In 2002, the Fraunhofer ISE patented the HERIC circuit for highly efficient inverters. Since then, the institute says, it has recorded out-of-court settlements in seven patent infringement lawsuits against companies from China, Taiwan and Germany.
The U.S. International Trade Commission has determined that JinkoSolar’s products do not infringe any patent claimed by Hanwha Q-Cells. At the patent’s core is a passivation technology that significantly increases the efficiency of modules.
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