Share of low carbon patents
RTA solar 2000-2013RTA in technologies close to solar PV 2000-2013
RTA wind 2000-2013RTA in technologies close to wind motors 2000-2013
RTA batteries 2000-2013RTA in technologies close to batteries 2000-2013
RTA electric propulsion 2000-2013RTA in technologies close to electric propulsion 2000-2013
Concurrence of different IPC codes on the same patent (observed concurrence as compared to uniform distribution according to frequency of IPC codes)