Tokyo Silicone Co., Ltd.

Tokyo Silicone Co., Ltd. (東京シリコーン株式会社) is a Japanese company headquartered at 1-103-37 Yoshinodai, Kawagoe, Saitama, engaged in surface-modification technology, processing and research and development. Its core business is fluororesin coating — commonly known in Japan as Teflon processing — and it positions itself as a pioneer of surface-modification technology, a field it says it has led since its founding. The company was established in October 1954 and is led by President Mitsuhiro Suwabe (諏訪部 充弘), who also serves as representative director. Its stated management philosophy is to contribute to society through surface-modification technology and, through that contribution, to enrich the lives of employees and stakeholders both materially and spiritually. In its corporate message the company stresses that every physical object has a surface, that surfaces form interfaces, and that most scientific phenomena originate there — a framing it uses to argue for the breadth and importance of its specialty. Tokyo Silicone operates as part of a small corporate group. Its group companies include Fluorocoat Co., Ltd. (株式会社フロロコート), with headquarters in Kawagoe and additional operations in Okayama, Niigata and Nagoya, and Toshiko Co., Ltd. (株式会社トシコ), with headquarters and a Hikawa division in Kawagoe and a Tokai division in Ichinomiya, Aichi. The company's own operations are organized around a Kawagoe head office and works, an Okayama division, a Niigata division and a Nagoya site. Its main bank relationships are with Mizuho Bank and Saitama Resona Bank, and its stated capital is 157.5 million yen. Tokyo Silicone serves industrial customers that require high-quality surface treatment, and it markets itself on a willingness to take on difficult or unfamiliar requests — its corporate stance is never to say "we don't know, we don't understand, we can't do it" in its field, regardless of country or region. The company has also sought visibility beyond its industrial niche: in 2024 its representative, Mitsuhiro Suwabe, was interviewed in the May 24, 2024 issue of Newsweek international magazine, in a country report on Japan. The company remains a privately held, family-scale Japanese manufacturer rather than a listed enterprise.

Tokyo Silicone Co., Ltd. was founded in October 1954, during the period when surface-modification technology was taking shape in Japan. In its own account, the company has spent the decades since then building a position as a pioneer of surface-modification technology, with fluororesin coating as its main axis. Its corporate message notes that surface-modification technology in Japan produced remarkable results over roughly half a century, and places Tokyo Silicone within that trajectory. The company is based in Kawagoe, Saitama, where its head office and works are located at 1-103-37 Yoshinodai. Over time it expanded its operational footprint beyond Saitama: its corporate profile lists an Okayama division at Mitsu-Kawachi, Okayama City, a Niigata division in Nagaoka, and a Nagoya site in Ichinomiya, Aichi. These locations are shared with, or mirrored by, the group companies that make up its wider organization. Tokyo Silicone operates alongside affiliated companies rather than as a standalone entity. Fluorocoat Co., Ltd. (株式会社フロロコート) is headquartered at the same Kawagoe address as Tokyo Silicone and maintains the Kawagoe works plus Okayama, Niigata and Nagoya operations. Toshiko Co., Ltd. (株式会社トシコ) has its head office and Hikawa division in Kawagoe and a Tokai division in Ichinomiya, Aichi. This structure gives the group a presence in eastern Japan, western Japan and the Chubu region. The company is led by Representative Director and President Mitsuhiro Suwabe. Its stated capital is 157.5 million yen, and it banks with Mizuho Bank and Saitama Resona Bank. Its management philosophy — contributing to society through surface-modification technology and thereby enriching the lives of employees and stakeholders — is presented as the guiding principle of the business. In its corporate messaging, Tokyo Silicone frames its field in broad scientific terms: everything with form has a surface, surfaces create interfaces, and most scientific phenomena begin there. It presents itself as willing to engage with new and difficult needs from any country or region, and as committed to continued research and development, including emerging areas such as nanoparticle-based surface-modification technologies. In 2024 the company gained wider public visibility when an interview with Suwabe was published in the May 24, 2024 issue of Newsweek international magazine as part of a Japan country report.

• 2024

  An interview with representative Mitsuhiro Suwabe is published in the May 24, 2024 issue of Newsweek international magazine.

• 1954

  Tokyo Silicone Co., Ltd. is founded.

Pioneer and specialist of surface-modification technology, centered on fluororesin coating, serving industrial customers with demanding or unconventional surface-treatment needs.

• Fluororesin (Teflon) coating

  The company's main product line, described as its core business since founding.

• Surface-modification processing and R&D

  Processing and research and development based on surface-modification technology, listed as the company's main business.

1. 1東京シリコーン | ふっ素樹脂コーティング テフロン加工t-silicone.co.jp
2. 2Tokyo Silicone Co., Ltd. (Japan) — Wikidatawikidata.org