ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,329, issued on Dec. 9, was assigned to Sumitomo Riko Co. Ltd. (Aichi, Japan).
"Seal member" was invented by Takahiro Morita (Aichi, Japan), Yasuyuki Hayasaki (Aichi, Japan), Ryosuke Yamaoka (Aichi, Japan) and Risa Tajima (Aichi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "This seal member is a cured product of a silicone rubber composition that comprises a silicone rubber and silica particles, and has multiple insertion holes into which counterpart members are inserted; and this seal member satisfies the following conditions (a) to (d). (a) If X (parts by mass) is the content of the silica particles relative to 100 parts by mass of a base po...