ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,604, issued on May 6, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Optical module" was invented by Akio Shirasaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "This optical module comprises: a semiconductor laser, an optical receiver, and a lens that are mounted on a carrier; an optical fiber; and a control circuit that controls the injection current of the laser such that the output current is kept constant. The lens and at least a part of the receiver are respectively fixed on the carrier with resin bonding materials that undergo thermosetting shrinkage. Initial positions in the laser, a tip end part of the optical fiber, the receiv...