Yokowo Co., Ltd.

About Yokowo

Quality Control System

A quality assurance system recognized the world-over.

Quality Policy

Yokowo is committed to achieving quality that delivers customer satisfaction. To do that, we respond diligently to the development and improvement requirements of the world-class companies that are leading the global technological revolution, establish optimal quality standards for all products we produce, and make effectively use of our proprietary technology.

Quality Control Activities

Since its founding, Yokowo has been carrying out exhaustive quality assurance activities through quality management with the view to becoming a supplier of top-quality products. Yokowo was certified with the ISO 9001 in 1995 and, subsequently, with the QS-9000 in 1999. Yokowo shifted from its certification to the IATF16949 certification in 2018.
Additionally, Yokowo's principal production bases in Japan and overseas have obtained the ISO certification and the Yokowo Group as a whole implements quality assurance activities in an effort to boost customer satisfaction.

DOMESTIC
ISO Certifications Certificate Registration No. Certification Body
YOKOWO CO., LTD. ISO9001:2015 JMI-0150 JQA
YOKOWO COMMUNICATION COMPONENTS & SYSTEM CO., LTD.
YOKOWO PRECISION CO., LTD.
YOKOWO CO., LTD.
(Medical Devices Business)
ISO13485:2016 Q5 078509 0005 Rev.01 TUV SUD
OVERSEAS
ISO Certifications Certificate Registration No. Certification Body
DONGGUAN YOKOWO CAR COMPONENTS CO., LTD. IATF16949:2016 0378827/2020A249 CASC
ISO9001:2015 01221Q30051R4M CEPREI
YOKOWO ELECTRONICS (M) SDN. BHD. QMS 00435 SIRIM QAS International
YOKOWO MANUFACTURING OF AMERICA LLC 951 04 2780 TUV SUD
YOKOWO VIETNAM CO., LTD. FM 720360 bsi

*Reference: ISO Certification Acquisitions

Quality Testing Equipment

Yokowo has introduced a large number of environmental composite testers and other testing equipment to its Reliability Laboratory and is constantly working to supply premium-quality products that are compatible with the latest technological innovations.

Reliability Test Equipment
  • Liquid Type Thermal Shock ChamberLiquid Type Thermal
    Shock Chamber
  • Micro Vickers Hardness TesterMicro Vickers
    Hardness Tester
  • Rattle Noise Measurement Evaluation DeviceRattle Noise Measurement
    Evaluation Device
Analysis Equipment
  • Field Emission SEMField Emission SEM
  • FT/IR : Fourier Transform Infrared Microscope SpectrometerFT/IR : Fourier
    Transform Infrared
    Microscope Spectrometer
  • X-ray CT SolverX-ray CT Solver
  • Contact Probe's CT ImageContact Probe's
    CT Image