Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
Magenta toner and developer
A magenta toner, produced by a method including suspending an oily liquid comprising a binder resin and a colorant in an aqueous medium, wherein the colorant comprises a naphthol pigment and a quinacridone pigment, and the quinacridone pigment comprises a pigment having a specific formula.
Ricoh Company, Limited
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Shinichi Tsuyoshi Naohito Tsuneyasu Masaki Naohiro Hiroshi
Wakamatsu Sugimoto Shimota Nagatomo Watanabe Watanabe Yamashita