The collaboration combines Irresistible Materials’ advanced photoresist materials platform with TOK’s long-standing market leadership and world-class manufacturing to drive innovations for EUV lithography

BIRMINGHAM, United Kingdom and KAWASAKI CITY, Japan, Feb. 23, 2026 /PRNewswire/ — Irresistible Materials, Ltd. (IM), a leader in the development of novel photoresist materials for extreme ultraviolet (EUV) lithography, and Tokyo Ohka Kogyo Co., Ltd. (TOK) (TSE: 4186.T), a market leader in the photoresist industry, today announced a strategic financial investment and joint development partnership focused on accelerating innovations in photoresists for EUV lithography. The investment from TOK is a recognition of IM’s innovative…