Japan Greenery Research and Development Center Chairman's Prize goes to Gunma R&D Center at the 23rd National Conference for the Promotion of Green Factories Oct. 2004 The Gunma R&D Center, located in Ora, Gunma Prefecture, was awarded the Japan Greenery Research and Development Center Chairman's Prize at the 23rd National Conference for the Promotion of Green Factories, which was organized by the Japan Greenery Research and Development Center.