现在全世界专利申请每年大约130万件,而且还在逐年增加。这些专利大多集中在科技和经济发达国家,其中日本占40万件,约为总数的30％.其次是美国、德国等较发达国家。这些专利是科学技术资源丰富的知识宝库,它几乎囊括了人类的一切先进的应用技术,反映世界上各类学科最迅速、最系统的信息资源。专利不仅对企业、科研单位技术进步起着参考借鉴推 At present, the number of patent applications in the world is about 1.3 million each year, and it is still increasing year by year. Most of these patents are concentrated in science and technology and economically developed countries, of which Japan accounted for 400,000, about 30% of the total, followed by the United States, Germany and other more developed countries. These patents are rich resources of science and technology treasure trove of knowledge, it encompasses almost all of human advanced application technology, reflecting the world's most rapid and most diverse information resources of all disciplines. Patents not only for enterprises, research institutes play a reference for technological progress