ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,963, issued on March 11, was assigned to National University Corporation Tokai National Higher Education and Research System (Aichi, Japan) and SAWAFUJI ELECTRIC Co. LTD. (Gunma, Japan).

"Hydrogen recycle system and hydrogen recycle method" was invented by Shinji Kambara (Aichi, Japan), Yukio Hayakawa (Aichi, Japan), Tomonori Miura (Gunma, Japan) and Tatsuya Ikeda (Gunma, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a hydrogen recycle system and a hydrogen recycle method, whereby hydrogen can be purified to high purity at high yield from a gas, said gas being exhausted from a nitride compound production device, and recycled. Th...