| 1927-04 |
Our group was founded in April 1927 with the aim of selling smokeless coal from Pyongyang, Korea. |
| 1927-04 |
The Group's beginnings can be traced to the founding of Denko Anthracite Trading in April 1927 for the purpose of selling Korean anthracite. |
| 1929-09 |
The company reorganized into Tokyo Smokeless Coal Co., Ltd. in September 1929 and expanded into the manufacturing and sales of coke. |
| 1929-09 |
That company was reorganized to Tokyo Anthracite Co., Ltd. in September 1929, and started manufacturing and sales of charcoal briquettes. |
| 1934-04 |
In April 1934, Shinagawa Charcoal Co., Ltd. was established, expanding into the manufacturing and sales of charcoal. |
| 1934-04 |
In April 1934, Shinagawa Briquette Co., Ltd. was established and started manufacturing and sales of oval charcoal briquettes. |
| 1936-05 |
In May 1936, the company changed its name from Shinagawa Charcoal Co., Ltd. to Shinagawa Fuel Co., Ltd., and in March 1937, Shinagawa Fuel Co., Ltd. merged with Tokyo Smokeless Coal Co., Ltd. |
| 1936-05 |
In May 1936, Shinagawa Briquette Co., Ltd. changed the company name to Shinagawa Fuel Co., Ltd. |
| 1937-03 |
The company absorbed Tokyo Smokeless Coal Co., Ltd., inherited its Chiba coke manufacturing plant, and expanded into manufacturing and sales of coke, coal sales, and coke-burning equipment sales. |
| 1937-03 |
In March 1937, Shinagawa Fuels Co., Ltd. merged with Tokyo Anthracite Co., Ltd. Absorbed Tokyo Anthracite Co., Ltd., took over its briquette manufacturing factory in Chiba, and expanded manufacturing and sales of charcoal briquettes, charcoal sales operations, and sales of charcoal briquette burning appliances. |
| 1937-03 |
In March 1937, Shinagawa Fuels Co., Ltd. merged with Tokyo Anthracite Co., Ltd. |
| 1952-09 |
In September 1952, the company started selling petroleum products and related equipment (kerosene, gasoline, heavy oil, light oil, etc., petroleum equipment). |
| 1952-09 |
Launched sales of petroleum products and equipment (kerosene, gasoline, heavy oil, light oil, etc. and petroleum equipment). |
| 1952-09 |
Started sales of petroleum products and related equipment (items include kerosene, gasoline, heavy oil, light oil, etc., petroleum equipment). |
| 1953-09 |
In September 1953, the company merged with Nippon Coke Industry Co., Ltd., inheriting its Nagoya, Koto, Yokohama factories, Nagoya branch, and Osaka branch, expanding coke manufacturing and sales. |
| 1953-09 |
Absorbed Japan Briquette Industry Co., Ltd., took over its Nagoya Factory, Koto Factory, Yokohama Factory, Nagoya Branch, and Osaka Branch and expanded manufacturing and sales of charcoal briquettes. |
| 1953-09 |
Absorbed Japan Charcoal Industry Co., Ltd., inheriting its Nagoya factory, Koto factory, Yokohama factory, Nagoya branch, and Osaka branch, expanding the manufacturing and sales of charcoal. |
| 1954-05 |
In May 1954, the company acquired Sanko Fuel Co., Ltd. and changed its name to Chiba Coke Industry Co., Ltd. (Chiba Nen Co., Ltd.). |
| 1954-05 |
Acquired Sanko Fuel Co., Ltd. and changed the company name to Chiba Briquette Industry Co., Ltd. (Chibanen Co., Ltd.). |
| 1954-05 |
Acquired Sanko Fuel Co., Ltd., and changed its trade name to Chiba Charcoal Industry Co., Ltd. (Chibanen Co., Ltd.). |
| 1955-04 |
