ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,278, issued on Aug. 12, was assigned to Canon K.K. (Tokyo).
"Toner and method for producing toner" was invented by Yuna Yamamoto (Tokyo), Shohei Shibahara (Shizuoka, Japan), Kenji Aoki (Shizuoka, Japan), Tsutomu Shimano (Shizuoka, Japan), Takashi Matsui (Shizuoka, Japan) and Takayuki Toyoda (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A toner contains a toner particle containing a resin component and a wax. The resin component contains a vinyl polymer A having a monomer unit A represented by the formula (A):In a luminance histogram created from STEM observation, the total pixel value C in luminance 0 to 9 and the total pixel value...