| 1912 |
1912: Founder Tsunekichi Taguma invents the "Takuma-style Steam Generator" |
| 1912 |
Founder Tsunekichi Taguma invented the 'Takuma-style steam boiler' |
| 1930 |
1930: Tsunekichi Taguma is recognized as one of the top ten inventors of the Meiji and Taisho periods |
| 1930 |
Tsunekichi Taguma was awarded as one of the top ten inventors of the Meiji and Taisho periods |
| 1936 |
1936: Begins design and manufacturing of "Tsunekichi Boilers" (subsequently developing various boilers fueled by coal and heavy oil) |
| 1936 |
Started designing and manufacturing 'Tsunekichi boilers' |
| 1938 |
1938: Establishes Takuma Steam Generator Manufacturing Co., Ltd. (now Takuma Co., Ltd.) in Amagasaki, Hyogo Prefecture |
| 1938 |
Established 'Taguma Boiler Manufacturing Co., Ltd.' (now Takuma Co., Ltd.) in Amagasaki City, Hyogo Prefecture |
| 1941 |
1941: Establishes Tokyo Boiler Construction Co., Ltd. (now Sunplant Co., Ltd.) as a boiler installation contractor |
| 1941 |
Founded 'Tokyo Kiryoku Construction Co., Ltd.' (now Sunplant Co., Ltd.) as a boiler installation company |
| 1942 |
1942: Constructs and begins operation of Harima Factory (Takasago City, Hyogo Prefecture) as a boiler manufacturing and production base |
| 1942 |
Constructed and began operation of Harima Factory (Takasago City, Hyogo Prefecture) |
| 1949 |
1949: Listed on the Tokyo and Osaka Stock Exchanges |
| 1949 |
1949: First in the industry to export bagasse (sugarcane residue) boilers to Taiwanese sugar factories (subsequently supplying biomass boilers fueled by bagasse, scrap, waste, and palm residues worldwide) |
| 1949 |
Listed on the Tokyo Stock Exchange and Osaka Securities Exchange |
| 1952 |
1952: Pioneered delivery of waste heat recovery boilers for smelting companies (subsequently supplying boilers utilizing waste heat from various manufacturing processes) |
| 1952 |
Delivered waste heat recovery boilers to smelting companies |
| 1953 |
1953: Relocated headquarters to Kita-ku, Osaka |
| 1953 |
Relocated headquarters to Kita-ku, Osaka City |
| 1958 |
1958: Decided to expand into the environmental field |
| 1958 |
Decided to expand into the environmental sector |
| 1961 |
1961: Established Takuma Clayton Service Co., Ltd. (now Japan Thermoener Co., Ltd.) to handle installation and after-sales service of "Clayton Steam Generators" |
| 1961 |
Established 'Takuwa Clayton Service Co., Ltd. (now Japan Thermoener Co., Ltd.)', which performs installation work and after-sales service for 'Clayton Steam Generator' |
| 1962 |
In 1962: Delivered Japan's first fully continuous mechanical waste incineration plant |
| 1962 |
Acquired Japan Kiko, which handles human waste treatment and sewage treatment facilities |
| 1963 |
In 1963: Delivered Japan's first sewage sludge incinerator with a heat recovery boiler (Toyohira River Sewage Treatment Plant, Sapporo City, Hokkaido) |
| 1963 |
Delivered Japan's first fully continuous mechanical waste incineration plant (Sumiyoshi Factory, Osaka City) |
| 1965 |
In 1965: Delivered our first industrial waste treatment plant with a waste heat boiler |
| 1965 |
Delivered an industrial waste treatment plant with waste heat boiler |
| 1971 |
In 1971: Established 'Kyushu Sanitary Maintenance Co., Ltd.', which operates waste incineration plants (later expanded into various operation management companies, now evolved into Takuma Technos Inc.) |
| 1971 |
Established 'Kyushu Sanitary Maintenance Co., Ltd.', which manages the operation of waste incineration plants |
| 1972 |
In 1972: Changed company name to 'Takuma Co., Ltd.' |
| 1972 |
Changed company name to 'Takuma Co., Ltd.' |
| 1973 |
In 1973: Delivered Japan's first sewage sludge incinerator with a heat recovery boiler (Toyohira River Sewage Treatment Plant, Sapporo City, Hokkaido) |
| 1973 |
In 1973: Delivered our first bulky waste crushing and sorting plant (Ibaraki City, Osaka Prefecture) |
| 1973 |
Delivered Japan's first sewage sludge incinerator with heat recovery boiler (Toyohira River Sewage Treatment Plant, Sapporo, Hokkaido) |
| 1973 |
Delivered bulky waste crushing and sorting plant (Ibaraki City Hygiene Treatment Plant, Ibaraki Prefecture) |
| 1975 |
In 1975: Developed and mass-produced the world's first vacuum-type hot water generator 'Bakotin Heater' |
| 1975 |
Developed and mass-produced the world's first vacuum-type hot water generator 'Bacotin Heater' |
| 1979 |
In 1979: Delivered our first upward-flow moving bed sand filter 'Uniflo Sand Filter' |
| 1979 |
Delivered upward flow moving bed sand filter |
| 1980 |
In 1980: Delivered our first resource recovery plant (Fujimi Recycle Center, Fujimi Sanitary Union, Tokyo) |
| 1980 |
Delivered resource recovery plant (Fujimi Hygiene Union, Fujimi Hygiene Union Recycling Center) |
| 1981 |
In 1981: Delivered a bagasse-fired boiler to one of the world's largest (at the time) sugar factories (Kenana Sugar Co., Ltd., Sudan) |
| 1981 |
Delivered bagasse-fired boiler to one of the world's largest sugar factories (Kenana Sugar Co., Ltd., Sudan) |
| 1986 |
In 1986: Delivered our first overseas waste incineration plant (Olmsted, Minnesota, USA) |
