ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,964, issued on Oct. 7, was assigned to HITACHI LTD. (Tokyo).
"Hydrogen production apparatus" was invented by Hiromasa Takahashi (Tokyo), Shin Yabuuchi (Tokyo), Naoto Fukatani (Tokyo), Futoshi Furuta (Tokyo) and Jun Hayakawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydrogen production apparatus including a photocatalyst and generating hydrogen from water includes a wavelength separation unit separating sunlight by wavelength, an infrared light conversion unit converting infrared light separated by the wavelength separation unit to visible light, and an ultraviolet light conversion unit converting ultraviolet light separated by the wavel...