After joining an office furniture manufacturer and engaging in product planning and marketing, Katsuhiro Ito began using his insight to provide advice on product development, work styles, and health management from an ergonomic perspective focused on concepts such as "reducing fatigue," "ease of use," "safety," and "productivity." He supervises the design of ergonomically optimal workstyles and products that do not burden the body. He actively publicizes information on themes such as ergonomics-based telework environments and has presented numerous seminars for companies. He is a certified ergonomist with the Ergonomics Society of Japan.