ALEXANDRIA, Va., March 24 -- United States Patent no. 12,585,078, issued on March 24, was assigned to NIKON Corp. (Tokyo).
"Lens barrel and imaging device" was invented by Koji Nagaoka (Yokohama, Japan) and Takuji Hamasaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lens barrel having good optical performance, the lens barrel includes a first lens holding frame that holds a first lens, a first guide bar that guides the first lens holding frame in an optical axis direction, a contact member that is in contact with the first guide bar, and a biasing member that is in contact with the first lens holding frame and biases the contact member toward the first guide bar."
The patent was filed on Dec. 9,...