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Tanso Biosciences, Inc.
【Field/Business】
Drug discovery support/Contract service
Pharmaceutical/Drug Discovery
Consulting
last update:2026/8/7
Profile

Delegates :
Hideaki Ogasawara


Incorporated :
September  13 , 2018

Paid in Capital :
5 Million yen  

Employees :
2 人

Address :
#403, Todaimae HiRAKU GATE 2-3-10, Mukogaoka, Bunkyo City TOKYO
〒1130023

TEL/FAX :
+81 3 3868 2260‬ /

URL:
https://www.tansobio.com/

Attachment :
leaflet_tanso_en.pdf [ 842.9KiB ]

Mission/Background :
Researchers at the University of Tokyo invented a highly sensitive, comprehensive cell-based GPCR assay. Tanso Biosciences was founded in 2018 to commercialize it, patented in Japan (2023) and the US (2025; WO/2020/026979).
Our business has two pillars: contract screening of 550 human/mouse GPCRs, including hard-to-assay orphan, G12/13-, and Gi/o-coupled receptors, and in-house drug discovery. Since 2020, we have served repeat pharma, biotech, food, and academic clients in Japan, the US, and Europe.

Technology & Business
Founded in 2018, Tanso Biosciences began offering contract assay services in 2020. Since then, we have served clients in Japan, the US, and Europe, including pharma companies, biotech ventures, food companies, universities, and public research institutes, maintaining stable revenue and a high repeat rate.
Products & Service
Products & Service Name
Stage
Outline
Milestone
Comprehensive functional assay for 550 human and mouse GPCRs
Service/Marketing
We provide highly sensitive, comprehensive GPCR functional assays covering 550 human/mouse receptors in flexible formats.
To develop partnership with pharmaceuticals and biotechs
















Highlights
Founded in 2018, Tanso Biosciences began offering contract assay services in 2020. Since then, we have served clients in Japan, the US, and Europe, including pharma companies, biotech ventures, food companies, universities, and public research institutes, maintaining stable revenue and a high repeat rate. Our core technology was filed as an international patent by The University of Tokyo in 2019, under which Tanso holds an exclusive license; the patent was registered in Japan in 2023 and the US in 2025.
Hot news
International patent filed in July, 2019. Negotiation under NDA ongoing with several pharmaceuticals and biotechs.
Alliance strategy
We conduct GPCR functional assays on a contract basis. We also seek opportunities to collaborate with pharmaceuticals and biotechs in drug research.

 
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