In April 1955, the company started selling LP gas and related equipment (propane gas, butane gas, auto gas, gas appliances). |
| 1955-04 |
Launched sales of LP gas and LP gas equipment (propane gas, butane gas, autogas, and gas equipment). |
| 1955-04 |
Started sales of LP gas and related equipment (items include propane gas, butane gas, auto gas, gas appliances). |
| 1963-01 |
In January 1963, the company was listed on the Second Section of the Tokyo Stock Exchange. |
| 1963-01 |
Listed on the Second Section of the Tokyo Stock Exchange. |
| 1963-01 |
Listed on the Second Section of the Tokyo Stock Exchange. |
| 1975-08 |
In August 1975, the company participated in capital with Hidaka Ataka Gas Co., Ltd. (now Hidaka Urban Gas Co., Ltd.). |
| 1975-08 |
Invested in Hidaka Ataka Co., Ltd. (now Hidaka Toshi Gas Co., Ltd.). |
| 1975-08 |
Participated in capital of Hidaka Ataka Gas Co., Ltd. (now Hidaka City Gas Co., Ltd.). |
| 1983-09 |
In September 1983, the company was designated as a First Section stock on the Tokyo Stock Exchange. |
| 1983-09 |
Listed on the First Section of the Tokyo Stock Exchange. |
| 1983-09 |
Designated as a First Section stock on the Tokyo Stock Exchange. |
| 1989-04 |
In April 1989, Shinananen Oil Co., Ltd. was established. |
| 1989-04 |
Established Sinanen Sekiyu Co., Ltd. |
| 1989-04 |
Established Shinanen Petroleum Co., Ltd. |
| 1991-03 |
In March 1991, Shinananen Zeomic Co., Ltd. was established. |
| 1991-03 |
Established Sinanen Zeomic Co., Ltd. |
| 1991-03 |
Established Shinanen Zeomic Co., Ltd. |
| 1998-04 |
In April 1998, the company changed its name from Shinagawa Fuel Co., Ltd. to Shinananen Co., Ltd. (now Shinananen Holdings Inc.). |
| 1998-04 |
Changed the company name from Shinagawa Fuels Co., Ltd. to Sinanen Co., Ltd. (now Sinanen Holdings Co., Ltd.). |
| 1998-04 |
Changed our trade name from Shinagawa Fuel Co., Ltd. to Shinanen Co., Ltd. (now Shinanen Holdings Co., Ltd.). |
| 2001-10 |
In October 2001, the company acquired the LP gas business of Nichimen Energy Co., Ltd. and started operations as Nichimen Energy Gas Sales Co., Ltd. |
| 2001-10 |
Established Nichimen Energy Gas Sales KK by taking over the LP gas business of Nichimen Energy KK. |
| 2001-10 |
Acquired the LP gas business of Nichimen Energy Co., Ltd. and started operations at Nichimen Energy Gas Sales Co., Ltd. |
| 2002-04 |
In April 2002, the company merged six LP gas sales companies in the Kanto area and started operating as Shinananen Kanto Gas Sales Co., Ltd. (now Mirai Life Co., Ltd.). |
| 2002-04 |
Commenced operation of Sinanen Kanto Gas Sales Co., Ltd. (now Melife Co., Ltd.) by integrating six LPG sales companies in the Kanto region. |
| 2002-04 |
Merged six LP gas sales companies within the Kanto area and started operations as Shinanen Kanto Gas Sales Co., Ltd. (now Mirai Life Co., Ltd.). |
| 2003-04 |
In April 2003, three liquefied petroleum gas sales companies in the Tohoku region merged and started operating as Shinanen Tohoku Gas Sales Co., Ltd. (Mirai Life Tohoku Co., Ltd.) |
| 2003-04 |
In April 2003, two liquefied petroleum gas sales companies in the Chubu region merged and started operating as Shinanen Chubu Gas Sales Co., Ltd. (Mirai Life Chubu Co., Ltd.) |
| 2003-04 |
Commenced operation of Sinanen Tohoku Gas Sales Co., Ltd. (now Melife Tohoku Co., Ltd.) by integrating three LPG sales companies in the Tohoku region. |
