※1Became a wholly-owned subsidiary of Ferrotec Corporation
※2Ferrotec Material Technologies Corporation is a wholly-owned subsidiary of Ferrotec Holdings Corporation
Sanzo Metal Inc.
Transfer of business: 1994
Photon Ceramics Co., Ltd.
Established: July 1984
Sumikin Photon Ceramics Co., Ltd.
Established: July 1989
Sumikin Ceramics Co., Ltd.
Change of company name: July 1998
FC Development Department,
Fine Ceramics Department,
New Materials Division,
Sumitomo Metal Industries, Ltd.
Opened: July 1989