发明授权
- 专利标题： Toner, developer, image developer and image forming apparatus
- 专利标题（中）： 调色剂，显影剂，图像显影剂和图像形成装置
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申请号： US11830100申请日： 2007-07-30
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公开(公告)号： US07749674B2公开(公告)日： 2010-07-06
- 发明人: Hideki Sugiura , Satoshi Mochizuki , Yasuaki Iwamoto , Yasuo Asahina , Kazuhiko Umemura , Tomoyuki Ichikawa , Shinya Nakayama , Koichi Sakata , Tomoko Utsumi
- 申请人： Hideki Sugiura , Satoshi Mochizuki , Yasuaki Iwamoto , Yasuo Asahina , Kazuhiko Umemura , Tomoyuki Ichikawa , Shinya Nakayama , Koichi Sakata , Tomoko Utsumi
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2003-010902 20030120
- 主分类号： G03G9/087
- IPC分类号： G03G9/087
摘要：
A toner including toner particles including a binder resin, a colorant, and an inorganic particulate material present on a surface of the toner particles. The toner particles have a surface roughness (Ra) of from 1 to 30 nm, a standard deviation of the surface roughness of from 10 to 90 nm and include 1 to 20 convexities per 1 μm, which have a height not less than 10 nm.
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