| 发明名称 | Toner set for electrophotography, and image forming method and apparatus | ||
| 摘要 | A toner set for electrophotography, including a black toner; a yellow toner; a magenta toner; a cyan toner; and a bright yellow toner, wherein the magenta toner includes a magenta colorant mainly including C.I. Pigment Red 122, the yellow toner has a hue angle of from 93 to 100° and the bright yellow toner has a hue angle of from 60 to 85° in L*a*b* color system. | ||
| 申请公布号 | US8778578(B2) | 申请公布日期 | 2014.07.15 |
| 申请号 | US201213527053 | 申请日期 | 2012.06.19 |
| 申请人 | Ricoh Company, Ltd. | 发明人 | Suzuki Kazumi;Morita Tatsuya;Sakashita Shingo |
| 分类号 | G03G15/01;G03G9/09 | 主分类号 | G03G15/01 |
| 代理机构 | Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P. | 代理人 | Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P. |
| 主权项 | 1. A toner set for electrophotography, comprising: a black toner; a yellow toner; a magenta toner; a cyan toner; and a bright yellow toner, wherein the magenta toner comprises a magenta colorant mainly comprising C.I. Pigment Red 122, the yellow toner has a hue angle of from 93 to 100° and the bright yellow toner has a hue angle of from 60 to 85° in L*a*b* color system. | ||
| 地址 | Tokyo JP | ||