Green Business Bureau Blog
Report: 274 green patents filed in Q2
A report by the Clean Energy Patent Growth Index showed that 274 new patents were filed during the second quarter for green and alternative energy sources.
Of those, 156 were in fuel cell technology, up from 42 in the same quarter of last year. Solar patents totaled 51, compared with 36, while biofuel had 13, compared with five.
Japan led the geographic areas tracked with 75 granted clean energy patents and California was second with 29 granted clean energy patents.
The Clean Energy Patent Growth Index was presented by cleantech group Heslin Rothenberg Farley & Meiti PC, based in Albany, N.Y.
Source: Pittsburgh Business Times