JP7750397B2 - 固化体、路盤材および固化体の製造方法 - Google Patents

固化体、路盤材および固化体の製造方法

Info

Publication number
JP7750397B2
JP7750397B2 JP2024516577A JP2024516577A JP7750397B2 JP 7750397 B2 JP7750397 B2 JP 7750397B2 JP 2024516577 A JP2024516577 A JP 2024516577A JP 2024516577 A JP2024516577 A JP 2024516577A JP 7750397 B2 JP7750397 B2 JP 7750397B2
Authority
JP
Japan
Prior art keywords
solidified body
slag
wood
water
steelmaking slag
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
JP2024516577A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2024166476A1 (https=
JPWO2024166476A5 (https=
Inventor
建 星野
久宏 松永
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.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of JPWO2024166476A1 publication Critical patent/JPWO2024166476A1/ja
Publication of JPWO2024166476A5 publication Critical patent/JPWO2024166476A5/ja
Application granted granted Critical
Publication of JP7750397B2 publication Critical patent/JP7750397B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/14—Waste materials; Refuse from metallurgical processes
    • C04B18/141—Slags
    • C04B18/142—Steelmaking slags, converter slags
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B16/02—Cellulosic materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B16/04—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
    • C04B18/10—Burned or pyrolised refuse
    • C04B18/101—Burned rice husks or other burned vegetable material
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/18—Waste materials; Refuse organic
    • C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/18—Waste materials; Refuse organic
    • C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
    • C04B18/26—Wood, e.g. sawdust, wood shavings
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators or shrinkage compensating agents
    • C04B22/002—Water
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators or shrinkage compensating agents
    • C04B22/06—Oxides, Hydroxides
    • C04B22/062—Oxides, Hydroxides of the alkali or alkaline-earth metals
    • C04B22/064—Oxides, Hydroxides of the alkali or alkaline-earth metals of the alkaline-earth metals
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/006—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mineral polymers, e.g. geopolymers of the Davidovits type
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/08—Slag cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/08—Slag cements
    • C04B28/082—Steelmaking slags; Converter slags
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/10—Lime cements or magnesium oxide cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00017—Aspects relating to the protection of the environment
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Wood Science & Technology (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Road Paving Structures (AREA)
  • Processing Of Solid Wastes (AREA)
JP2024516577A 2023-02-07 2023-11-14 固化体、路盤材および固化体の製造方法 Active JP7750397B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023016777 2023-02-07
JP2023016777 2023-02-07
PCT/JP2023/040880 WO2024166476A1 (ja) 2023-02-07 2023-11-14 固化体、路盤材および固化体の製造方法

Publications (3)

Publication Number Publication Date
JPWO2024166476A1 JPWO2024166476A1 (https=) 2024-08-15
JPWO2024166476A5 JPWO2024166476A5 (https=) 2025-01-15
JP7750397B2 true JP7750397B2 (ja) 2025-10-07

Family

ID=92262865

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024516577A Active JP7750397B2 (ja) 2023-02-07 2023-11-14 固化体、路盤材および固化体の製造方法

Country Status (6)

Country Link
EP (1) EP4631925A1 (https=)
JP (1) JP7750397B2 (https=)
KR (1) KR20250128361A (https=)
CN (1) CN120641371A (https=)
AU (1) AU2023430021A1 (https=)
WO (1) WO2024166476A1 (https=)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000095548A (ja) 1998-07-24 2000-04-04 Matsushita Electric Works Ltd 無機硬化体の製造方法
JP2008030967A (ja) 2006-07-26 2008-02-14 Sumitomo Osaka Cement Co Ltd 木質セメント成形体の製造方法
US20110017101A1 (en) 2008-01-15 2011-01-27 Nguyen Evelyne Process for Producing a Granular Material
KR101079705B1 (ko) 2010-09-28 2011-11-03 유한회사 대호이엔씨 친환경고형물 및 친환경고형물의 제조방법.
JP2013256779A (ja) 2012-06-12 2013-12-26 Oji Holdings Corp 路盤材およびその製造方法
CN112537914A (zh) 2020-11-03 2021-03-23 河北博天建材科技有限公司 一种建筑用胶凝材料及其制备方法和应用、混凝土及其制备方法
CN112919834A (zh) 2021-01-27 2021-06-08 中钢集团马鞍山矿山研究总院股份有限公司 一种软土地基固化剂及用于固化软土地基的施工方法
CN113149530A (zh) 2021-04-29 2021-07-23 山东大学 一种赤泥改性泡沫轻质土及其制备方法和应用
WO2022270516A1 (ja) 2021-06-23 2022-12-29 Ｊｆｅスチール株式会社 粒状凝固スラグの製造方法およびその製造設備列

