Company Overview

Management Philosophy

We, as a company, believe in the society to which we belong. Our growth is proof of the greater recognition we continue to receive from society, while our profit is a reward for our efforts to expand and continually meet society’s needs.

Company Overview

FoundingSeptember 1, 1951
IncorporationJanuary 24, 1973
RepresentativeTakumi Sakata, Representative Director and President
Number of employees151 (as of December 2018)
Line of business(1) Design, development, manufacture, sale, installation and installation supervision of various types of housing construction fittings and hardware.
(2) Business involving electricity generation using natural energy and the sale of electricity.
(3) Design, development, manufacture, sale, installation and installation supervision of components used in the foundations of architectural and civil engineering structures.
(4) Any and all businesses incidental to each of the foregoing.
Our main fields of business include the design, development, manufacture, sale and installation supervision of metal folded-roof components and solar panel mounting hardware and frameworks for public facility (non-residential) and industrial use.
Offices[Head Office]
  Yoitamachi motoyoita 45, Nagaoka-shi, Niigata, 940-2403, Japan
  -Sales Division
[Sanjo Factory]
  Kuribayashi 500, Sanjo-shi, Niigata, 955-0085, Japan
[Agano Factory]
  4024-16 Kagayaki-ko, Agano, Niigata 959-2206
[Tokyo Sales Office]
  Aqua Kanda Building 3th floor, Kandasudacho 1-28, Chiyoda-ku, Tokyo, 101-0041, Japan
[Osaka Sales Office]
  No. 3 Nakajima Building 4th floor, Nishinakajima 5-11-10, Yodogawa-ku, Osaka, 532-0011, Japan
Member OrganizationsJapan Metal Roofing Association
Japan Photovoltaic Energy Association (JPEA)
Japan Society for the Promotion of Science, Member of the University-Industry Cooperative Research Committee
Member No.175 of the Next-Generation Solar Power Generation System Committee (Science Committee Member No.175)


1951Founded in Shimada, Sanjo-shi, Niigata as a manufacturer of (molding) planes
1963Began manufacturing construction hardware — primarily, rain gutter receivers
1965 Began manufacturing angled hardware
1973Incorporated; renamed as Sakata Ltd.
Began manufacturing metal folded-plate roof components with a capital of 2.5 million yen
1989Established a factory in Yoita-cho, Mishima-gun (currently Nagaoka-shi), Niigata
1990Reincorporated as Sakata Co., Ltd.
Began handling floor extension work (until the sixth phase of construction) in 1996
1993Opened the Osaka Sales Office
1998Opened the Tokyo Sales Office
2003Head Office certified under ISO 9001:2000
2004Consolidated all manufacturing functions of the Head Office/Factory into the Yoita Office for further rationalization
2005Relocated the Head Office functions to Yoita, Nagaoka-shi for centralized management of all functions
2008Stepped up solar-panel business operations
2009Relocated the Tokyo Office for expansion of solar-panel business
2010Certified under ISO-9001:2008
2011Registered under the Happy Partner Companies program
(Niigata prefectural program in support of corporate gender equality)
2013Head Office and Sanjo Factory certified under ISO 14001:2004
2014Construction of the Agano Factory (Agano, Niigata Prefecture) completed
Received the Niigata Governor’s Award for Fiscal 2014
Received the Corporate Excellence Prize in the 48th Good Company Awards
2015Received the 32nd Niigata Economy Promotion Award
Received the 2015 Japan Design Space Association DSA Design Award
Received the 2015 Good Design Award