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4045 on Tokyo Stock Exchange

Toagosei

Logo: Toagosei Co., Ltd., Public domain, via Wikimedia Commons3

Japanese chemical manufacturer

Toagosei Co., Ltd. (東亞合成株式会社, Tōa Gōsei Kabushiki-gaisha) is a Japanese chemical company, producing cyanoacrylate adhesives since 1963. Other chemical products of the company include high purity gases, soda and chlorine products, and instant glue, which is sold in Japan as Aron Alpha and marketed in the United States as Krazy Glue. The company was originally named Yahagi Kogyo and was founded by Momosuke Fukuzawa in 1933 with the manufacturing of ammonium sulfate, sulfuric acid, and nitric acid as its products.2 Its shares trade on Tokyo Stock Exchange under the symbol 4045.1 Wikipedia text CC BY-SA 4.0

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Last updated Oct 21, 2026.

Overview

1942Founded1

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  • Ticker4045 on Tokyo Stock Exchange1
  • Industrychemical industry1
  • HeadquartersMinato1
  • Websitewww.toagosei.co.jp
  • Legal formkabushiki gaisha1

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Toagosei head office
Photo: Mayuno, CC BY-SA 3.0, via Wikimedia Commons4

Toagosei Co., Ltd. (東亞合成株式会社, Tōa Gōsei Kabushiki-gaisha) is a Japanese chemical company, producing cyanoacrylate adhesives since 1963. Other chemical products of the company include high purity gases, soda and chlorine products, and instant glue, which is sold in Japan as Aron Alpha and marketed in the United States as Krazy Glue.2

The story

Founded by Momosuke Fukuzawa in 1942.1

Leadership

Who has led Toagosei, and when. Pick a name to see everywhere that person has worked.

Products and brands

  • Krazy Glue
  • ammonium sulfate
  • hydrochloric acid
  • oxetane
  • potassium hydrogen carbonate
  • sodium hydroxide
  • sodium hypochlorite
  • tetrachloroethylene
  • trichloroethene

Listed on Wikidata.1

Timeline

  1. 1942Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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