Company Profile

Company name Yachiyo-Koki Co., Ltd.
Location 3-5-5, Fukuei cho, Yao shi, Osaka, Japan
Representative CEO, Nishizawa Yasunori
Established in March 1946
Founded in June 1976
Capital stock 50 million yen
Number of employees 80
Main banks
  • The Bank of Tokyo-Mitsubishi UFJ, Ltd.
  • Risona Bank, Limited
  • Sumitomo Mitsui Banking Corporation
Contractor license number Osaka prefectural governor’s permission (Han (general)-25) No.108820
Type of permitted industry Steel structures construction industry
Various certifications
Display certification of Japanese Industrial Standards (JIS)

Certification number: JQ0508179
JIS E 2201: metal fittings for overhead lines for electric car tracks

ISO certification

Certification of JIS Q 9001:2015 (ISO 9001:2015) obtained
Registration number JUSE-RA-484:
Design, development and manufacture of metal fittings, tools and machines, for traffic-related construction and maintenance.

History

1946 Establishment of Osaka Branch Office of SEIKI KOGYOSHO Co., Ltd.
1948 Establishment of SANKYO KOGYO Co., Ltd. in order to operate, manufacture and sell the metal fittings required for use in overhead lines for electric car tracks.
1950 Merger of both companies with the establishment, when the Manufacturing Department commenced operation, of the new name: YACHIYO Electrical Construction Co., Ltd.
1953 Acquisition of JIS display certified-works (metal fittings for electric car tracks) No.2622; permitted by the Minister of International Trade and Industry.
1956 Acquisition of JIS display certified-works (metal fittings for street car tracks) No.5029; permitted by the Minister of International Trade and Industry.
1965 Manufacturing Department relocated to its current position in Konoike Shinden.
1970 JIS display certifications Nos. 2622 and 5029 were declined. The works were relocated. Acquisition of JIS display certified-works (metal fittings for electric car tracks) No.570112; permitted by the Minister of International Trade and Industry.
1976 Separation of the Manufacturing Department of YACHIYO Electrical Construction Co., Ltd. in order to become an independent company taking the name Yachiyo-Koki Co., Ltd. The results of this were that previous sales activities were exceeded.
1987 Introduction of CAD system, together with the process of automatic welding (robot).
1992 New establishment of Higashi-osaka Center and the beginnings of active promotion of mechanization and rationalization.
1996 50th anniversary of establishment and the 20th anniversary of foundation as Yachiyo-Koki Co., Ltd.
1998 Permission granted by the Osaka prefectural governor to operate as a steel structure’s constructor (Han (general)-10) No. 108820 as per the Construction Business Act. A courtesy call was also paid the company by the Higashi-osaka Tax Office due to the fact that we were identified as being a corporation that promptly made and presented reports.
2001 Acquisition of certification ISO 9001:2000 (JUSE-RA-484) for the Head Office and Higashi-osaka Center.
2006 60th anniversary of establishment and the 30th anniversary of foundation as Yachiyo-Koki Co., Ltd.
2008 Acquisition of JIS mark display certification, certification No. JQ 0508179, JIS Number: JIS E 2201.
2009 Renewal of "ISO 9001:2008" (JUSE-RA-484) for the Head Office and Higashi-osaka Center.
2016 70th anniversary of establishment and the 40th anniversary of foundation as Yachiyo-Koki Co., Ltd.
2022 head office factory will be newly established and moved to Fukuei-cho, Yao City, Osaka Prefecture.