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公开(公告)号：US11036486B2
公开(公告)日：2021-06-15
申请号：US16034679
申请日：2018-07-13
发明人： Takashi Matsui
摘要： A communication apparatus includes a first communication unit that communicates with a terminal apparatus using a first communication method, a second communication unit that communicates with a server apparatus using a second communication method different from the first communication method, a reception unit that controls receiving update information from the server apparatus in a case where the communication apparatus can communicate with the server apparatus via the second communication unit, an update unit that performs an update process for updating the communication apparatus using the update information, and a progress management unit that controls transmitting a progress status of a process regarding the update information to the terminal apparatus.
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公开(公告)号：US10969705B2
公开(公告)日：2021-04-06
申请号：US16438544
申请日：2019-06-12
IPC分类号： G03G9/08 , G03G9/107 , C08F218/08 , C08F220/46 , C08F220/68 , G03G9/087 , G03G9/113
摘要： Provided is a two-component developer has a toner including a toner particle including a binder resin, and a magnetic carrier, wherein the binder resin includes a polymer A having a first monomer unit derived from a first polymerizable monomer, and a second monomer unit derived from a second polymerizable monomer different from the first polymerizable monomer, the first polymerizable monomer is a specific (meth)acrylic acid ester, a content and an SP value of the first and second monomer units in the polymer A fall within respective specific ranges, the magnetic carrier has a magnetic core and a coating resin of the surface of the magnetic core, the coating resin includes a polymer B having monomer units (a) and (b), each SP value of the monomer units (a) and (b) is a specific value.
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公开(公告)号：US10859931B2
公开(公告)日：2020-12-08
申请号：US16438541
申请日：2019-06-12
摘要： A toner having an inorganic fine particle and a toner particle containing a binder resin, wherein the binder resin contains a polymer A having a first monomer unit derived from a first polymerizable monomer and a second monomer unit derived from a second polymerizable monomer that is different from the first polymerizable monomer, the first polymerizable monomer is selected from the (meth)acrylic acid esters each having a C18-36 alkyl group, the content of the first monomer unit in the polymer A is within a specific range, the SP value of the first monomer unit and the SP value of the second monomer unit are in a specific relationship to one another, the inorganic fine particle is surface treated with a compound having an alkyl group, and the volume resistivity of the inorganic fine particle is within a specific range.
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公开(公告)号：US20190384200A1
公开(公告)日：2019-12-19
申请号：US16438545
申请日：2019-06-12
发明人： Kenta Kamikura , Takashi Matsui , Kenji Aoki , Masao Suzuki , Tsutomu Shimano , Reo Tagawa
IPC分类号： G03G9/093
摘要： The toner has a toner particle in which a toner core containing a binder resin is coated with a shell layer, wherein the binder resin contains a polymer A that has a first monomer unit and a second monomer unit; the first unit is derived from (meth)acrylate ester having an alkyl group having 18 to 36 carbon atoms; the content of the first monomer unit in the polymer is 5.0 to 60.0 mol %; the content of the second monomer unit is 20.0 to 95.0 mol %; the following formula (1) is satisfied when the SP value of the first unit is denoted by SP11 and the SP value of the second unit is denoted by SP21; and the toner core is coated with a highly uniform shell over at least 90% of the circumference of the toner cross section; 3.00≤(SP21−SP11)≤25.00 (1).
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公开(公告)号：US20190384194A1
公开(公告)日：2019-12-19
申请号：US16438605
申请日：2019-06-12
发明人： Daisuke Yoshiba , Tomoya Nagaoka , Takashi Matsui
摘要： Provided is a positive-charging toner having a toner particle that contains a binder resin, the binder resin contains a polymer A having a first monomer unit derived from a first polymerizable monomer, and a second monomer unit derived from a second polymerizable monomer, the first polymerizable monomer is at least one selected from the group consisting of (meth)acrylic acid esters having a C18 to C36 alkyl group, the content of the first monomer unit in the polymer A is 5.0 to 60.0 mol % and the content of the second monomer unit is 20.0 to 95.0 mol %, SP11 of the first monomer unit and SP21 of the second monomer unit satisfy 3.00≤(SP21−SP11)≤25.00, and the work function of the toner is 5.0 to 5.4 V.
