THE ONE

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Company

THEONE is a sustainable technology company that supports customer success through continuous innovation, proven quality,
and shared growth.

THEONE

has grown through proven results and steady progress.

2019 ~ Present

  • Received the Gyeonggi Venture Business Administration Award (2025)
  • Selected as a Gyeonggi Star Company (2023)
  • Secured multiple outdoor AMR supply contracts with Renault Samsung Motors, Hyosung Heavy Industries, and TK-Fujikin Korea
  • Started development of a 100 kW-class SiC inverter for in-wheel motor drive systems for electric vehicles
  • Secured contracts for the 4th, 5th, and 6th high-capacity submarine inverters
  • Achieved T3 certification as an outstanding technology-capable company (Korea Ratings & Data)
  • Secured a contract for SSD test chamber development (Samsung Electronics)
  • Developed the world’s first indoor-outdoor AMR with replaceable in-wheel modules
  • Registered a patent for an unmanned transfer system

2017 ~ 2018

  • Delivered the 3rd high-capacity submarine inverter
  • Registered a patent for an inverter equipped with a power supply unit
  • Delivered the 2nd high-capacity submarine inverter
  • Developed BLDC motor controllers for semiconductor and automotive applications
  • Developed portable SSD evaluation equipment (Samsung Electronics)

2014 ~ 2016

  • Delivered the 1st high-capacity submarine inverter
  • Established a mass production system for high-capacity inverters
  • Developed a high-capacity inverter for marine applications

2010 ~ 2013

  • Established a certified in-house research institute and obtained Venture Business and ISO 9001 certifications
  • Reorganized as THEONE Co., Ltd. (2013.02.26)
  • Developed and supplied an unmanned golf cart controller
  • Established THEONE System (2010.10.26)

  • Company

    THEONE Co., Ltd.

    CEO

    Kyeonghan Jeon

  • Address

    5F, Siwha High-Tech Knowledge Industry Center, 242 Seohaean-ro, Siheung-si, Gyeonggi-do, Korea

  • Tel

    +82-31-434-7471

    Fax

    +82-31-499-7473
COPYRIGHT(C) THEONE ALL RIGHT RESERVED.