JP7077309B2 - 優れた伸びフランジ成形性及びエッジ疲労性能を有する熱間圧延高強度鋼の製造方法 - Google Patents

優れた伸びフランジ成形性及びエッジ疲労性能を有する熱間圧延高強度鋼の製造方法 Download PDF

Info

Publication number
JP7077309B2
JP7077309B2 JP2019515628A JP2019515628A JP7077309B2 JP 7077309 B2 JP7077309 B2 JP 7077309B2 JP 2019515628 A JP2019515628 A JP 2019515628A JP 2019515628 A JP2019515628 A JP 2019515628A JP 7077309 B2 JP7077309 B2 JP 7077309B2
Authority
JP
Japan
Prior art keywords
ferrite
less
steel
hot
mpa
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.)
Active
Application number
JP2019515628A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019533082A (ja
JP2019533082A5 (enExample
Inventor
ロルフ、アルヤン、レイケンベルフ
マキシム、ペーテル、アールンツ
パウル、ヨゼフ、ベリーナ
アンドリュー、パウル、バス
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tata Steel Ijmuiden BV
Original Assignee
Tata Steel Ijmuiden BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tata Steel Ijmuiden BV filed Critical Tata Steel Ijmuiden BV
Publication of JP2019533082A publication Critical patent/JP2019533082A/ja
Publication of JP2019533082A5 publication Critical patent/JP2019533082A5/ja
Application granted granted Critical
Publication of JP7077309B2 publication Critical patent/JP7077309B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • 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
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • C21D2211/002—Bainite
    • 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
    • C21D2211/004—Dispersions; Precipitations
    • 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
    • C21D2211/005—Ferrite
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
JP2019515628A 2016-09-22 2017-09-22 優れた伸びフランジ成形性及びエッジ疲労性能を有する熱間圧延高強度鋼の製造方法 Active JP7077309B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16190061.8 2016-09-22
EP16190061 2016-09-22
PCT/EP2017/074072 WO2018055098A1 (en) 2016-09-22 2017-09-22 A method of producing a hot-rolled high-strength steel with excellent stretch-flange formability and edge fatigue performance

Publications (3)

Publication Number Publication Date
JP2019533082A JP2019533082A (ja) 2019-11-14
JP2019533082A5 JP2019533082A5 (enExample) 2020-11-12
JP7077309B2 true JP7077309B2 (ja) 2022-05-30

Family

ID=57083103

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019515628A Active JP7077309B2 (ja) 2016-09-22 2017-09-22 優れた伸びフランジ成形性及びエッジ疲労性能を有する熱間圧延高強度鋼の製造方法

Country Status (10)

