ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,584, issued on Nov. 11, was assigned to KYOWA HAKKO BIO Co. LTD. (Tokyo).

"Agent for elevating nitric oxide concentration" was invented by Masahiko Morita (Tokyo) and Ayako Kamimura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An agent for elevating nitric oxide (NO) concentration comprising glutathione or a salt thereof as an active ingredient; an agent for elevating NO concentration comprising glutathione or a salt thereof as an active ingredient for preventing or ameliorating a vascular endothelial malfunction-related symptom, or dilating blood vessels or promoting blood flow by elevating NO concentration; and a method for elevating NO c...