technologies. This study relies on patent data to examine international innovative activity in concentrating solar power … solar thermal technologies to the International Patent Classification (IPC) system. To this end we suggest a narrowly … information from three international patent offices, the European, the United States and the Japanese patent office. Innovative …

technology fields (ISI-SPRU-OST concordance) and 6 high-technology fields based on data on EPO patent applications and EPO … inventors for the reference period 1977-2004. Based upon OECD RegPAT database (January 2009), we extract EPO patent applications … analysis differ in their overall size with respect to the stock of EPO patent applications and inventors; (ii) the share of …