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Business Alliances4890Tsubota Laboratory IncorporatedPharmaceuticals

Notice Regarding the Execution of a Joint Research Agreement with ファルストマ株式会社

坪田ラボ entered into a joint research agreement with Pharstoma to assess the feasibility of developing ophthalmic drops using ultrafine bubble water. The companies will combine their ophthalmic research expertise and high-concentration UFB technology to explore applications in pharmaceutical development.

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Agreements reached under this partnership

Business Alliances
4890Tsubota Laboratory Incorporated
Alliance partnerPharstoma INC.
Details of the alliance
  1. 1

    Assessment of the feasibility of applying ultrafine bubble water to ophthalmic drops

  2. 2

    The companies will conduct applied research aimed at developing ophthalmic drops containing drugs that have been difficult to formulate using conventional technologies, as well as creating ophthalmic products based on new concepts, by leveraging the properties of high-concentration UFB water.

  3. 3

    By combining the technologies and expertise held by both companies, the companies will pursue new possibilities for pharmaceutical development in the ophthalmic field.

These are items that the documents state the two companies will work on. The lines above and below represent arrangements between the two companies.

About the partner
Business DescriptionResearch and development utilizing ultrafine bubble technology, among other activities
LocationMinato-ku, Tokyo
Impact on Business Performance

The impact of entering into this joint research agreement on results for the current fiscal year is currently expected to be limited.

Alliance start dateAs of the disclosure dated 7 September 2026, the disclosure states that the joint research had commenced, but the specific start date is not disclosed.
Agreements reached under this partnership
ItemDetails
Name of alliance partnerPharstoma INC.
Alliance partner's business activitiesResearch and development utilizing ultrafine bubble technology, among other activities
Alliance partner's locationMinato-ku, Tokyo
Type of allianceBusiness Alliances
Details of the allianceAssessment of the feasibility of applying ultrafine bubble water to ophthalmic drops, The companies will conduct applied research aimed at developing ophthalmic drops containing drugs that have been difficult to formulate using conventional technologies, as well as creating ophthalmic products based on new concepts, by leveraging the properties of high-concentration UFB water., By combining the technologies and expertise held by both companies, the companies will pursue new possibilities for pharmaceutical development in the ophthalmic field.
Alliance start dateAs of the disclosure dated 7 September 2026, the disclosure states that the joint research had commenced, but the specific start date is not disclosed.
Impact on Business PerformanceThe impact of entering into this joint research agreement on results for the current fiscal year is currently expected to be limited.
Items this document does not state (16)
Alliance partner's capitalAlliance partner's net salesAlliance partner's operating incomeNumber of shares acquiredAcquisition priceShareholding ratioOverview of the joint ventureOwnership ratioDispatch of directors and officersContract PeriodNumerical targets under the allianceShareholding PolicyDate of board resolutionContract DateShare Acquisition Date and Payment DateChange in major shareholders

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

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

To assess the feasibility of applying UFB water to ophthalmic drops by combining 坪田ラボ's research and development expertise in the ophthalmic field with Pharstoma's high-concentration UFB technology.

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Notice Regarding the Execution of a Joint Research Agreement with ファルストマ株式会社 | Tsubota Laboratory Incorporated (4890) timely disclosure | Komori