More Kohoku Kogyo Co. Ltd. news Kohoku Kogyo Co. Ltd.TSE: 6524 Notice Regarding Application for Change of Market Classification to the Tokyo Stock Exchange Prime Market Jul 21, 2026 at 7:15 AM UTC · Issued by Kohoku Kogyo Co. Ltd. via TDnet As issuedPlain English Kohoku Kogyo Co. Ltd. (6524) Press ReleaseView Attachment Earlier from Kohoku KogyoTABLE-Kohoku Kogyo -2025 group resultsFeb 12TABLE-Kohoku Kogyo - 9-MTH group resultsNov 6, 2025All Kohoku Kogyo news releases↗