ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,937, issued on July 29, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).
"Hinge and door" was invented by Duong Tuan Nghia (Komaki, Japan), Hisahiko Narukawa (Komaki, Japan), Shinsuke Sato (Komaki, Japan) and Takayuki Yokochi (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hinge includes: a base portion extending in a first direction; a protruding portion having a projection projecting in the first direction; a spring portion configured to be elastically deformed in the first direction; and an operation portion. The base portion, the protruding portion, the spring portion, and the operation portion are made of a resin...