Invention Grant
- Patent Title: Toner, developer and developer containing unit
-
Application No.: US15152963Application Date: 2016-05-12
-
Publication No.: US09753387B2Publication Date: 2017-09-05
- Inventor: Shin Hasegawa , Tsuyoshi Sugimoto , Hideyuki Santo , Koh Ohnuma , Kohsuke Nagata , Suzuka Karato
- Applicant: Shin Hasegawa , Tsuyoshi Sugimoto , Hideyuki Santo , Koh Ohnuma , Kohsuke Nagata , Suzuka Karato
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2015-107739 20150527
- Main IPC: G03G9/08
- IPC: G03G9/08 ; G03G9/087 ; G03G15/01
Abstract:
A toner includes a base particle including a polyester resin and a colorant. A sea-island structure is observed by a transmission electron microscope (TEM) in a cross-sectional image of the toner. The island structure includes the colorant and has an average diameter of from 0.2 μm to 1.0 μm, and the number of the island structure is from 5 to 30.
Public/Granted literature
- US20160349644A1 TONER, DEVELOPER AND DEVELOPER CONTAINING UNIT Public/Granted day:2016-12-01
Information query
