Invention Grant
- Patent Title: Toner and developer using the toner
- Patent Title (中): 墨粉和显影剂使用墨粉
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Application No.: US11513175Application Date: 2006-08-31
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Publication No.: US07666563B2Publication Date: 2010-02-23
- Inventor: Masahiro Ohki , Naohiro Watanabe , Ryota Inoue , Masahide Yamada , Akinori Saitoh , Shigeru Emoto , Tsunemi Sugiyama , Shinichi Wakamatsu
- Applicant: Masahiro Ohki , Naohiro Watanabe , Ryota Inoue , Masahide Yamada , Akinori Saitoh , Shigeru Emoto , Tsunemi Sugiyama , Shinichi Wakamatsu
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company Limited
- Current Assignee: Ricoh Company Limited
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2005-255834 20050905; JP2006-003146 20060111
- Main IPC: G03G9/09
- IPC: G03G9/09

Abstract:
A toner is provided including a binder resin including at least one polyester resin in an amount of from 50 to 100% by weight, and a colorant having a specific formula, wherein the toner has a shape factor SF-1 of from 120 to 150 and a shape factor SF-2 of from 125 to 180; and a developer using the toner.
Public/Granted literature
- US20070054210A1 Toner and developer using the toner Public/Granted day:2007-03-08
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