ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,097, issued on Nov. 18, was assigned to Kawasaki Jukogyo K.K. (Kobe, Japan).
"Hydrogen aircraft" was invented by Yoshitaka Kondo (Kobe, Japan), Takahiro Toyoda (Kobe, Japan), Takeshi Nakagawa (Kobe, Japan), Kenta Kumada (Kobe, Japan), Yosuke Ueno (Kobe, Japan) and Kazuki Nomura (Kobe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydrogen aircraft includes: an airframe including a fuselage and a wing; at least one propulsion system fixed to the airframe; a pressurized chamber disposed inside the fuselage; a pressure bulkhead that is disposed at a rear part of the pressurized chamber and has strength to withstand pressurization of the pressu...