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Other Disclosures4461DKS Co.Ltd.Materials and Chemicals

Upcycling Underutilized Potassium Components into Fertilizer: 四日市合成 Launches Joint Research with the University of Shizuoka

四日市合成 began joint research with the University of Shizuoka in April 2026 to verify whether unused potassium components generated during the manufacturing process can be used as fertilizer. Cultivation trials are currently being conducted to evaluate yields and quality.

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Announced details

Fertilizer raw materials using potassium components
Applicable field (uses covered by this announcement)

Fertilizers, agriculture, resource recycling

Launch dateApril 2026 (joint research commenced; actual)
Relationship between the counterparty and the company
DKS Co.Ltd.4461
Relationship with the Company

四日市合成 and the University of Shizuoka are conducting joint research. 四日市合成 is a group company of Daiichi Kogyo Seiyaku.

CounterpartyUniversity of Shizuoka, a public university corporation

Headquarters: Shizuoka City; President: Imai Yasuyuki (今井康之). Assistant Professor Tokumura Masahiro (徳村雅弘) and others from the Physical Chemistry Laboratory, Department of Environmental Life Sciences, Faculty of Food and Nutritional Sciences, are participating in the research.

Location (as indicated in this announcement)

四日市合成株式会社: 1, 2-chome, Miyatohcho, Yokkaichi, Mie Prefecture

Impact on Business Performance

Supply stabilization, lower procurement risks, and new business opportunities are expected, but no specific amount of impact on business performance is stated.

The company does not address Contract Value / Offering price.

Announced details
ItemDetails
Names of Products / Services CoveredFertilizer raw materials using potassium components
CounterpartyUniversity of Shizuoka, a public university corporation
Counterparty overviewHeadquarters: Shizuoka City; President: Imai Yasuyuki (今井康之). Assistant Professor Tokumura Masahiro (徳村雅弘) and others from the Physical Chemistry Laboratory, Department of Environmental Life Sciences, Faculty of Food and Nutritional Sciences, are participating in the research.
Relationship with the Company四日市合成 and the University of Shizuoka are conducting joint research. 四日市合成 is a group company of Daiichi Kogyo Seiyaku.
Launch dateApril 2026 (joint research commenced; actual)
Applicable areaFertilizers, agriculture, resource recycling
Location四日市合成株式会社: 1, 2-chome, Miyatohcho, Yokkaichi, Mie Prefecture
Impact on Business PerformanceSupply stabilization, lower procurement risks, and new business opportunities are expected, but no specific amount of impact on business performance is stated.
Items this document does not state (10)
Contract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocation scaleQuantitative EffectsUsage historySource

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The reasons the company gives

The company's own explanation, not something inferred from the numbers.

The aim is to use unused potassium components as fertilizer raw materials, provide domestic alternatives to fertilizer raw materials that are highly dependent on imports, stabilize supply, reduce procurement risks, lower environmental impact through resource recycling, and create new business opportunities.

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Upcycling Underutilized Potassium Components into Fertilizer: 四日市合成 Launches Joint Research with the University of Shizuoka | DKS Co.Ltd. (4461) timely disclosure | Komori