ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,204, issued on May 12, was assigned to KURARAY Co. LTD. (Kurashiki, Japan).
"Adsorption filter" was invented by Keita Takahashi (Okayama, Japan), Tetsuya Hanamoto (Okayama, Japan) and Hiroe Yoshinobu (Okayama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The adsorption filter according to the present invention is formed from a molded body including activated carbon and a binder, the pore volume of pores having a diameter of 10 micro metre or greater in terms of the volume of the adsorption filter as measured through mercury intrusion being 0.10 cm3/cc to 0.39 cm3/cc."
The patent was filed on Sept. 21, 2021, under Application No. 17/912,929....