Analysis on Patent Activity and Technical Diversity in Green Car Fields

被引：0
|
作者：
Kwon, Young-Il [1 ]
Jeong, Dae-Hyun [1 ]
机构：
[1] Korea Inst Sci & Technol Informat, 66 Hoegi Ro, Seoul 130741, South Korea
来源：
COLLNET JOURNAL OF SCIENTOMETRICS AND INFORMATION MANAGEMENT | 2013年 / 7卷 / 01期
基金：
新加坡国家研究基金会;
关键词：
Green Car Fields; Patent Activity; Triadic Patents; Honda Giken Kogyo;
D O I：
暂无
中图分类号：
G25 [图书馆学、图书馆事业]; G35 [情报学、情报工作];
学科分类号：
1205 ; 120501 ;
摘要：
Patent activity was analyzed using green car-related patents according to the country and applicant. Green car-related R&D has been actively underway in advanced countries such as the U.S., and Japan, and recently, Korea has joined it by developing hybrid electric vehicles, electric vehicles, and fuel cell electric vehicles. Among green car-related patent applicants, Toyota motor in Japan has the largest percentage of the latest patents, and Honda Giken Kogyo has the largest percentage of triadic patents. As a result of comprehensive review of the number of patents, and the percentages of the latest patents and triadic patents in green car fi elds, it was found that the U. S. and Japan have excellent patent activity, while Korea has a low percentage of triadic patents. It was analysed that the percentages of the latest patents in Korea was relatively higher for fuel cell electric vehicles but lower for clean diesel vehicles and hybrid electric vehicles among green car fi elds than in advanced countries. Technical diversity by country was analyzed with hybrid electric vehicles (HEV), electric vehicles (EV), clean diesel vehicles (CDV), and fuel cell electric vehicles (FCEV).
引用
收藏
页码：141 / 159
页数：19
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