GM tops in U.S. clean-tech patents in '10; Honda tops from '02-'10

  • 21-Apr-2011 04:07 EDT
FCX_Clarity_107 fuel cell stack.jpg

Honda is the leader in U.S. patents for fuel cell technology from 2002 to 2010. Shown is the 2011 Honda FCX Clarity V Flow fuel cell stack.

Of the 756 clean-tech patents issued in 2010 by the U.S. Patent and Trademark Office, General Motors earned 135—the most of any company, according to the Clean Energy Patent Growth Index published by Heslin Rothenberger, Farley & Mesiti P.C. Honda was second with 105. No other automaker earned more than 100. GM and Honda were also ranked one-two in patents in the category of fuel cell technologies, at 112 and 94, respectively. More patents were issued in 2010 (and in the preceding nine years as well) for fuel cell technology than for any other year, by far. In hybrid and electric vehicle technology, GM led the way with 22, followed closely by Toyota (21) and Ford (20); Honda (6) also trailed Nissan (15) and Hyundai (9) in 2010, but between 2002 and 2010 earned more (161) than any other automaker, edging out Ford by 10. U.S. patents for clean-energy technologies in 2010 were at an all-time high (1881), up 756 (almost 170%) over 2009. Honda (618) and GM (494) far outpaced other companies in clean-tech patents from 2002 to 2010.

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