US Patent Issued to Hitachi Astemo on March 17 for "Cylinder device and method of manufacturing piston rod" (Japanese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,468, issued on March 17, was assigned to Hitachi Astemo Ltd. (Ibaraki, Japan).

"Cylinder device and method of manufacturing piston rod" was invented by Yasuhisa Omata (Hitachinaka, Japan), Hideo Nagayama (Hitachinaka, Japan), Kosuke Tokunaga (Hitachinaka, Japan), Ryo Shinata (Hitachinaka, Japan), Reiji Nakagawa (Hitachinaka, Japan) and Shoichiro Soeta (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "This cylinder device of the present aspect includes: a cylinder having a bottomed tubular shape; a seal member provided at an opening of the cylinder; and a piston rod that is provided to protrude from the opening of the cylinder and s...