| 1952 | Totaku Industries, Inc. began manufacturing vinyl products in Osaka |
| 1957 | Began manufacturing the world's first suction hose Additionally, received the Minister of International Trade and Industry Award for cleaner hoses |
| 1958 | Received the Minister for International Trade and Industry Award for Elastic Hose |
| 1961 | Completed and commenced operations at the Takatsuki plant |
| 1966 | Exported Totaku technologies to England, Germany, Italy, France, the U.S.A, Canada, and Belgium |
| 1969 | Exported our technologies to Korea |
| 1970 | Exported our technologies to South Africa |
| 1971 | Exported our technologies to India |
| 1971 | Exported our technologies to Greece and Spain |
| 1976 | Entered the rubber hose market |
| 1978 | Entered the civil engineering drainage pipe market |
| 1981 | Entered the underground electric cable protection pipe market |
| 1986 | Enter the underground protective pipes for power market |
| 1988 | Enter the large-diameter drainage pipes market |
| 1995 | Sennan Plant has started operations |
| 1996 | "Square TACLEX (KAKUGATA TACLEX) " has won the Good Design Gold Award from the Ministry of International Trade and Industry |
| 1997 | Kyusyu Plant has started operations |
| 2000 | Launch of the Non-PVC hose "TOTAKU ECO LINE" |
| 2003 | Acquired ISO 14001 certification at Kyushu Plant |
| 2004 | Completion of Kansai Rinku Plant |
| 2005 | Acquired ISO 14001 certification at Kansai Rinku Plant |
| 2010 | Launch of the "Totaku Simple Drainage Device" for bridge drainage materials |
| 2011 | Launch of the fluorine hose "TOTAKU FLUORO" |
| 2012 | Okinawa Plant has started operations |
| 2015 | Launch of the Non-PVC hose "TOTAKU ECO LINE-HO 100°C" |
| 2018 | Completion of Kanto Oyama Plant |
| 2019 | Launch of the reinforced corrugated rigid synthetic resin pipe "TOTAKU Cable Guard" |
| 2023 | Completed the switch to renewable energy sources for all purchased electricity at all plants |
| 2025 | The company changed its name to Nagase RooTAC Industries, Inc. in November. |
History
On November 1, 2025, TOTAKU INDUSTRIES, INC.
changed its name to Nagase RooTAC Industries, Inc.
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