Canon Inc. announced that it has reported certain toner cartridges sold on Amazon, including Toner Bank brand cartridges sold by Inkqueen, for allegedly infringing Canon's U.S. Patent No. 12,321,128. The company requested the removal of these product listings from Amazon.com, and at the time of the announcement, the identified products were no longer available on the site. Canon stated its commitment to enforcing its patent rights and protecting its innovations.
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