USHIO.CO.JP – USHIO INC. (Head Office: Tokyo, Chief Executive Officer: Koji Naito) will accelerate the EUV light source business, which covers the development, manufacturing, operation, and after-sales service and which USHIO has researched and developed from previously based on its policy to contribute to the development of the next-generation semiconductor mass-production process using USHIO’s light technology, and to do so, USHIO will create and develop the brand for the EUV light source business and accelerate the business globally under the brand name of TinPhoenix.