| 1986 |
Delivered waste incineration plant for overseas markets (Orrnstead, Minnesota, USA) |
| 1988 |
In 1988: Established a local subsidiary in Taiwan, 'Taiwan Takuma Co., Ltd.' (now 'Taitian Environmental Engineering Co., Ltd.') to handle plant sales, construction, and maintenance |
| 1988 |
Established local subsidiary 'Taiwan Takuwa Co., Ltd. (now Taiwan Tanda Environmental Engineering Co., Ltd.)' in Taiwan |
| 1992 |
In 1992: Delivered Taiwan's first large-scale waste incineration plant (Neihu Factory, Taipei City, Taiwan) |
| 1992 |
Delivered Taiwan's first large-scale waste incineration plant (Neihu Factory, Taipei, Taiwan) |
| 1994 |
In 1994: Developed chemical filters for the semiconductor industry and started sales through Daan Industries Co., Ltd. (now Daan Takuma Co., Ltd.) |
| 1994 |
Developed and started selling chemical filters for the semiconductor industry |
| 1995 |
In 1995: Constructed Takuma Building in Amagasaki City, Hyogo Prefecture, and relocated headquarters there |
| 1995 |
Constructed Takuma Building in Amagasaki, Hyogo Prefecture, and relocated headquarters |
| 1998 |
In 1998: Delivered Japan's largest waste incineration plant (Shin-Ekō Tōkyō 23 Wards Waste Management Union, Shin-Ekō Tōkyō Incineration Plant) |
| 1998 |
Delivered Japan's largest waste incineration plant (Shin-Ekō Tō Clean-up Plant, Tokyo 23 Wards) |
| 1999 |
In 1999: Acquired shares of Daan Industries Co., Ltd. (now Daan Takuma Co., Ltd.) |
| 1999 |
Acquired shares of Dan Sangyo Co., Ltd. (now Dan Takuma Co., Ltd.) |
| 2002 |
In 2002: Established a local subsidiary in Thailand, 'Siam Takuma Co., Ltd.', for plant sales, construction, and maintenance |
| 2002 |
Established a local subsidiary in Thailand, "Siam Takuma Co., Ltd." |
| 2005 |
In 2005: Delivered Japan's first waste incineration plant to China (Tianjin, Tianjin TEDA Environmental Protection Co., Ltd.) |
| 2005 |
Delivered the first waste incineration plant in China (Tianjin Taida Environmental Co., Ltd., Tianjin, China) |
| 2006 |
2006: Delivered our first biomass boiler plant for a Thai power generation project (Thailand - Gulf Yala Green Co., Ltd.) |
| 2006 |
Delivered biomass boilers for power generation in Thailand (Gulf Yala Green Co., Ltd., Thailand) |
| 2007 |
2007: Delivered our first waste treatment plant using DBO method, commencing 20-year facility operation (Kanagawa Prefecture, Fujisawa City, Northern Environmental Business Office No. 1 Furnace) |
| 2007 |
Delivered a DBO-type waste treatment plant and commenced operation (Fujisawa City, Kanagawa Prefecture, Northern Environmental Business Office No. 1 Furnace) |
| 2010 |
2010: Delivered Japan's first waste-to-energy plant within the EU (UK - Lakeside Energy from Waste Ltd.) |
| 2010 |
Delivered Japan's first waste-to-energy plant within the EU using a waste incineration plant from a Japanese plant manufacturer (Lakeside Energy from Waste Ltd., UK) |
| 2013 |
2013: Delivered Japan's first biomass gas recovery plant and waste treatment facility using a stoker-type incinerator combined system (Minami-Awaji City, Hyogo Prefecture, Minami-Awaji Wide Area Administrative Union Minami-Awaji Clean Center) |
| 2013 |
Delivered a waste treatment facility using a combined system of Japan's first biogas recovery plant and stoker-type incinerator |
| 2014 |
2014: Delivered our first biomass power plant for the FIT system (Renewable Energy Fixed Price Purchase System) |
| 2014 |
Delivered a biomass power generation plant for the Feed-in Tariff (FIT) scheme for renewable energy |
| 2015 |
2015: Established 'Takuma Energy Co., Ltd.', a company engaged in power retail business |
| 2015 |
Established "Takuma Energy Co., Ltd." engaged in electricity retail business |
| 2018 |
2018: Delivered Japan's first phase-free (※) waste treatment facility (Imabari City, Ehime Prefecture, Imabari City Clean Center) |
| 2018 |
Delivered Japan's first phase-free waste treatment facility (Imabari City, Ehime Prefecture, Imabari City Clean Center) |
| 2019 |
2019: Established 'Solution Lab', a remote plant monitoring and operation support center within the head office premises |
| 2019 |
Established a remote plant monitoring and operation support center, "Solution Lab," on the company premises |
| 2020 |
2020: Constructed and started operation of the Takuma Building New Wing (Training Center) within the head office premises |
| 2020 |
Constructed and started operation of a new Takuma Building (training center) on the company premises |
| 2023 |
2023: Delivered Japan's largest biomass power plant (Tomakomai City, Hokkaido, Yufutsu Energy Center LLC) |
| 2023 |
2023: Completed renewal work at Harima Factory (Takasago City, Hyogo Prefecture) and commenced operation: Opened 'Supply Lab', an after-sales service center within the same factory |
| 2023 |
Delivered one of the largest biomass power plants in Japan (Tomakomai City, Hokkaido, Yufutsu Energy Center LLC) |
| 2023 |
Completed the renewal work at Harima Factory and started operation. Established an after-sales service center, "Supply Lab," within the factory |
