Oblon, McClelland, Maier & Neustadt, L.L.P.
Toner, developer, image forming apparatus and toner housing unit
A toner fixable on an image bearer with heat. The toner has a first storage modulus of from 1×103 to 1×106 Pa, measured at 100° C. when being heated, and a second storage modulus of from 1×103 to 1×106 Pa, measured at 100° C. when being cooled, the first storage modulus and second storage modulus being measured by a rheometer, and the second storage modulus at 100° C. when being cooled is higher than the first storage modulus at 100° C. when being heated.
Ricoh Company, Ltd.
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inventional additional inventional
Masanori Minoru Hiroshi Hiroshi Shizuka
Rimoto Masuda Yamada Yamashita Hashida