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 ISO/TS 16949 certification in 2005.
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)
ISO13485:2003 Q1N 17 08 78509 004 TUV SUD
OVERSEAS
ISO Certifications Certificate Registration No. Certification Body
DONGGUAN YOKOWO ELECTRONICS CO., LTD. ISO9001:2008 FM 39923 bsi
DONGGUAN YOKOWO CAR COMPONENTS CO., LTD. IATF16949:2016 0284895/2018A010 IATF/CASC
ISO9001:2015 01218Q30014R3M CEPREI
YOKOWO ELECTRONICS (M) SDN. BHD. ISO9001:2015 QMS 00435 SIRIM QAS International
YOKOWO MANUFACTURING OF AMERICA LLC ISO9001:2008 951 04 2780 TUV SUD
YOKOWO VIETNAM CO., LTD. ISO9001:2015 VN.3845942 BUREAU VERITAS

*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
  • Vibration TesterVibration Tester
  • Water-proof Test MachineWater-proof Test Machine
  • Drop Shock TesterDrop Shock Tester
  • Liquid Type Thermal Shock ChamberLiquid Type Thermal
    Shock Chamber
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