Keywords: cumulative amounts, patent applications, product life cycles, digital cameras, financial indicators, photography, photographic equipment, patents, intellectual property management, declining sales, product maturity, Japan, patent growth, useless applications, company productivity, company profitability, competition, bargaining power, cross licensing agreements, correlation analysis, financial indicators, Fujifilm, Canon, Sony, Seiko Epson, Panasonic, Olympus, liability, scientific enquiry
Management of patent applications for digital camera considering the product life cycle
Digital cameras have a long product life cycle. Generally, sales decline once the product reaches maturity. However in Japan, the number of patent applications continues to grow even after the maturity stage. This indicates that there must be a number of useless patent applications. In Japan, companies tend to file patent applications without regard to the possible effects of the patent application on the companies productivity and profitability. In general, patent applications are filed to thwart competition and improve its bargaining power in cross licensing agreements. This study analyses the cumulative number of patent applications using correlation analysis and examination of the financial indicators of each company. More importantly, this paper makes a comparative study of the company's management of patent applications with the product life cycle of digital cameras.