 Sony, a leading electronics company, sought to expand its product line with the acquisition of the studio, and Kohut lead the American development team at the studio, Dana Wood, Jeffrey E. Taylor, Stanley Wiegand, Mark Koffman and Melissa J. L. Smith, in the development of the Sony Dynamic Digital Sound system, which made its debut in the Arnold Schwarzenegger hit, "Last Action Hero" directed by John McTiernan for Columbia Pictures, a division of Sony.The technology was rolled out in the AMC theater chain and used a laser to direct focused beams of light.A patent for the technology was issued in 1998.