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Other Disclosures4461DKS Co.Ltd.Materials and Chemicals

Cellulose nanofibers affect ice crystal morphology

In a joint study with Kyoto Institute of Technology, 第一工業製薬 confirmed that adding the cellulose nanofiber product “Rheocrysta®” makes ice crystals finer and suppresses the uneven distribution of components during freezing. The research findings were published in an academic journal.

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Announced details

Reo Crysta® (cellulose material)
Applicable field (uses covered by this announcement)
FoodMedical productsAdvanced materials
Contract DateMay 2023 (Agreement on Comprehensive Technical Exchange)
What the company reported numerically
Quantitative Effects

The parties confirmed that ice crystals become finer and that freezing progresses while suppressing the localization of components. Specific figures: not disclosed.

Relationship between the counterparty and the company
DKS Co.Ltd.4461
Relationship with the Company

The parties concluded an agreement on comprehensive technical exchange in May 2023 and have engaged in joint research, technical consultations, sharing of research information, personnel exchanges, and research collaboration.

CounterpartyNational University Corporation Kyoto Institute of Technology

Head office: Kyoto; President: Yoshimoto Masahiro (吉本 昌弘). Other details: not disclosed.

In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.

Source (materials cited by the company)

Academic journal Heat and Mass Transfer, Vol. 62, Issue 4 (Springer Nature, published 26 March 2026)

Announced details
ItemDetails
Names of Products / Services CoveredReo Crysta® (cellulose material)
CounterpartyNational University Corporation Kyoto Institute of Technology
Counterparty overviewHead office: Kyoto; President: Yoshimoto Masahiro (吉本 昌弘). Other details: not disclosed.
Relationship with the CompanyThe parties concluded an agreement on comprehensive technical exchange in May 2023 and have engaged in joint research, technical consultations, sharing of research information, personnel exchanges, and research collaboration.
Contract DateMay 2023 (Agreement on Comprehensive Technical Exchange)
Applicable areaFood, Medical products, Advanced materials
Quantitative EffectsThe parties confirmed that ice crystals become finer and that freezing progresses while suppressing the localization of components. Specific figures: not disclosed.
SourceAcademic journal Heat and Mass Transfer, Vol. 62, Issue 4 (Springer Nature, published 26 March 2026)
Items this document does not state (10)
Contract ValueOffering priceLaunch dateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocationLocation scaleUsage historyImpact on Business Performance

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The reasons the company gives

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The joint research was conducted through continued exchanges of views and technical discussions among the researchers under the comprehensive technical exchange agreement concluded in May 2023.

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Cellulose nanofibers affect ice crystal morphology | DKS Co.Ltd. (4461) timely disclosure | Komori