| 2003-04 |
Commenced operation of Chubu Sinanen Gas Sales Co., Ltd. (now Melife Chubu Co., Ltd.) by integrating two LPG sales companies in the Chubu region. |
| 2003-04 |
Merged three LP gas sales companies in the Tohoku region and started operations as Shinanen Tohoku Gas Sales Co., Ltd. (Mirai Life Tohoku Co., Ltd.). |
| 2003-04 |
Merged two LP gas sales companies in the Chubu region and started operations as Shinanen Chubu Gas Sales Co., Ltd. (Mirai Life Chubu Co., Ltd.). |
| 2003-04 |
Started operation of Shinanen Kanto Gas Sales Co., Ltd. (now Melife Co., Ltd.) by integrating six LPG sales companies in the Kanto region. |
| 2004-02 |
In February 2004, four companies, Chiba Nen Co., Ltd., Miyanen Co., Ltd., Shinagawa Heinen Co., Ltd. (now Shinanen Corporation), and Hidaka Urban Gas Co., Ltd., became wholly owned subsidiaries through share exchanges |
| 2004-02 |
Made Chibanen Co., Ltd., Miyanen Co., Ltd., Shinagawa Hainen Co., Ltd. (now Sinanen Co., Ltd.) and Hidaka Toshi Gas Co., Ltd. wholly owned subsidiaries via share exchange. |
| 2004-02 |
Made Chibanen Co., Ltd., Miyanen Co., Ltd., Shinagawa Heinen Co., Ltd. (now Shinanen Co., Ltd.), and Hidaka Urban Gas Co., Ltd. wholly owned subsidiaries through share exchanges. |
| 2005-04 |
In April 2005, in the Kanto area, Shinanen Kanto Gas Sales Co., Ltd. (now Mirai Life Co., Ltd.), which mainly sells LP gas, remained the surviving company, and Nichimen Energy Gas Sales Co., Ltd. and Chiba Nen Home Gas Co., Ltd. were absorbed |
| 2005-04 |
Merged Nichimen Energy Gas Sales KK and Chibanen Home Gas Co., Ltd. with Sinanen Kanto Gas Sales Co., Ltd. (now Melife Co., Ltd.), which sells LP gas primarily in the Kanto region, the latter being the surviving company. |
| 2005-04 |
In the Kanto area, continued as the surviving company of Shinanen Kanto Gas Sales Co., Ltd. (now Mirai Life Co., Ltd.), which mainly sells LP gas, and absorbed Nichimen Energy Gas Sales Co., Ltd. and Chibanen Home Gas Co., Ltd. |
| 2006-04 |
In April 2006, Chiba Nen Co., Ltd., Miyanen Co., Ltd., and Alps Industry Co., Ltd. were merged |
| 2006-04 |
Merged Chibanen Co., Ltd., Miyanen Co., Ltd. and Alps Industry Co., Ltd. |
| 2006-04 |
Merged Chibanen Co., Ltd., Miyanen Co., Ltd., and Alps Industry Co., Ltd. |
| 2008-12 |
In December 2008, all shares of Kanto Cosmo Gas Co., Ltd. (Kanto Enepot Co., Ltd.), Kinki Cosmo Gas Co., Ltd. (Mirai Life Kansai Co., Ltd.), and Hyogo Tsubame Propane Sales Co., Ltd. (Mirai Life Kansai Co., Ltd.) were acquired |
| 2008-12 |
Acquired all shares of Kanto Cosmo Gas Co., Ltd. (Kanto Eneport Co., Ltd.), Kinki Cosmo Gas Co., Ltd. (Melife Kansai Co., Ltd.), and Hyogo Tsubame Propane Sales Co., Ltd. (Melife Kansai Co., Ltd.). |
| 2008-12 |
Acquired all shares of Kanto Cosmo Gas Co., Ltd. (Kanto Enepot Co., Ltd.), Kinki Cosmo Gas Co., Ltd. (Mirai Life Kansai Co., Ltd.), and Hyogo Tsubame Propane Sales Co., Ltd. (Mirai Life Kansai Co., Ltd.). |
| 2009-03 |
In March 2009, all shares of Minos Co., Ltd. were acquired |
| 2009-03 |
Acquired all shares of Minos Co., Ltd. |
| 2009-03 |
Acquired all shares of Minos Co., Ltd. |
| 2013-01 |
In January 2013, all shares of Aoba Bicycle Sales Co., Ltd. (now Shinanen Cycle Co., Ltd.) were acquired |
