U.S. patents for Clean Energy technologies in 2014 were again at an all time high of 3609, which was 434 more than 2013. GM retained control of the annual Clean Energy Patent crown over Toyota and all other challengers. Solar patents gained even more ground on other sectors with 1238 Solar patents - a record year for any sector. The United States led all other countries in the number of granted U.S. clean energy patents followed by Japan and then a number of others including Germany, South Korea and Taiwan. California again led U.S. States while Michigan and New York fell further behind.