Toyota Claims Top Spot in 2012 Patents Issued to Auto Makers Toyota companies are granted 1,491 patents by the U.S. Patent and Trademark Office in 2012, more than any other auto maker. Affiliates of the Japanese auto maker received 30% more patents in 2012 than the previous year, a survey by the Intellectual Property Owners Assn. shows. The Michigan-based Toyota Technical Center’s more than 1,100 employees are engaged in engineering design, vehicle evaluation, materials ...

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