Nikon Corporation (Nikon) is pleased to announce that its Kumagaya Plant in Kumagaya-shi, Saitama prefecture, the development and production site for semiconductor lithography systems and more has obtained Gold Status in the Validated Assessment Program (VAP) audit conducted by Responsible Business Alliance (RBA). RBA is an international industry organization aimed at proper management of labor, health and safety, environment, and ethics in the supply chain of mainly in the electronics in.