| 2013-01 |
Acquired all shares of Aoba Bicycle Co., Ltd. (now Sinanen Bike Co., Ltd.). |
| 2013-01 |
Acquired all shares of Aoba Bicycle Sales Co., Ltd. (now Shinanen Cycle Co., Ltd.). |
| 2015 |
Shifted to a holding company structure and changed the company name from Shinanen Co., Ltd. to Shinanen Holdings Co., Ltd. |
| 2015-04 |
In April 2015, an organizational restructuring was implemented to unify the wholesale and retail energy divisions regionally, with Mirai Life Kansai Co., Ltd. (now Mirai Life West Japan Co., Ltd.), Mirai Life Co., Ltd., and Mirai Life Tohoku Co., Ltd. (now Mirai Life East Japan Co., Ltd.) as surviving companies |
| 2015-04 |
In April 2015, the bicycle import and sales business was succeeded by Aoba Bicycle Sales Co., Ltd., and the company name was changed to Shinanen Cycle Co., Ltd. |
| 2015-04 |
Implemented organizational restructuring to integrate the wholesale and retail energy divisions regionally, with Mirai Life Kansai Co., Ltd. (now Mirai Life West Japan Co., Ltd.), Mirai Life Co., Ltd., and Mirai Life Tohoku Co., Ltd. (now Mirai Life East Japan Co., Ltd.) as surviving companies. |
| 2015-04 |
Succeeded the bicycle import and sales business to Aoba Bicycle Sales Co., Ltd., and changed the trade name to Shinanen Cycle Co., Ltd. |
| 2015-04 |
Integrated regional retail and wholesale energy businesses, with Melife Kansai Co., Ltd. (now Melife-West Co., Ltd.), Melife Co., Ltd., and Melife Tohoku Co., Ltd. (now Melife-East Co., Ltd.) as surviving companies. |
| 2015-04 |
Transferred bicycle import and sales business to Aoba Bicycle Co., Ltd. and renamed it Shinanen Bike Co., Ltd. |
| 2015-10 |
In October 2015, the petroleum wholesale and solutions businesses were succeeded by Shinagawa Heinen Co., Ltd. through a simplified absorption-type company split. The company name was changed to Shinanen Co., Ltd. |
| 2015-10 |
In October 2015, following the transition to a pure holding company structure, the company's name was changed from Shinanen Co., Ltd. to Shinanen Holdings Co., Ltd. |
| 2015-10 |
Succeeded the petroleum wholesale and solutions businesses to Shinagawa Heinen Co., Ltd. through simplified absorption-type company split. Changed the company's trade name to Shinanen Co., Ltd. |
| 2015-10 |
Changed our trade name from Shinanen Co., Ltd. to Shinanen Holdings Co., Ltd. due to the transition to a pure holding company structure. |
| 2015-10 |
Transferred petroleum wholesale and solution businesses to Shinagawa Hainen Co., Ltd. via simplified absorption-type split. Changed the company name to Sinanen Co., Ltd. |
| 2017-03 |
In March 2017, all shares of Takara Builmen Co., Ltd. were acquired |
| 2017-03 |
Shifted to a holding company structure and changed the company name from Sinanen Co., Ltd. to Sinanen Holdings Co., Ltd. |
| 2017-03 |
Acquired all shares of Takara Birumen Co., Ltd. |
| 2017-03 |
Acquired all shares of Takara Building Maintenance Co., Ltd. |
| 2018-12 |
In December 2018, Shinanen Co., Ltd. acquired shares of BELLSION POWER CO., LTD. to develop large-scale wind power generation in South Korea |
| 2018-12 |
Acquired all shares of Takara Building Maintenance Co., Ltd. |
| 2018-12 |
Acquired shares of BELLSION POWER CO., LTD. to develop large-scale wind power generation in Korea. |
| 2018-12 |
