ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,140, issued on Nov. 3, was assigned to OAT AGRIO Co. LTD. (Tokyo).
"Plant stomata opening promoting agent" was invented by Keijiro Kito (Naruto, Japan), Sumio Iwai (Kagoshima, Japan) and Michio Onjo (Kagoshima, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "It is an object of the present invention to provide a plant stomatal opening promoting agent that is inexpensive, highly safe, and has an excellent stomatal opening promoting effect. The present invention is a plant stomatal opening promoting agent comprising stevia."
The patent was filed on Dec. 25, 2020, under Application No. 17/783,399.
*For further information, including images, charts...