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Company Information

Corporate Information

Company Name
JS Foundry KK.
Head Office
#706 Crossoffice-Uchisaiwaicho 1-18-6 Nishishinbashi,Minato-ku,Tokyo 105-0003-Japan
TEL.+81-3-6205-8380
Niigata Factory
Koh 3000,Chiya,Ojiya-shi,Niigata 947-8502,Japan
TEL.+81-258-83-3434
CEO
Akihiko Sakai
Date of Establishment
December 1, 2022
Business
・Foundry Business
・Analog and Power semiconductor Pre-processing
・Backside Processing
・Epi Growth
Chip-size Packaging

Our Philosophy


Striving to co-create specialty semiconductors
...Teaming up with customers and employees 


Factory History

1984
Niigata SANYO Electronics Co., Ltd. was established as an LSI production base for Tokyo SANYO Electric Co. (in Ojiya city, Niigata)
2005
SANYO in Gunma, Factories in Gifu and Niigata were merged to form SANYO Semiconductor Manufacturing Co.
2011
Integrated with ON Semiconductor Co.
2013
Named as ON Semiconductor Niigata Co. as one of the factories of ON Semiconductor Group
2022
Established as the Niigata Plant of JS Foundry Co.
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