아연도금강판 및 아연도금합금화강판의 제조방법 |
CN101696488B (zh) | 2009-10-19 | 2011-09-28 | 重庆理工大学 | 镁合金表面磁控溅射铝/钛复合涂层及其工艺方法 |
KR101185320B1 (ko) | 2009-10-29 | 2012-09-21 | 현대제철 주식회사 | 초고강도 열연강판 및 그 제조방법 |
JP5287770B2 (ja) | 2010-03-09 | 2013-09-11 | Jfeスチール株式会社 | 高強度鋼板およびその製造方法 |
KR101382981B1 (ko) | 2011-11-07 | 2014-04-09 | 주식회사 포스코 | 온간프레스 성형용 강판, 온간프레스 성형 부재 및 이들의 제조방법 |
EP2808413B1 (en) | 2012-01-26 | 2017-04-26 | JFE Steel Corporation | High-strength hot-rolled steel sheet and method for producing same |
KR101428168B1 (ko) | 2012-07-05 | 2014-08-07 | 주식회사 포스코 | 열간 프레스 성형(hpf) 제품의 제조방법 |
KR101461715B1 (ko) | 2012-09-05 | 2014-11-14 | 주식회사 포스코 | 초고강도 냉연강판 및 그의 제조방법 |
KR101490567B1 (ko) | 2012-12-27 | 2015-02-05 | 주식회사 포스코 | 용접성이 우수한 고망간 내마모강 및 그 제조방법 |
KR101299896B1 (ko) | 2013-05-30 | 2013-08-23 | 주식회사 포스코 | 인장강도 1.5GPa급의 초고강도 강판의 제조방법 |
KR101543918B1 (ko) | 2013-12-25 | 2015-08-11 | 주식회사 포스코 | 형상 품질이 우수한 초고강도 냉연강판 및 그 제조방법 |
KR20160074768A (ko) | 2014-12-18 | 2016-06-29 | 주식회사 포스코 | 초고강도 냉연강판 및 그 제조방법 |
KR101639919B1 (ko) | 2014-12-24 | 2016-07-15 | 주식회사 포스코 | 항복강도 및 성형성이 우수한 열연강판 및 그 제조방법 |
KR101677396B1 (ko) | 2015-11-02 | 2016-11-18 | 주식회사 포스코 | 성형성 및 구멍확장성이 우수한 초고강도 강판 및 이의 제조방법 |
KR101758522B1 (ko) * | 2015-12-23 | 2017-07-17 | 주식회사 포스코 | 항복강도 및 구멍확장성이 우수한 초고강도 고연성 강판 및 그 제조방법 |
WO2018055695A1 (ja) * | 2016-09-21 | 2018-03-29 | 新日鐵住金株式会社 | 鋼板 |
-
2017
- 2017-08-08 KR KR1020170100390A patent/KR101940919B1/ko active IP Right Grant
-
2018
- 2018-04-12 US US16/629,757 patent/US11186892B2/en active Active
- 2018-04-12 WO PCT/KR2018/004271 patent/WO2019031681A1/ko active Application Filing
- 2018-04-12 JP JP2020502209A patent/JP6997855B2/ja active Active
- 2018-04-12 CN CN201880050706.5A patent/CN110997962B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4614551A (en) * | 1979-01-12 | 1986-09-30 | Nippon Steel Corporation | Process for producing low yield ratio, high strength two-phase steel sheet having excellent artificial ageing property after working |
CN1263168A (zh) * | 1999-02-09 | 2000-08-16 | 川崎制铁株式会社 | 高强度热轧钢板及其制造方法 |
JP2001234282A (ja) * | 2000-02-21 | 2001-08-28 | Kawasaki Steel Corp | 温間プレス成形性に優れた高張力熱延鋼板およびその製造方法 |
CN101696483A (zh) * | 2005-01-18 | 2010-04-21 | 新日本制铁株式会社 | 加工性优异的烧结硬化型热轧钢板及其制造方法 |
KR20140083819A (ko) * | 2012-12-26 | 2014-07-04 | 주식회사 포스코 | 고강도 열연강판, 이를 이용한 용융아연도금강판, 합금화 용융아연도금강판 및 이들의 제조방법 |
CN106460124A (zh) * | 2014-06-17 | 2017-02-22 | Posco公司 | 具有优异的膨胀性和抗挤强度的可膨胀的高强度钢材和膨胀的高强度钢管及其制造方法 |
