Invention Grant
- Patent Title: Toner, image forming method, image forming apparatus, and process cartridge
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Application No.: US16492986Application Date: 2018-02-21
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Publication No.: US11036152B2Publication Date: 2021-06-15
- Inventor: Shohta Kobayashi , Satoshi Ogawa , Yoshitaka Sekiguchi , Masayuki Ishii , Naoko Kitada
- Applicant: Shohta Kobayashi , Satoshi Ogawa , Yoshitaka Sekiguchi , Masayuki Ishii , Naoko Kitada
- Applicant Address: JP Shizuoka; JP Nara; JP Shizuoka; JP Shizuoka; JP Shizuoka
- Assignee: Shohta Kobayashi,Satoshi Ogawa,Yoshitaka Sekiguchi,Masayuki Ishii,Naoko Kitada
- Current Assignee: Shohta Kobayashi,Satoshi Ogawa,Yoshitaka Sekiguchi,Masayuki Ishii,Naoko Kitada
- Current Assignee Address: JP Shizuoka; JP Nara; JP Shizuoka; JP Shizuoka; JP Shizuoka
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JPJP2017-047242 20170313
- International Application: PCT/JP2018/006323 WO 20180221
- International Announcement: WO2018/168373 WO 20180920
- Main IPC: G03G9/08
- IPC: G03G9/08 ; G03G9/087 ; G03G9/097 ; G03G21/18

Abstract:
Provided is a toner including a binder resin, a release agent, and a charge-controlling agent, wherein the toner includes toner particles having particle diameters of 3 micrometers or smaller, among the toner particles having particle diameters of 3 micrometers or smaller, a proportion of the toner particles having an average circularity of 0.70 or greater but 0.85 or less in all of the toner particles is 10% by number or greater but less than 20% by number and a proportion of the toner particles having an average circularity of less than 0.70 in all of the toner particles is 10% by number or less.
Public/Granted literature
- US20200019076A1 TONER, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE Public/Granted day:2020-01-16
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