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cs.DL2015★ 2 cited
The Globalization of Academic Entrepreneurship? The Recent Growth (2009-2014) in University Patenting Decomposed
Loet Leydesdorff, Henry Etzkowitz, Duncan Kushnir
The contribution of academia to US patents has become increasingly global. Following a pause, with a relatively flat rate, from 1998 to 2008, the long-term trend of university pate…
cs.DL2012★ 4 cited
Interactive Overlay Maps for US Patent (USPTO) Data Based on International Patent Classifications (IPC)
Loet Leydesdorff, Duncan Kushnir, Ismael Rafols
We report on the development of an interface to the US Patent and Trademark Office (USPTO) that allows for the mapping of patent portfolios as overlays to basemaps constructed from…