US Patent Issued to Ricoh on Nov. 4 for "Printhead maintenance for recommending printhead replacement" (Colorado Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,264, issued on Nov. 4, was assigned to Ricoh Co. Ltd. (Tokyo).

"Printhead maintenance for recommending printhead replacement" was invented by Farnaz HajiahmadiFoomani (Boulder, Colo.), Ziling Zhang (Boulder, Colo.), Scott R. Johnson (Erie, Colo.) and William Edward Manchester (Erie, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods of recommending replacement of printheads. In an embodiment, a system trains a first neural network to generate anomaly scores for printheads using an unsupervised learning algorithm based on first training samples of conforming printhead data from a pool of conforming printheads. The system generate...