Prosecution, expert opinions, assisting in infringement litigation, and trials for invalidation. Mr. Yamasaki specializes in aluminum casting, iron casting, forging, mechanical processing, assembly, quality control of transmissions and suspensions, medical devices, and industrial equipment such as dry furnaces, industrial waste disposal equipment, and segregating units. He also has experience in machine tools, ceramic electronic components, powder and resin molding equipment, telecommunications, and information processing.