ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,906, issued on May 20, was assigned to MAKITA Corp. (Anjo, Japan).
"Microwave oven" was invented by Masashi Sugiyama (Anjo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A microwave oven avoids being upsized. The microwave oven includes a housing including a cooking chamber inside the housing, a component chamber inside the housing, a first opening in a front portion of the housing and communicating with the cooking chamber, and an outlet in a rear portion of the housing and allowing air to be discharged from the component chamber to flow through the outlet. The microwave oven also includes a heat-generating component in the component chamber...