| 1932-02 |
February, Showa 32: Listed on Niigata Securities Exchange (absorbed by Tokyo Stock Exchange) |
| 1932-02 |
Listed on Niigata Securities Exchange (absorbed by Tokyo Stock Exchange). |
| 1932-05 |
Founded Mochikoshi Mine Co., Ltd. (Capital 1.50 million yen). |
| 1936-04 |
April, Showa 11: Merged with Yakumo Mining Co., Ltd. and two other companies, renamed to Chugai Mining Co., Ltd. |
| 1936-04 |
Merged three companies such as Yakumo Mining Co., Ltd., and changed the company name to Chugai Mining Co., Ltd. |
| 1942 |
May, Showa 7: Established Chikatsu Mines Co., Ltd. (capital of 1.5 million yen) |
| 1942-04 |
April, Showa 11: Merged with Yakumo Mining Co., Ltd. and two other companies, renamed to Chugai Mining Co., Ltd. |
| 1947-05 |
May, Showa 24: Listed on Tokyo Stock Exchange. |
| 1949-05 |
May, Showa 24: Listed on Tokyo Stock Exchange |
| 1949-05 |
Listed on the Tokyo Stock Exchange. |
| 1951-10 |
October, Showa 26: Listed on Osaka Securities Exchange |
| 1951-10 |
Listed on the Osaka Stock Exchange. |
| 1956-02 |
February, Showa 32: Listed on Niigata Securities Exchange (absorbed by Tokyo Stock Exchange). |
| 1957-02 |
February, Showa 32: Listed on Niigata Securities Exchange (absorbed by Tokyo Stock Exchange) |
| 1957-02 |
Listed on the Niigata Stock Exchange (acquired and consolidated into the Tokyo Stock Exchange). |
| 1973-05 |
May, Showa 48: Installed gold and silver recovery equipment at Chikatsu Mining Office, started gold refining business |
| 1973-05 |
Established gold and silver recycling facilities at Mochikoshi Mine, and started the metal refining business (recycling of precious metals). |
| 1973-05 |
Established gold and silver recycling facilities at Mochikoshi Mine and started metal refining business (recycling of precious metals). |
| 1979-09 |
September, Showa 54: Established Osaka Sales Office (now Osaka Branch) |
| 1979-09 |
Opened Osaka Sales Office. |
| 1986-05 |
May, Showa 61: Closure of Kamikuni Mining Office |
| 1986-05 |
Closed Jokoku Mine. |
| 1987-05 |
May, Showa 62: Closure of Kiyoe Mine |
| 1987-05 |
Closed Seigoshi Mine. |
| 1987-06 |
June, Showa 62: Cessation of operations at Tomo Mining Co., Ltd. |
| 1987-06 |
Ceased operations of Tsumo Mining Co., Ltd. |
| 1987-11 |
November, Showa 62: Entered real estate and gold plating processing sectors |
| 1987-11 |
Started business in the real estate and gold plating fields. |
| 1989-01 |
January, Heisei 3: Established Kofu Analysis Center (now Kofu Branch). |
| 1989-03 |
March, Heisei 1: Completion of firing equipment and alkali recovery equipment at Chikatsu Factory |
| 1989-03 |
Completed incineration facilities and alkaline recycling facilities at Mochikoshi Plant. |
| 1991-01 |
January, 1991: Kofu Analysis Center (now Kofu Branch) opened |
| 1991-01 |
Established Kofu Analysis Center in Yamanashi Prefecture. |
| 1995-01 |
January, 1995: Established Chugai Chemical Co., Ltd. |
| 1995-01 |
Established Chugai Chemicals Co., Ltd. |
| 1996-03 |
March, 1996: Acquired shares of Intex Corporation (consolidated subsidiary) |
| 1996-03 |
Acquired shares in Intex Co., Ltd. (currently a consolidated subsidiary). |
