Our History
The Sugita Wire logo is based on the founder Yojiro Sugita’s initials—the character “Yo” enclosed in a circle. This design is derived from a signature that Yojiro himself actually used, symbolizing the founder’s spirit that continues to be passed down to this day.
The line beneath the circle represents stability, grounding the logo firmly, and embodies the strong aspiration to be number one.
This logo, symbolizing the founder’s spirit and the company’s philosophy, remains a proud emblem of Sugita Wire and its commitment to future challenges.
1915-1977
- 1915 (Taisho 4)
- Founded in Fukagawa Ward, Tokyo City (now Koto Ward, Tokyo).
- 1935 (Showa 10)
- Headquarters and factory relocated to the current location: 3-1-12 Higashisumida, Sumida-ku, Tokyo.
- 1945 (Showa 20)
- 95% of the factory was destroyed during the Tokyo air raids. Operations resumed two months later.
- 1952 (Showa 27)
- Started manufacturing high carbon steel wire for cold forging. Began supplying materials for communication equipment and automotive screws.
- 1954 (Showa 29)
- Began production of alloy steel wire for cold forging, targeting high-strength bolts for the automotive industry.
- 1958 (Showa 33)
- Introduced oil tempering furnaces and started manufacturing alloy steel oil-tempered wire for automotive suspension springs.
- 1965 (Showa 40)
- Established Shinko Sugita Wire Co., Ltd. (now Ichikawa Factory) as a second production site through joint investment with Kobe Steel, Ltd. and Nissho Iwai Corporation (now Sojitz Corporation).
- 1969 (Showa 44)
- Developed and started mass production of non-tempered steel “LH wire” for 8.8-grade bolts.
- 1977 (Showa 52)
- Started manufacturing the water treatment flocculant “Politetu” and established a waste sulfuric acid recycling system.
- 1995 (Heisei 7)
- Began reconstruction of the Tokyo headquarters factory due to partial land acquisition for new roads. (Completed in 2000)
2000-2024
Future
- 2000 (Heisei 12)
- Obtained ISO 9002 certification for quality management systems.
- 2002 (Heisei 14)
- Obtained ISO 14001 certification for environmental management systems.
- 2015 (Heisei 27)
- Celebrated the 100th anniversary of the company’s founding.
- 2018 (Heisei 30)
- Obtained IATF 16949:2016 certification for quality management systems specific to the automotive industry.
- 2021 (Reiwa 3)
- Introduced a large wire drawing machine capable of handling wire diameters up to 55.0 mm.
- 2022 (Reiwa 4)
- Received the “Health & Productivity Management Organization” certification for the first time.
- 2024 (Reiwa 6)
- Installed an environmentally friendly flow-type patenting furnace. Future