WO2017068756A1 (ja) * | 2015-10-19 | 2017-04-27 | Jfeスチール株式会社 | ホットプレス部材およびその製造方法 |
Non-Patent Citations (2)
Title |
---|
唐荻等: "《高品质热轧板带钢理论基础及品种开发》", 31 October 2016, 冶金工业出版社 * |
崔忠圻: "《金属学与热处理》", 31 October 1994, 机械工业出版社 * |
Also Published As
Publication number | Publication date |
---|---|
US20200157649A1 (en) | 2020-05-21 |
US11186892B2 (en) | 2021-11-30 |
WO2019031681A1 (ko) | 2019-02-14 |
CN110997962B (zh) | 2022-02-22 |
JP2020528495A (ja) | 2020-09-24 |
JP6997855B2 (ja) | 2022-01-18 |
KR101940919B1 (ko) | 2019-01-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101271974B1 (ko) | 극저온 인성이 우수한 고강도 강재 및 그 제조방법 | |
KR100414937B1 (ko) | 냉간 가공성이 우수한 기계 구조용 봉강 또는 강선 및 그제조 방법 | |
JP4161935B2 (ja) | 熱延鋼板およびその製造方法 | |
WO2014061270A1 (ja) | 高強度冷延鋼板およびその製造方法 | |
JPH05179396A (ja) | 低降伏比高強度熱延鋼板およびその製造方法 | |
KR102166592B1 (ko) | 철근 및 그 제조방법 | |
KR101070132B1 (ko) | 저온 인성이 우수한 건설용 강재 및 그 제조방법 | |
KR101518600B1 (ko) | 충격특성이 우수한 초고강도 열연강판 및 그 제조방법 | |
KR102517187B1 (ko) | 박강판 및 그의 제조 방법 | |
CN110997962B (zh) | 具有优异的强度和延伸率的热轧钢板及其制造方法 | |
KR101726139B1 (ko) | 연신율 및 충격 인성이 우수한 열간 프레스 부재 및 그 제조방법 | |
KR101193655B1 (ko) | 고강도 및 고연성을 갖는 고망간 규소 함유 강판 및 그 제조방법 | |
KR102020390B1 (ko) | 성형성이 우수한 고강도 강판 및 이의 제조방법 | |
KR101736602B1 (ko) | 충격인성이 우수한 선재 및 이의 제조방법 | |
CN112442638A (zh) | 抗拉强度500MPa以上的热轧车轮用钢及其制造方法 | |
CN117966037A (zh) | 各方向的材质偏差少的析出硬化型钢板及其制造方法 | |
KR101736601B1 (ko) | 충격인성이 우수한 선재 및 이의 제조방법 | |
KR100555581B1 (ko) | 균일한 소성변형 특성을 갖는 냉연강판 및 그 제조방법 | |
KR20240098674A (ko) | 강판 및 그 제조방법 | |
KR101455464B1 (ko) | 극후 강판 및 그 제조 방법 | |
KR101696097B1 (ko) | 충격인성이 우수한 고강도 비조질 선재 및 이의 제조방법 | |
KR20160063168A (ko) | 강재 및 그 제조 방법 | |
KR20150025910A (ko) | 고강도 열연강판 및 그 제조 방법 | |
KR20230023097A (ko) | 성형성이 우수한 고강도 열연강판 및 이의 제조방법 | |
KR101344563B1 (ko) | 고탄소강 및 그 제조 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: Seoul, South Kerean Patentee after: POSCO Holdings Co.,Ltd. Patentee after: POSTECH ACADEMY-INDUSTRY FOUNDATION Address before: Gyeongbuk, South Korea Patentee before: POSCO Patentee before: POSTECH ACADEMY-INDUSTRY FOUNDATION |
|
CP03 | Change of name, title or address | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230616 Address after: Gyeongbuk, South Korea Patentee after: POSCO Co.,Ltd. Patentee after: POSTECH ACADEMY-INDUSTRY FOUNDATION Address before: Seoul, South Kerean Patentee before: POSCO Holdings Co.,Ltd. Patentee before: POSTECH ACADEMY-INDUSTRY FOUNDATION |
|
TR01 | Transfer of patent right |