Using Patents Data to Map Technical Change in Health-Related Areas [E-Book] / Frank Lichtenberg and Suchin Virabhak
Lichtenberg, Frank.
Virabhak, Suchin.
Paris : OECD Publishing, 2002
48 p. ; 21 x 29.7cm.
englisch
10.1787/522485718871
OECD Science, Technology and Industry Working Papers ; 2002/16
Science and Technology
Full Text
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245 1 0 |a Using Patents Data to Map Technical Change in Health-Related Areas  |h [E-Book] /  |c Frank Lichtenberg and Suchin Virabhak 
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520 3 |a This document reports findings regarding the use of patents data for understanding various dimensions of technical change in health-related areas. Reported counts are based on "Triadic Patent Families", that is sets of patents covering a single invention, filed altogether in Europe, Japan and the US. There were nearly 40 000 health-related patent families filed in the 1988-1995 period, which is 16% of the total number of patent families, with a majority (58%) of Medical Preparations (mainly drugs), followed by Surgery (13%), Media Devices (10%) and Prostheses (9%). The share of health patent inventors residing in the US is 56% (it is 35% in all families), EU is 27% (32% in all families), and Japan is 11% (28% in all families). The share of the US has been increasing between 1988 and 1995, whereas the share of Japan was shrinking. Internationalisation of research (measured by the share of patents with inventors residing in two or more different countries) has been growing steadily ... 
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