CITIZEN FINEDEVICE CO., LTD. of Kitasaku-Gun, Nagano at COMPAMED 2020 in Düsseldorf -- MEDICA - World Forum for Medicine
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389-0295, Miyota-Machi, 389-0295 Kitasaku-Gun, Nagano
Telephone +81 267 311123
Fax +81 267 323930

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Kazuhiro Toriumi

Kazuhiro Toriumi



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Our range of products

Product categories

  • 02  Manufacturing of finished products
  • 02.16  Laboratory technologies
  • 02.16.01  Lab-on-a-chip


  • 02  Manufacturing of finished products
  • 02.17  Biomedical products
  • 07  Microtechnology
  • 07.07  Microfluidics


Our products

Product category: Biomedical products


Control micro liquids and specimen with high accuracy using MEMS technology
  • Contract manufacturing for chip & mold
  • High accuracy structure & shape
  • Various materials of Microfluidics Chip 
  • Functional thin film controls wettability
For your needs
  • Blood analysis <Blood flow & Concentration>
  • Cell analysis <Somatic cell separation & counting>
  • Micro-reactor <Drug discovery, Chemical synthesis>

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Product category: Biomedical products

Anchor plate for analysis

High hydrophobicity, High Performance, High integration
  • various substrate (Ceramics,Metal,glass,Si)
  • Conductive film,Colored film
  • Anchor function (hydrophilic/hydrophobic film)
  • Flatness, Robustness, Low price
For your needs
  • MALDI-TOF analysis
  • Bacteria analysis

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Product category: Biomedical products

Cell sorter & Cell counter System (Under development)

Cell control system with Microfluidics
  • Cell separation with Microfluidics
  • Short time inspection
  • Easy operation and maintenancemmended.
For your needs
  • Medical, Bio (Protein, Somatic cell)
  • Agriculture, Livestock (Health check)
  • Drug discovery <Screening>

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About us

Company portrait

CITIZEN FINEDEVICE is engaged in the manufacture and sales of precise metal machined components for automobiles, quartz devices and related components, ceramic components, ferroelectric liquid crystal display devices, combustion pressure sensors, measuring devices and motors, and develops products in a diverse range of business areas.  
What supports these products is our unique core technologies that we have built up over the years ; precise metal part machining technology, thin-film technology, brittle material machining technology, assembly technology and sealing technology. In addition, we use manufacturing equipment developed in house in order to maintain our unique value.

Our exhibits:
・Microfluidics for medical use
・Anchor plate for medical analysis
・Cell sorter & Cell counter system