Country Link
US (1) US11242579B2 (enExample)
EP (1) EP3516085B1 (enExample)
JP (1) JP7077309B2 (enExample)
KR (1) KR102473782B1 (enExample)
CN (1) CN109790595B (enExample)
BR (1) BR112019002826B1 (enExample)
CA (1) CA3034549A1 (enExample)
ES (1) ES2808342T3 (enExample)
MX (1) MX384876B (enExample)
WO (1) WO2018055098A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019215132A1 (en) 2018-05-08 2019-11-14 Tata Steel Ijmuiden B.V. Steel strip, sheet or blank having improved formability and method to produce such strip
CN109147873B (zh) * 2018-07-13 2021-09-21 江西理工大学 一种预测微合金钢焊接粗晶区晶粒尺寸的方法
CN113316650B (zh) * 2019-02-18 2023-07-14 塔塔钢铁艾默伊登有限责任公司 高强度钢带材
CZ2019542A3 (cs) * 2019-08-19 2020-09-02 Západočeská Univerzita V Plzni Způsob výroby ocelových dílů z AHS oceli řízeným lokálním ochlazováním médiem, využívající tvorbu vícefázové struktury s přerušovaným chlazením na požadované teplotě
WO2021180964A1 (en) * 2020-03-13 2021-09-16 Tata Steel Ijmuiden B.V. Hot rolled steel strip having improved properties
KR102397583B1 (ko) * 2020-09-25 2022-05-13 주식회사 포스코 연신율이 우수한 고강도 후물 열연강판 및 그 제조방법
DE102021104584A1 (de) 2021-02-25 2022-08-25 Salzgitter Flachstahl Gmbh Hochfestes, warmgewalztes Stahlflachprodukt mit hoher lokaler Kaltumformbarkeit sowie ein Verfahren zur Herstellung eines solchen Stahlflachprodukts
KR20250049304A (ko) * 2022-08-09 2025-04-11 타타 스틸 이즈무이덴 베.뷔. 열간압연 고강도 강대 및 그 제조 방법
KR20240080209A (ko) * 2022-11-28 2024-06-07 주식회사 포스코 다단프레스 성형성이 우수한 열연강판 및 이의 제조방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004162107A (ja) 2002-11-12 2004-06-10 Nippon Steel Corp 成形性と溶接後処理性に優れた高強度鋼板
JP2008285741A (ja) 2007-05-21 2008-11-27 Sumitomo Metal Ind Ltd 高強度熱延鋼板及びその製造方法
WO2012128206A1 (ja) 2011-03-18 2012-09-27 新日本製鐵株式会社 プレス成形性に優れた熱延鋼板及びその製造方法
US20160199892A1 (en) 2013-08-30 2016-07-14 Hyundai Steel Company High-strength hot-rolled plated steel sheet and method for manufacturing the same

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3945180B2 (ja) * 2000-04-13 2007-07-18 住友金属工業株式会社 穴広げ性および延性が優れた高強度合金化溶融亜鉛めっき鋼板および高強度鋼板と、それらの製造方法
CA2395901C (en) 2000-10-31 2006-07-18 Nkk Corporation High strength hot rolled steel sheet and method for manufacturing the same
JP4555694B2 (ja) * 2005-01-18 2010-10-06 新日本製鐵株式会社 加工性に優れる焼付け硬化型熱延鋼板およびその製造方法
JP4819489B2 (ja) * 2005-11-25 2011-11-24 Ｊｆｅスチール株式会社 一様伸び特性に優れた高強度鋼板およびその製造方法
US8657970B2 (en) 2008-03-26 2014-02-25 Nippon Steel & Sumitomo Metal Corporation Hot-rolled steel sheet excellent in fatigue properties and stretch-flange formability and method for manufacturing the same
KR101109953B1 (ko) * 2008-09-29 2012-02-24 현대제철 주식회사 연신율과 신장플랜지성이 우수한 고장력 열연강판 및 그 제조방법
JP5041084B2 (ja) * 2010-03-31 2012-10-03 Ｊｆｅスチール株式会社 加工性に優れた高張力熱延鋼板およびその製造方法
JP5041083B2 (ja) * 2010-03-31 2012-10-03 Ｊｆｅスチール株式会社 加工性に優れた高張力溶融亜鉛めっき鋼板およびその製造方法
JP5838796B2 (ja) * 2011-12-27 2016-01-06 Ｊｆｅスチール株式会社 伸びフランジ性に優れた高強度熱延鋼板およびその製造方法
JP5994356B2 (ja) * 2012-04-24 2016-09-21 Ｊｆｅスチール株式会社 形状凍結性に優れた高強度薄鋼板およびその製造方法
MX365792B (es) * 2012-05-08 2019-06-14 Tata Steel Ijmuiden Bv Pieza de chasis automotriz hecha de lámina de acero laminada en caliente, formable, de alta resistenica.
JP5821864B2 (ja) 2013-01-31 2015-11-24 Ｊｆｅスチール株式会社 バーリング加工性に優れた高強度熱延鋼板およびその製造方法
ES2698105T3 (es) * 2013-02-11 2019-01-31 Tata Steel Ijmuiden Bv Una banda o lámina de acero laminado en caliente de alta resistencia con excelente conformabilidad y rendimiento de fatiga y un método para fabricar dicha banda o lámina de acero
EP2987883B1 (en) 2013-04-15 2019-05-08 JFE Steel Corporation High-strength hot-rolled steel sheet and method for manufacturing same
CN107849651B (zh) * 2015-07-31 2019-09-03 日本制铁株式会社 高强度热轧钢板
KR102010358B1 (ko) 2018-07-02 2019-08-14 김경훈 형강 파일 인발기

