About Us

Company Name	Tera Probe, Inc.
Locations	■ Headquarters and Development Center 〒222-0033 KAKiYA Building, 2-7-17 Shin-Yokohama, Kohoku-ku, Yokohama City, Kanagawa TEL:+81-45-476-1011　FAX:+81-45-476-1012 More info ■ Kyushu Operation Center 〒869-5563 1580-1, Yunoura, Ashikita-machi, Ashikita-gun, Kumamoto TEL:+81-966-86-0470　FAX:+81-966-86-2431 More info
Business Contents	Wafer testing Final testing Testing technology development Worker dispatching
Worker Dispatching Business License	派14-302216 Information under the Act of Worker Dispatching Business (Japanese version only)
Special General Bulk Export License	Special General Comprehensive Export and Services (Program for Use) Transaction Permit YBIT-GL-21-S10034
Establishment	August 2005
Capital	11.8 billion yen （as of December 2024）
Employees	311 (as of June 2025)
Directors & Executives	■ Board of Directors Director Tsuyoshi Yokoyama Director Yoichi Kuroki Director D.K. Tsai Director Boris Hsieh Director Huck Shen Outside Director Koji Iwama Outside Director Naoki Mori Outside Director Michiari Kawano ■ Executive Officer President & Representative Executive Officer Tsuyoshi Yokoyama CFO Masayuki Nakagawa Quality Assurance Takayuki Ikeuchi Sales Minari Ikeda Production Hiroaki Harada Technology Development Yoichi Kuroki

Our Goal

History

2005

August	・Company established(Chuo-ku,Tokyo).
October	・Started wafer testing on DRAM products.

2006

September	・Opened Kyushu Operation Center & Started final testing on logic products.
November	・Started wafer testing on logic products.

2007

January	・Acquired Quality Management System ISO9001 certification at the Kyushu Operation Center.
March	・Moved Headquarters and Development Center to Shin-Yokohama, Kohoku-ku, Yokohama City, Kanagawa Prefecture. ・Succeeded facilities and equipment, etc., related to wafer testing from Hiroshima Elpida Memory, Inc. through a demerger and business transfer.
December	・Acquired Environmental Management System ISO14001 certification. ・Acquired Information Security Management System ISO27001 certification.

2008

September	・Started wafer testing business at the TeraPower Technology Inc., a jointly owned subsidiary.

2010

December	・Listed on The Tokyo Stock Exchange’s “Mothers” Section.

2012

March	・Acquired Occupational Health and Safety Management System (OHSAS)18001 certification.

2014

June	・Acquired Automotive Quality Management System ISO/TS16949 certification at the Headquarters and Development Center, and Kyushu Operation Center.

2015

September	・Agreed with AIZU FUJITSU SEMICONDUCTOR LIMITED to establish the joint venture company, AIZU FUJITSU SEMICONDUCTOR PROBE LIMITED(“ASFP”).

2017

February	・Acquired 100% shares of AFSP; AFSP changed its name to Tera Probe Aizu, Inc.
June	・Joined PTI（Powertech Technology Inc.）group.

2018

May	・Acquired Automotive Quality Management System IATF 16949 certification at the Kyushu Operation Center.

2019

March	・Transitioned to a “Company with Nominating Committee”.

2021

January	・Acquired Occupational Health and Safety Management System ISO45001 certification.
May	・Changed to the Second Section of the Tokyo Stock Exchange.

2022

April	・Changed to the Standard Market of the Tokyo Stock Exchange. ・Discontination of business operation at Tera Probe Aizu, Inc.

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