Tosoh Operations in North America

Tosoh Bioscience, Inc.

Tosoh Bioscience was established in 1989 for the sale and marketing of the company's rapidly growing clinical diagnostic systems and reagents business. Tosoh Bioscience is working to become a major player within North America.


Address: 6000 Shoreline Court, Suite 101, South San Francisco, CA 94080, U.S.A.
Telephone: +1 650 615 4970
U.S. Toll Free: +1 800 248 6764
Fax: +1 650 615 0415
E-mail: [email protected]
URL: www.diagnostics.us.tosohbioscience.com
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Tosoh Bioscience LLC

Established in 1987 in Philadelphia as TosoHaas, Tosoh Bioscience markets process-scale and laboratory-scale liquid chromatography products, such as TSKgel® and TOYOPEARL®. Alongside these, the company sells the SkillPakTM brand of prepacked columns pre-packed with TOYOPEARL®, TSKgel® or Ca⁺⁺Pure-HA™ process resins, and the LenS3TM multi-angle light scattering detector. And with the acquisition of Semba Biosciences, the company has become a manufacturer of chromatography equipment, such as the world's first tabletop continuous chromatography system, Octave®, and the development of ProGMP™, a continuous chromatography system that complies with Good Manufacturing Practice standards for pharmaceutical manufacturing and quality control.

Address: 3604 Horizon Drive, Suite 100, King of Prussia, PA 19406, U.S.A.
Telephone: +1 800 366 4875
Fax: +1 610 272 3028
E-mail: [email protected]
URL: www.separations.us.tosohbioscience.com
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Tosoh Quartz, Inc.

Tosoh Quartz, Inc. provides sales and services of fabricated quartz products to the global semiconductor, electronics and telecommunication industries. Headquarters are located in Portland, Oregon, which also serve as a manufacturing site. Formerly called Weiss Scientific Glass Blowing Co., Inc., the company was acquired by Tosoh in 1989.


Address: 14380 NW Science Park Drive Portland, OR 97229, U.S.A.
Telephone: +1 503 605 5600
Fax: +1 503 605 5688
E-mail: [email protected]
URL: www.tosohquartz.com
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Tosoh SMD, Inc.

Acquired from Varian Associates in July 1988, Tosoh SMD is a broad based, international supplier of sputtering targets and high purity thin film deposition materials for use within flat panel, and solar applications.


Address: 3600 Gantz Road, Grove City, OH 43123-1895, U.S.A.
Telephone: +1 614 875 7912
Fax: +1 614 875 0031
E-mail: [email protected]
URL: www.tosohsmd.com
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Tosoh Specialty Chemicals USA, Inc.

Established in 2008, Tosoh Specialty Chemicals USA markets and sells a variety of chemical products from Tosoh Corporation. Those products include ethyleneamines, polyurethane catalysts, methylene diphenyl diisocyanate, and specialty isocyanates. 


Address:  1720 Windward Concourse, Suite 125, Alpharetta, Georgia 30005
Telephone: +1 770 442 9501 
Fax: +1 770 442 2785 
E-mail: [email protected]
URL: www.tosohscu.com
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Tosoh USA, Inc.

Initially starting out as Tosoh's first US representative office in 1964, Tosoh USA has grown to become the company's main sales, marketing, and business development center in North America.


Address: 3600 Gantz Road, Grove City, OH 43123-1895
Telephone: +1 614 277 4348
Fax: +1 614 875 8066
E-mail: [email protected]
URL: www.tosohusa.com
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Tosoh America, Inc.

Established in 1989, twenty-five years after Tosoh set up its first US office, Tosoh America, Inc. is today the parent company to the rapidly expanding number of Tosoh group companies within North America. In addition to integrating the corporate activities of its subsidiaries, this regional headquarters is working to expand Tosoh's business lines and operational capabilities within North America.

Address: 3600 Gantz Road, Grove City, OH 43123-1895
Telephone: +1 614 539 8622
Fax: +1 614 539 8722
E-mail: [email protected]
URL: www.tosohamerica.com
Employment: Careers in North America


Organo USA, Inc.

Established in 2021, Organo USA serves high-tech customers in the Americas with ultra-high purity water systems and solutions from fellow Tosoh Group company Organo Corporation in Japan.

Address: 3600 Gantz Road, Grove City, OH 43123-1895
For inquries, please contact Tosoh USA, Inc.
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