Shinanen Co., Ltd. acquired shares of BELLSION POWER CO., LTD. to develop large-scale wind power generation business in South Korea. |
| 2019-01 |
In January 2019, the headquarters was relocated from Minato Ward, Tokyo, to Mita, Minato Ward, Tokyo |
| 2019-01 |
Sinanen Co., Ltd. acquired BELLSION POWER CO., LTD. shares to develop the large-scale wind power generation business in South Korea. |
| 2019-01 |
Relocated the headquarters from Minato Ward, Tokyo, to Mita, Minato Ward, Tokyo. |
| 2019-01 |
Relocated headquarters from Kaigan, Minato Ward to Mita, Minato Ward, Tokyo. |
| 2019-04 |
In April 2019, Shinanen Cycle Co., Ltd. split off the share cycle business to Share Cycle Split Preparation Company Co., Ltd. (now Shinanen Mobility PLUS Co., Ltd.) |
| 2019-04 |
Relocated HQ from Kaigan, Minato-ward to Mita, Minato-ward, Tokyo. |
| 2019-04 |
Shinansen Cycle Inc. split its share cycle business to Share Cycle Split Preparation Company Inc. (now Shinanen Mobility PLUS Inc.) |
| 2019-04 |
Shinenan Bike Co., Ltd. split off its bike-sharing business into Bike-Sharing Successor Preparatory Company (now Shinanen Mobility Plus Co., Ltd.). |
| 2020-02 |
Sinanen Bike Co., Ltd. split off its bike-sharing business into Bike-Sharing Successor Preparatory Company (now Sinanen Mobility Plus Co., Ltd.). |
| 2020-02 |
Shinanen Co., Ltd. established Shinagy Revo Co., Ltd. for development, sales, and maintenance of products for use with micro wind turbines. |
| 2022-04 |
In April 2022, the company transitioned to the Tokyo Stock Exchange Prime Market |
| 2022-04 |
Sinanen Co., Ltd. established Sinagy Revo Co., Ltd. for the development, sales, and maintenance of products that are for use with micro wind turbines. |
| 2022-04 |
Transition to the Tokyo Stock Exchange Prime Market |
| 2022-04 |
Moved to the Tokyo Stock Exchange, Prime. |
| 2023-10 |
In October 2023, to unify the comprehensive building maintenance business, the company absorbed InDes Co., Ltd. and Gas System Co., Ltd., with Takara Builmen Co., Ltd. as the surviving company, and changed its name to Shinanen Axia Co., Ltd. |
| 2023-10 |
Moved to the Tokyo Stock Exchange, Prime. |
| 2023-10 |
Aiming to integrate the comprehensive building maintenance business, the company changed its trade name to Shinanen Axia Inc. after absorbing and merging Takara Building Service Inc. and Gas System Inc., with Takara Building Service Inc. as the surviving company. |
| 2024-07 |
In July 2024, the headquarters will be relocated from Mita, Minato Ward, Tokyo, to Higashishinagawa, Shinagawa Ward, Tokyo |
| 2024-07 |
Aiming to integrate the comprehensive building maintenance business, the Group conducted an absorption-type merger of Indess Co., Ltd. and Gus System Co., Ltd., with Takara Building Maintenance Co., Ltd. as a surviving company, changing the name of the post-merger company to Sinanen Axia Co., Ltd. |
| 2024-07 |
Relocated headquarters from Mita, Minato Ward to Higashi-Shinagawa, Shinagawa Ward, Tokyo |
| 2024-07 |
Relocated headquarters from Mita, Minato Ward to Higashi-Shinagawa, Shinagawa Ward, Tokyo. |
| 2026-04 |
In April 2026, the main business companies will be integrated into Shinanen Co., Ltd. |
| 2026-04 |
Integrated main business companies into Shinanen Inc. |
| 2026-04 |
Integrated main operating companies into Shinanen Co., Ltd. |
