Showing 1 - 10 of 10,892
This chapter summarizes the basic characteristics of patent data as an innovation indicator and reviews some of the … recent research using patent data, focusing on major developments since Griliches in 1990 [Griliches, Z. (1990). “Patent … availability of patent data on an increasingly global scale and the accompanying global spread of research using patent data. The …
Persistent link: https://www.econbiz.de/10014025146
Patent citation data are used in a growing body of economics and business research on technological diffusion. Until … now, there exists little evidence on whether patent citations are a good measure of knowledge flows. Our paper assesses … the legitimacy of using European patent citations as a measure of technology flows. It uses information from the Community …
Persistent link: https://www.econbiz.de/10012774298
patent applications to the European Patent Office, with the top five (Tokyo, Seoul, San Francisco, Higashiosaka and Paris … technology patent applications are more concentrated in top cities than applications in other technology fields. In the United … States, which has led digital technology deployment, the concentration of patent applications in top cities increased more …
Persistent link: https://www.econbiz.de/10012168905
linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties to map the innovation network and its … strength. Past innovation network structures are calculated using citation patterns across technology classes during 1975 …-1994. The interaction of this pre-existing network structure with patent growth in upstream technology fields has strong …
Persistent link: https://www.econbiz.de/10011557905
use a multi-informant longitudinal design combining unique survey and patent data on a multi-industry sample of about 163 … or exploitation, it is advisable to maintain it at an appropriate level. This article suggests a patent-based instrument …
Persistent link: https://www.econbiz.de/10010479365
Intangible knowledge capital (IKC) - technology produced by workers but not embodied in them - can offset the "middle income trap" as China exhausts the benefits of international technology transfer. IKC is productivity-enhancing among Chinese enterprises - more so in domestically owned than in...
Persistent link: https://www.econbiz.de/10010224593
Concerns have been raised that the upsurge of 3D printing technology would disrupt the patent system. The central … us to rethink patent law. The paper splits up this question by looking at two facets in more depth – patentability and …/consumers). The paper concludes that the wide uptake of 3D printing does not fundamentally challenge the premises of patent law. 3D …
Persistent link: https://www.econbiz.de/10012957619
This paper proposes a search strategy for photovoltaic patents which allows to distinguish the photovoltaic system into sub-trajectories. Identifying and analyzing sub-trajectories is of particular importance for understanding micro patterns of technological change. The proposed search strategy...
Persistent link: https://www.econbiz.de/10011715485
between imitation and innovation. Using US patent data for the period 1977-2005, we find that there are inverted U …-shaped relationships between the degree of industry-level technological imitation and industry-level innovation activities and between the … degree of industry-level technological imitation and the value of firm-level innovation. Our results suggest that positive …
Persistent link: https://www.econbiz.de/10012902478
patent term in order to best balance the normal scientific processes and alternate hypothesis generation that jointly enable …
Persistent link: https://www.econbiz.de/10014058756