Corporate History
1966
Apr.
Opened Ueno Music Academy on the site of the Head Office.
1977
Apr.

Established Mirage Trading Co., Ltd.
Business Outline: import and sales of gems.
Manufacturing, export and domestic sales of gem grading instruments.

1987
Apr.
Opened Sales Office in Taito-ku, Tokyo.
1988
Mar.
Started hotel business.
1989
Mar.
Acquired our first hotel.
1991
Dec.
Built 5-story company building at the current address.
Started two divisions, Hotel Business Division and Industrial Instruments Manufacturing Division.
1994
Oct.
Acquired the first Patent for Electronic Densimeter in Japan.
1996
Feb.
Number of Hotels risen to 21.
1998
Aug.
Capital increased to ¥80,000,000.
2000
Dec.
Diamond Selector II, distinguishable diamond from other stones sold over 150,000 units.
2001
Dec.
Industrial Instruments Manufacturing Division was divided and Alfa Mirage Co., Ltd. was established.
2002
Apr.
The sales of electronic densimeter exceeded 10,000 units.
Business Outlines Corporate Guide
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