ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,423,996, issued on Sept. 23, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Passenger state determination device and passenger state determination method" was invented by Taro Kumagai (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A passenger state determination device includes: a third determination part finally determining a state of a passenger based on a first determination result as a determination result of the state of the passenger by the first determination part and a second determination result as a determination result of the state of the passenger by the second determination part. The third determination part determines the firs...