US Patent Issued to OKAMURA on Nov. 3 for "Chair" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,299, issued on Nov. 3, was assigned to OKAMURA Corp. (Kanagawa, Japan).

"Chair" was invented by Hiroshi Masunaga (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spring member is disposed so that a biasing direction is in a forward/rearward direction, and includes a front side engagement portion disposed on a front portion of the spring and a rear side engagement portion disposed on a rear portion of the spring, a seat includes a front side spring receiving portion engaged with a front side engagement portion, a backrest or a support structure includes a rear side spring receiving portion engaged with the rear side engagement portion...