After graduated from Chiba University, Faculty of Engineering, he joined Sony Corporation, assigned Design Center and U.S. Design Center, and designed Walkman, Radio, and TV, etc. 
In 1991, established sumikawadesign, the independent design office. His design of table tennis's court table used at 2016 Rio and 2020 Tokyo Olympic game was admired around the world and his designed playground equipment has won iF DESIGN AWARD 2017. His design has won Red Dot Design Award, GOOD DESIGN AWARD, and many other awards as well.
He has been practicing design beyond stereotypes by making full use of the experience of wondering 57 countries around the world as a backpacker. As Engineering-based designer, highly skills of geometry by taking full advantage of 3D CAD and Printer, excellent at curved surface design with ergonomic comfort.  From state-of-the-art equipment to traditional craft, he designs actively and continuously in a wide range of fields.