Tosoh Quartz Corporation

About us

Company Profile

Name Tosoh Quartz Corporation
Established 1936/10/15
Headquarters 2-11-8, Shiba Daimon Minato-ku, Tokyo 105-0012, Japan
Capital 490 million JPY (100% owned by Tosoh Corporation)
Revenue
(Consolidated)
Business Field Silica Glass Product Manufacturing and Sales
Employees Consolidated : 930 employees (as of April 1st, 2023)

Locations

Business Offices in Japan

Tokyo Headquarters

2-11-8, Shiba Daimon Minato-ku, Tokyo (Sumitomo Fudosan Shibadaimon 2-Chome Bldg. 5F), 105-0012, Japan
TEL: +81-3-6453-0401
Fax: +81-3-6453-0180

Access:

Subway Toei sakusa Line, Toei Oedo Line Daimon Sta. (4-minute walk)

Subway Toei Mita Line Shibakoen Sta. (5-minute walk)

JR Line, Tokyo Monorail Hamamatsucho Sta. (5-minute walk)

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Yamagata Factory

3-1435, Tachiyagawa, Yamagata, Yamagata 990-2251, Japan
Phone: +81-23-686-2751
FAX: +81-23-685-1003
Production Items: Semiconductor Products

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Sakata Factory

1-4-85, Ohama, Sakata, Yamagata 998-0064, Japan
Phone: +81-234-33-1011
FAX: +81-234-33-1013
Production Items: Precision Products

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Yonezawa Factory

1-1-20, Hachimanpara, Yonezawa, Yamagata 992-1128, Japan
Phone: +81-238-28-5001
FAX: +81-238-28-1037
Production Items: Semiconductor Products, LCD/OEL Photomask Substrate

Google Map

Tohoku Sales Office

SAKAE Izumichuo Bldg., 4-1-5, Izumichuo, Izumi-ku, Sendai City, Miyagi 981-3133, Japan
Phone: +81-22-343-0230
FAX: +81-22-343-0231

Access:

Sendai Subway Nanboku Line, Izumi Chuo Station (7-minute walk)

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Hokuriku Sales Office

Daini Toyama Denki Bldg., 5-3, Shin-Sakuracho, Toyama City, Toyama 930-0005, Japan
Phone: +81-76-471-7259
FAX: +81-76-471-7260

Access:

Hokuriku Shinkansen · JR Takayama Line · Ainokaze Toyama Railway, Toyama Station (6-minute walk)

Toyama Chiho Tetsudo Line, Dentetsu-Toyama Station (6-minute walk)

Toyama Shinai Tramway, Denkibiru-Mae (1-minute walk)

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Overseas Business Offices

Tosoh Quartz Co., Ltd. Headquarters / Tainan Factory

No.92, Da-Soong, 7th Road, Tainan-Science-Based Industrial Park, Hsin-She Shing, Tainan, Taiwan, R.O.C.
Phone: +886-6-505-0860 / FAX: +886-6-505-0704

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Tosoh Quartz Co., Ltd. Hsinchu sales office

7F.-1, No.118, Ciyun Rd. East Dist., Hsinchu City 30072 Taiwan (R.O.C.)
Phone: +886-3-577-1234 / FAX: +886-3-578-2456

Google Map

TOSOH QUARTZ Korea Co., Ltd. Head Office, Factory

86, Gwahaksaneop-4ro, Ochang-eup,
Cheongwon-gu, Cheongju-si,
Chungcheongbuk-do, Republic of Korea
Phone: +82-43-710-1000 / FAX: +82-43-710-1050

Google Map

TOSOH QUARTZ Korea Co., Ltd. Seoul Sales Office

1101, Nonhyeon-ro 507, Gangnam-gu, Seoul,
(P: 06132)
Republic of Korea
Phone: +82-2-539-3881 / FAX: +82-2-539-3882

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