| 1997-10 |
October, 1997: Intex Corporation entered the machinery business |
| 1997-10 |
Intex Co., Ltd entered into the machinery business. |
| 1999-07 |
July, 1999: Nagoya Sales Office (now Nagoya Branch) opened |
| 1999-07 |
July, 1999: IR Center opened |
| 1999-07 |
Opened Nagoya Sales Office in Aichi Prefecture. Established IR Center. |
| 1999-07 |
Opened Nagoya Sales Office in Aichi Prefecture. |
| 1999-07 |
Established IR Center. |
| 2000-11 |
Established Chugai Capital Co., Ltd. (now Career Mate Co., Ltd.) |
| 2000-11 |
November, Heisei 12: Established Chugai Capital Co., Ltd. (now Career Mate Co., Ltd.). |
| 2001-05 |
Completed new platinum and palladium facilities at Mochikoshi Plant. |
| 2001-05 |
May, Heisei 13: Completed new factory for platinum and palladium. |
| 2001-11 |
November, 2000: Established Chugai Capital Co., Ltd. (now Career Mate Co., Ltd.) |
| 2002-11 |
Opened Okachimachi Branch. |
| 2002-11 |
November, Heisei 14: Opened Okachimachi Branch. |
| 2003-05 |
May, 2001: New platinum and palladium plant completed |
| 2004-11 |
November, 2002: Otamachi Branch opened |
| 2005-07 |
July, 2005: Internal Audit Office established |
| 2005-07 |
Placement of Internal auditor’s office. |
| 2005-08 |
August, 2005: New Tokyo Factory established and started operation |
| 2005-08 |
Tokyo factory newly constructed and start. |
| 2006-08 |
August, 2006: Otamachi South Exit Branch opened |
| 2006-08 |
Opened Okachimachi Minamiguchi Branch. |
| 2007-03 |
March, 2007: Shinjuku West Exit Branch opened |
| 2007-03 |
Opened Shinjuku Nishiguchi Branch. |
| 2007-06 |
June, 2007: Fukuoka Branch opened |
| 2007-06 |
Opened Fukuoka Branch. |
| 2007-11 |
November, 2007: Ginza Branch opened |
| 2007-11 |
Opened Ginza Branch. |
| 2008-02 |
February, 2008: Gotanda Branch opened |
| 2008-02 |
Opened Gotanda Branch. |
| 2008-07 |
July, 2008: Gold and Silver Business Division renamed Precious Metals Business Division |
| 2008-07 |
Changing division name from “Metal Refining Division” to “Precious Metal Division”. |
| 2009-02 |
February, 2009: Sendai Branch opened |
| 2009-02 |
Opened Sendai Branch. |
| 2009-04 |
April, 2009: Naka-Otamachi Branch opened |
| 2009-04 |
Opened Nakaokachimachi Branch. |
| 2011-02 |
February, 2011: Shin-Otamachi Branch opened |
| 2011-02 |
Opened Shinokachimachi Branch. |
| 2011-10 |
October 2011: Opened Yokohama Motomachi Branch |
| 2011-10 |
Opened Yokohama Branch. |
| 2012-04 |
April 2012: Established Renewable Energy Business Division |
| 2012-04 |
Established Energy Recycling Business Division. |
| 2014-09 |
September 2014: Discontinued Renewable Energy Business |
| 2014-09 |
Discontinued Energy Recycling Business. |
| 2015-03 |
March 2015: Opened Omiya Branch |
| 2015-03 |
Opened Omiya Branch. |
| 2015-05 |
May 2015: Established Content Department |
| 2015-05 |
Established Contents Business. |
| 2017-03 |
March 2017: Opened Shinagawa Branch |
| 2017-03 |
Opened Shinagawa Branch. |
| 2017-11 |
November 2017: Opened Real Estate Department Ueno Branch |
| 2017-11 |
Opened Real Estate Business Okachimachi Branch. |