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3254395B2 (ja) * 1996-12-04 2002-02-04 株式会社クボタ セメント系建材および壁材の製造方法
JP5263190B2 (ja) 2003-11-25 2013-08-14 Ｊｆｅスチール株式会社 炭酸固化体の製造方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000095548A (ja) 1998-07-24 2000-04-04 Matsushita Electric Works Ltd 無機硬化体の製造方法
JP2008030967A (ja) 2006-07-26 2008-02-14 Sumitomo Osaka Cement Co Ltd 木質セメント成形体の製造方法
US20110017101A1 (en) 2008-01-15 2011-01-27 Nguyen Evelyne Process for Producing a Granular Material
KR101079705B1 (ko) 2010-09-28 2011-11-03 유한회사 대호이엔씨 친환경고형물 및 친환경고형물의 제조방법.
JP2013256779A (ja) 2012-06-12 2013-12-26 Oji Holdings Corp 路盤材およびその製造方法
CN112537914A (zh) 2020-11-03 2021-03-23 河北博天建材科技有限公司 一种建筑用胶凝材料及其制备方法和应用、混凝土及其制备方法
CN112919834A (zh) 2021-01-27 2021-06-08 中钢集团马鞍山矿山研究总院股份有限公司 一种软土地基固化剂及用于固化软土地基的施工方法
CN113149530A (zh) 2021-04-29 2021-07-23 山东大学 一种赤泥改性泡沫轻质土及其制备方法和应用
WO2022270516A1 (ja) 2021-06-23 2022-12-29 Ｊｆｅスチール株式会社 粒状凝固スラグの製造方法およびその製造設備列

Also Published As

Publication number Publication date
AU2023430021A1 (en) 2025-07-10
CN120641371A (zh) 2025-09-12
JPWO2024166476A1 (https=) 2024-08-15
KR20250128361A (ko) 2025-08-27
WO2024166476A1 (ja) 2024-08-15
EP4631925A1 (en) 2025-10-15

Similar Documents

Publication Publication Date Title
Wang et al. CO2 carbonation-induced improvement in strength and microstructure of reactive MgO-CaO-fly ash-solidified soils
Zhang et al. The effect of stone waste on the properties of cemented paste backfill using alkali-activated slag as binder
Chi et al. Effect of circulating fluidized bed combustion ash on the properties of roller compacted concrete
KR101815018B1 (ko) 굴패각을 이용한 친환경 건축자재 조성물과 친환경 건축자재 및 이의 제조방법
RU2705646C1 (ru) Бесцементное вяжущее вещество и его применение
CN1253921A (zh) 炼钢渣的造块方法
KR101543307B1 (ko) 순환유동층 보일러에서 발생한 탈황석고를 이용한 석산 매립용 친환경 채움재 및 제조방법
KR20140092699A (ko) 페트로 코크스 탈황석고를 이용한 고함수 슬러지 고화제 및 이를 이용한 고화토 제조방법
Pradhan et al. Influence of RHA on strength and durability properties of alkali activated concrete
CN101113090A (zh) 污水厂污泥无臭无三废制造免烧砖的方法
KR20240047715A (ko) 탄산칼슘을 포함하는 콘크리트 블록 조성물 및 이의 제조방법
KR101410796B1 (ko) 속경성 해상 심층혼합공법용 고화재
KR20170028236A (ko) 천연광석 분말을 포함하는 친환경 미장용 첨가제와 그것을 이용한 미장용 시멘트 및 몰탈
JP7750397B2 (ja) 固化体、路盤材および固化体の製造方法
KR20130134415A (ko) 비소성 무기결합제를 활용한 친환경블록 및 그 제조방법
KR101611441B1 (ko) 천연광석 분말을 포함하는 친환경 미장용 첨가제와 그것을 이용한 미장용 시멘트 및 몰탈
KR101611434B1 (ko) 식물성 첨가제를 포함하는 친환경 미장용 첨가제, 이를 이용한 미장용 시멘트 및 몰탈
KR20250016552A (ko) 친환경 저알카리성 콘크리트 조성물 및 이를 이용한 세굴방지 블록 제조방법
SU1286560A1 (ru) Сырьева смесь дл изготовлени безобжигового зольного грави
JP2026039791A (ja) 水硬性組成物、水硬性組成物の硬化体、及び水硬性組成物の硬化体の製造方法
CN114772997A (zh) 一种强化矿用固废混凝土及其制备方法
JP2026039790A (ja) コンクリートブロック及びコンクリートブロックの製造方法
JP2011051889A (ja) スラグ硬化体の製造方法
JP2026039788A (ja) 水硬性組成物、水硬性組成物の硬化体、及び水硬性組成物の硬化体の製造方法
JP2026039789A (ja) コンクリートブロック及びコンクリートブロックの製造方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240314

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240314

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250507

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250605

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: 20250826

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20250908

R150 Certificate of patent or registration of utility model

Ref document number: 7750397

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150