Almost six decades ago, Koganei and Humphrey became the first independent Japanese and North American manufacturers of pneumatics to unite. This enduring partnership continues to this day. Koganei is a leading manufacturer of pneumatic and electric automation products in Asia and ranks among the top five in the world. Over the years, we have worked alongside Humphrey to develop products and markets, share the latest design and manufacturing technologies, and produce some of the finest pneumatic valves and actuators globally. Through our collaboration, we draw upon a vast wealth of experience across continents and industries, allowing us to create even more innovative and inventive solutions, all aimed at helping you succeed.