Company History
History Of Japan Energy Development Co., Ltd.
| Date | Main Business Developments | |
|---|---|---|
| 1929 | April | Nippon Mining Co., Ltd. established |
| 1957 | March | Discovered water-dissolved gas field at Nakajo Oil Field Exploration Office (renamed Nakajo Field Office) in Niigata Prefecture |
| 1959 | November | Natural gas supply commenced at Nakajo Field Office |
| 1961-65 | Non-associated gas field discovered at Nakajo Field Office | |
| 1982 | April | Nikko Oil Development Co., Ltd. established |
| 1994 | August | Trade name changed from Nikko Oil Development Co., to Japan Energy Development Co., Ltd. |
| 1996 | January | Iodine production commenced at Nakajo Field Office |