
- 1914
- Yahei Mitani, the founder of Mintani Corporations starting buisiness trading with cement and coal.
- 1946
- Founded as Mitani Corporations
- 1948
- Reconstructing of Cement buisiness
- 1952
- Building the base of the Fuel enterprises
- 1963
- Listed on the 2nd section of Osaka stock exchange
- 1969
- Starting of computer buisiness
- 1982
- Total sales over 100,000 million yen
- 1990
- Headquarters placed in Tokyo along with Fukui
- 1997
- Total sales over 200,000 million yen
- 2000
- Listed on the the 2nd section of Tokyo stock exchange
- 2001
- Starting of semiconducting buisiness
- 2005
- Making of gondola machinery, sales and renting
- 2006
- Incorporating "Thai Mitani" in Bangkok for importing, exporting and sales for electronic goods
- 2010
- Entry of Wind Power Generation project
2,000kw/h × 7plants =14,000kw/h
- 2013
- Entry of Wind Power Generation project
2,000kw/h × 15plants =30,000kw/h
- 2013
- Incorporating "Dama Trading Pte.Ltd" in Singapore, and establishing "Mitani Singapore Holdings Pte. Ltd" and "Digital Image Solutions Singapore Pte. Ltd."