A Study on Transition of Registered Patent of Digital Camera Manufacturer : Using Correspondence Analysis

摘要

This analysis quantitatively analyzes the status of registered patents for digital cameras that account for 90% of global shipments by Japanese companies. Japanese companies are a mix of existing camera manufacturers and newly entered electronics manufacturers. The purpose of this research is to analyze and clarify digital camera-related patent data from the viewpoint of positioning of patents held, which is the result of R & D. Was to make sure they were going. The R & D field of existing camera manufacturers and newly entered electronic equipment manufacturers has been closer since 2010 than in the 1990s.