About US

About Us

Who We Are

About Shodex™ brand LC columns: Shodex™ brand LC columns have been manufactured by Showa Denko K.K. (Resonac Corporation as of 2023) in Japan since 1973. With over 1000 different columns covering all separation modes, we are confident that we can provide the perfect column for your analytical needs. Shodex™ is best known for innovative polymer-based columns offering size-exclusion chromatography, HILIC, and sugar analysis columns.

About Resonac America, Inc.: We are a 100% subsidiary of Resonac Corporation which is headquartered in Tokyo, Japan. Our business is divided into four primary divisions: electronics, mobility,  chemicals and APM products and device solutions. We provide sales and technical services for a wide variety of products produced by the Resonac Corporation.

About Resonac Corporation: Formed from the merger of Showa Denko K.K. and Hitachi Chemical Corporation, Resonac manufactures chemical products and industrial materials. Resonac’s products serve a wide array of fields ranging from heavy industry to the electronic and computer industries. The company is divided into several business sectors including electronics, mobility, petrochemicals, aluminum, electronics, basic chemicals, and device solutions. Resonac has more than 200 subsidiaries and affiliates around the world.

A Few Words About

Our Team

We are a small, dedicated team of science professionals. Our goal is to meet our customers technical needs first. We believe Showa Denko offers the highest quality LC products.

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Dr. Ron Benson


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Dr. Tanya Napolitano

Technical Manager

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Marlon Rettis

Manager, Americas

Alex Schrum

Manager, North America

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Kayo Kendall

Customer Service Specialist

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Hope Au

Customer Service Assistant


Nami Kosaka

Customer Service Assistant

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Manufactured in Japan since 1973, cherished globally.

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