US Patent Issued to TOKYO OHKA KOGYO on Nov. 25 for "Aqueous cleaning liquid and method of cleaning electronic device" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,077, issued on Nov. 25, was assigned to TOKYO OHKA KOGYO Co. LTD. (Kawasaki, Japan).

"Aqueous cleaning liquid and method of cleaning electronic device" was invented by Shinya Koga (Kawasaki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aqueous cleaning liquid including hydrofluoric acid and tetradecylphosphonic acid, and a method of cleaning an electronic device, contacting the electronic device with the aqueous cleaning liquid."

The patent was filed on Sept. 19, 2023, under Application No. 18/470,305.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=...