ALEXANDRIA, Va., April 21 -- United States Patent no. 12,604,984, issued on April 21, was assigned to AICHI Co. LTD. (Nagoya, Japan).
"Chair" was invented by Taku Kumazawa (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A chair includes a backrest and a backrest frame. The backrest is configured to support a back of a user of the chair. The backrest frame supports the backrest. The backrest frame includes a right bar-shaped member, a left bar-shaped member, and an upper bar-shaped member. The right bar-shaped member supports a right side of the backrest. The left bar-shaped member supports a left side of the backrest. The upper bar-shaped member supports an upper side of the backrest. Further, ...