ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,507,915, issued on Dec. 30, was assigned to Medtronic MiniMed Inc. (Northridge, Calif.).

"Metal pillar device structures and methods for making and using them in electrochemical and/or electrocatalytic applications" was invented by Akhil Srinivasan (Woodland Hills, Calif.), Melissa Tsang (Los Angeles), Robert C. Mucic (Glendale, Calif.), Tyler R. Wong (Pasadena, Calif.), Rui Kong (Porter Ranch, Calif.) and Barry P. Pham (Burbank, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention disclosed herein includes electrode compositions formed from processes that sputter metal in a manner that produces pillar architectures. Embodiments of the in...