Atonarp is a scientific instrumentation company that designs & manufactures tools for molecular analysis. 

Atonarp is pioneering the field of chemical composition analysis by combining state-of-the-art electronics and data processing algorithms.

Atonarp was founded in 2010 by Prakash Murthy & Tomoyoshi SATO. The company is headquartered in Tokyo, Tokyo, Japan with additional offices in California and Bangaluru.


Atonarp uses data science - statistical modelling, noise characterization, machine learning and data analytics - to provide accurate measurements at a fraction of the cost of traditional equipment.


Atonarp offers a suite of molecular diagnostics products, including the ATON-360™, an end-to-end platform that enables lab-quality results using optical sensors.


Atonarp's currently marketed molecular sensing platforms, Aston™ for semiconductor and process monitoring, and LyoSentinel™ for Pharma, have transformed how its customers manage and optimize process controls.


Atonarp is backed by SBI Investment, WRVI Capital, Innovation Network Corporation of Japan, Japan Post Investment, Walden Riverwood Ventures, and others. The company raised $50M in Series D round on May 18, 2021. This brings Atonarp's total funding to $107M to date.



  • Year founded: 2010
  • Funding Info: $107M over 4 Rounds (Latest Funding Type: Series D)
  • Yearly Revenue: NA
  • Employee Size: 51-200
  • Business Valuation: NA
  • City/Town: Tokyo
  • State: Tokyo
  • Country: Japan
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