ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,496, issued on Dec. 16, was assigned to Sumitomo Electric Industries Ltd. (Osaka, Japan).

"Resin composition and power cable" was invented by Kohei Hosomizu (Osaka, Japan), Shoma Suzuki (Osaka, Japan) and Takanori Yamazaki (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A resin composition contains a base resin including a polyolefin and an inorganic filler including silicon dioxide and surface-treated with a silane coupling agent. A remaining rate R of the inorganic filler in a fractured frozen surface is 50% or more. The remaining rate R is calculated using the following expression (1). R=(Df/Dc)x100.. (1). Df represents a density of ...