Division
History
June
1983
Japan High Purity Silica Corporation formed as a joint venture between Britain's TSL Group plc. and the then Mitsubishi Metal Corporation
October
1984
Commenced production at Akita Plant
October
1991
Name Changed to Mitsubishi Materials Quartz Corporation, and made a wholly-owned subsidiary of Mitsubishi Materials Corporation
March
1996
Completion of the Second Plant
May
1996
ISO9002 certification obtained (later updated to ISO9001:2000)
September
1997
Development Center established
July
1999
Completion of the Third Plant
November
1999
ISO14001 certification obtained
Janualy
2002
Expanded production facilities for 300mm monocrystal pulling crucibles
February
2002
Commenced operation as Japan Super Quartz Corporation, a wholly-owned subsidiary of SUMCO Corporation
June
2005
Relocated head office from Tokyo to Akita
February
2007
Completed construction of Building "J"
August
2007
OSHMS certification obtained
November
2012
Merged with SUMCO Corporation
Restarted as JSQ Division of SUMCO Corporation
June
2021
ISO45001 certification obtained
company outline
Corporate Name
JSQ Division of SUMCO Corporation
Location
5-14-3 Barajima, Akita-shi, Akita 010-0065
Contact address
Japan
Tel:+81-18-862-1692
Fax:+81-18-824-2772
Business Contents
Manufactures and sales of High Purity Quartz Crucible for Single Crystal Silicon (for Semiconductor)
