US Patent Issued to FUJI ELECTRIC on May 26 for "IGBT cells with floating mesa" (Japanese Inventor)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,641,858, issued on May 26, was assigned to FUJI ELECTRIC Co. LTD. (Kanagawa, Japan).

"IGBT cells with floating mesa" was invented by Yoshihiro Ikura (Matsumoto-city, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a semiconductor device including a plurality of mesa portions which are arranged one by one between two of trench portions adjacent to each other in a second direction in a semiconductor substrate. The plurality of mesa portions includes a floating mesa portion which is insulated from an emitter electrode, and an emitter-connected mesa portion which is arranged adjacent to the floating mesa portion in the second direction and i...