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A particular focus is electric vehicle technology such as traction batteries in general, lithium-ion traction batteries, supercapacitors/ ultracapacitors, battery management systems and charging. However, there is thorough coverage of lithium batteries and supercapacitors in general for those more widely interested in these topics. The results are startling. Some of the most respected giants of the industry are dismantling their R&D in order to pump money into production facilities just when the technology is rapidly changing. The company with a strong, broad patent portfolio, that is the fastest increasing one, is rarely mentioned in the press as a leader in this subject. Our measurements reveal that one giant landing the biggest orders rarely has its huge portfolio of patents cited, a warning on IP quality.