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004162107A (ja) 2002-11-12 2004-06-10 Nippon Steel Corp 成形性と溶接後処理性に優れた高強度鋼板
JP2008285741A (ja) 2007-05-21 2008-11-27 Sumitomo Metal Ind Ltd 高強度熱延鋼板及びその製造方法
WO2012128206A1 (ja) 2011-03-18 2012-09-27 新日本製鐵株式会社 プレス成形性に優れた熱延鋼板及びその製造方法
US20160199892A1 (en) 2013-08-30 2016-07-14 Hyundai Steel Company High-strength hot-rolled plated steel sheet and method for manufacturing the same

Also Published As

Publication number Publication date
BR112019002826B1 (pt) 2022-12-13
KR20190058476A (ko) 2019-05-29
ES2808342T3 (es) 2021-02-26
KR102473782B1 (ko) 2022-12-02
CN109790595A (zh) 2019-05-21
MX384876B (es) 2025-03-14
WO2018055098A1 (en) 2018-03-29
EP3516085A1 (en) 2019-07-31
EP3516085B1 (en) 2020-07-08
US20190352736A1 (en) 2019-11-21
JP2019533082A (ja) 2019-11-14
BR112019002826A2 (pt) 2019-05-21
CN109790595B (zh) 2021-01-26
US11242579B2 (en) 2022-02-08
CA3034549A1 (en) 2018-03-29
MX2019003292A (es) 2019-05-20

Similar Documents

Publication Publication Date Title
JP7077309B2 (ja) 優れた伸びフランジ成形性及びエッジ疲労性能を有する熱間圧延高強度鋼の製造方法
JP6874857B2 (ja) 高強度熱延鋼板およびその製造方法
CN108350542B (zh) 具有优异的拉伸凸缘成形性的热轧高强度可轧制成形钢片材和制造所述钢的方法
KR102102005B1 (ko) 열간압연 강 스트립 제조 방법 및 상기 제조 방법에 의해 제조된 강 스트립
KR20190109459A (ko) 고강도 열연 강판 및 그의 제조 방법
JP7244723B2 (ja) 耐久性に優れた高強度鋼材及びその製造方法
CN115038801A (zh) 具有高扩孔比的热轧高强度钢带
JP4901623B2 (ja) 打ち抜き穴広げ性に優れた高強度薄鋼板およびその製造方法
JP7666761B1 (ja) 高強度鋼板およびその製造方法
US20230295783A1 (en) Hot-rolled steel sheet
WO2021153037A1 (ja) 熱延鋼板
WO2022044494A1 (ja) 熱延鋼板
JP7168137B1 (ja) 高強度鋼板およびその製造方法
CN114829654B (zh) 热轧钢板
CN112292468A (zh) 可变轧制的钢带材、片材或坯料及其制备方法
US20220380876A1 (en) Hot-rolled steel sheet
JP2023504150A (ja) 耐久性に優れた厚物複合組織鋼及びその製造方法
JP7168136B1 (ja) 高強度鋼板およびその製造方法
JP7192819B2 (ja) 高強度鋼板およびその製造方法
JP7192818B2 (ja) 高強度鋼板およびその製造方法
JP2021508001A (ja) 拡管性に優れた熱延鋼板及びその製造方法
JP7678370B2 (ja) 熱延鋼板

Legal Events

Date Code Title Description
A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20200918

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200918

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20210921

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20211001

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20211224

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20220419

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20220518

R150 Certificate of patent or registration of utility model

Ref document number: 7077309

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250