Study on the Development of Inkjet Imaging Digital Printing Technology Based on Patent Analysis

The rapid development of inkjet imaging digital printing technology is due to its wide adaptability, it’s proportion in the field of image - text printing make it increasing year by year and gradually replacing some toner graphic technology in commercial printing, in order to study the origin, development and future development of inkjet imaging technology, starting from the patent technology, guided by the representative technology, representative products and core patents of representative products, through the research on the patent search platform of the National Intellectual Property Office from 1858 to 2018 for all the patents related to the inkjet imaging technology in the United States and the product development history of the main manufacturers about the inkjet imaging digital printing equipment, based on the analysis of the representative products and patents in the process of the invention and development of the inkjet imaging digital printing technology, conclude the development history of inkjet imaging digital printing technology, propose the life cycle prediction based on TRIZ technology evolution theory.