A Visualization of Technology Innovation Strategy in ICT Companies Using Patent Information

Abstract

Japanese ICT companies still have been struggling with poor performance in spite of various management reforms since collapse of the bubble economy in the early 1990s. Therefore, we recognize the necessity to understand issues of their technology innovation strategies. Specifically, this paper discloses and analyzes patent strategies of Japanese and global large ICT companies, Sony, Sharp, Panasonic, Samsung and Apple in smart phone market, whose share has increased in ICT industry.