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公开(公告)号：US20190384192A1
公开(公告)日：2019-12-19
申请号：US16438611
申请日：2019-06-12
IPC分类号： G03G9/083 , G03G9/107 , G03G9/087 , G03G9/08 , C08F220/68 , C08F220/46 , C08F212/10 , G03G9/113
摘要： Provided is a magnetic toner having a toner particle containing a binder resin and a magnetic body, wherein the binder resin contains a polymer A having a first monomer unit and a second monomer unit, the first polymerizable monomer is at least one selected from the group consisting of the (meth)acrylic acid esters having C18-36 alkyl groups, a content of the first monomer unit and a content of the second monomer unit based on the total moles of all monomer units in the polymer A are respectively 5.0 to 60.0 mol % and 20.0 to 95.0 mol %, and assuming that an SP value of the first monomer unit and the second monomer unit are taken as SP11 (J/cm3)0.5 and SP21(J/cm3)0.5, respectively, 3.00≤(SP21−SP11)≤25.00 is satisfied, and an oil absorption of the magnetic body is 5 to 40 ml/100 g.
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公开(公告)号：US10241430B2
公开(公告)日：2019-03-26
申请号：US15969192
申请日：2018-05-02
发明人： Sho Kimura , Shuhei Moribe , Takashi Matsui , Hiroyuki Tomono , Shotaro Nomura , Atsuhiko Ohmori , Takuya Mizuguchi , Tatsuya Saeki , Katsuhisa Yamazaki
摘要： A toner comprising: a toner particle containing a binder resin and a colorant; and an external additive, wherein the external additive is a composite particle having an organic substance and an organosilicon polymer coating layer on the surface of the organic substance, and when a curve for the variation (dE′/dT) in the storage elastic modulus E′ of the toner with respect to temperature T [° C.] is obtained on the basis of a curve of the temperature T—the storage elastic modulus E′ [Pa] of the toner, as determined by powder dynamic viscoelasticity measurements of the toner, the relative minimum value on the lowest temperature side between the onset temperature and 90° C. is −1.35×108 or less.
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公开(公告)号：US10197934B2
公开(公告)日：2019-02-05
申请号：US15631186
申请日：2017-06-23
发明人： Takashi Matsui , Naoki Okamoto , Yuujirou Nagashima , Keisuke Tanaka , Shohei Tsuda , Kosuke Fukudome , Takuya Mizuguchi
摘要： A toner having a toner particle containing a binder resin, an amorphous polyester, and a colorant, wherein a softening point of the toner is at least 110° C. and not more than 140° C.; an integrated value f1 for stress of the toner is not more than 10 g·m/sec, as measured using a tack tester, with a temperature for a probe end being 150° C. and a press holding time being 0.01 seconds; and an integrated value f2 for stress of the toner is at least 30 g·m/sec, as measured using a tack tester, with a temperature for a probe end being 150° C. and a press holding time being 0.1 seconds.
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59.发明申请公开(公告)号：US20190026096A1
公开(公告)日：2019-01-24
申请号：US16034679
申请日：2018-07-13
发明人： Takashi Matsui
摘要： A communication apparatus includes a first communication unit that communicates with a terminal apparatus using a first communication method, a second communication unit that communicates with a server apparatus using a second communication method different from the first communication method, a reception unit that controls receiving update information from the server apparatus in a case where the communication apparatus can communicate with the server apparatus via the second communication unit, an update unit that performs an update process for updating the communication apparatus using the update information, and a progress management unit that controls transmitting a progress status of a process regarding the update information to the terminal apparatus.
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公开(公告)号：US20180004106A1
公开(公告)日：2018-01-04
申请号：US15631366
申请日：2017-06-23
CPC分类号： G03G9/0825 , G03G9/0804 , G03G9/081 , G03G9/0833 , G03G9/08708 , G03G9/08711 , G03G9/08724 , G03G9/08755 , G03G9/08795 , G03G9/08797 , G03G9/0904 , G03G15/0216
摘要： A toner comprising a toner particle containing a binder resin, a colorant, an amorphous polyester, and a crystalline polyester, wherein the binder resin contains a vinyl resin; the amorphous polyester has a monomer unit derived from a linear aliphatic dicarboxylic acid having 6 to 12 carbons, and a monomer unit derived from a dialcohol; the content of the monomer unit derived from a linear aliphatic dicarboxylic acid having 6 to 12 carbons is 10 to 50 mol % with reference to the total monomer units derived from a carboxylic acid in the amorphous polyester; and in a cross section of the toner particle, the vinyl resin constitutes a matrix and the amorphous polyester constitutes domains, and the crystalline polyester is present in the interior of the domains.
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