基于DII的十字花科作物育种专利技术全球创新态势分析

Patent technology of cruciferous crop breeding based on DII Global innovation situation analysis

基于德温特创新索引国际专利数据库(DII),从专利视角分析国际十字花科作物育种技术的创新领域分布、主要创新区域和主要创新主体及其技术与市场布局策略。结果显示,中国、美国、加拿大等为国际主要技术创新国家,美国先锋良种国际有限公司的专利件数位居世界第一,中国7家机构入围前10;通过组织培养技术的植物再生、基因突变育种、分子标记辅助育种等是领域热点技术;十字花科作物中油菜类申请专利数量最多;中国专利总数量排名第一,且专利申请相对集中,技术集中度相对较高。

Based on the Derwent Innovation Index International Patent Database(DII),this paper analyzes the distribution of innovation fields,main innovation areas,main innovation subjects,and technology and market layout strategies of international cruciferous crop breeding technologies from the perspective of patents.The results show that,China,the United States,Canada and other countries are major international technological innovation countries.The number of patents of Pioneer Seed International Co.,Ltd.in the United States ranks first,and 7 Chinese institutions are shortlisted in the top 10;Plant regeneration by tissue culture techniques,gene mutation breeding and molecular marker-assisted breeding are hot technologies in the breeding field;Among the cruciferous crops,rapeseed has the largest number of patent applications;the total number of patents in China ranks first,and the patent applications are relatively concentrated,and the technology concentration is relatively high.