ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,812, issued on March 18, was assigned to RICOH COMPANY LTD. (Tokyo).
"Powder replenisher and powder replenishing method" was invented by Yuki Takano (Shizuoka, Japan), Masaru Narushima (Shizuoka, Japan), Yasuaki Tomioka (Shizuoka, Japan) and Chika Hirabayashi (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A powder replenisher includes a powder replenishment container to be replenished with powder. A pressure adjuster increases and decreases operating pressure applied to a variable capacity portion. A powder measuring instrument measures an amount of the powder that replenishes the powder replenishment container. A controller perfor...