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1.发明公开公开(公告)号：US20240103408A1
公开(公告)日：2024-03-28
申请号：US18263360
申请日：2021-12-27
CPC分类号： G03G15/167 , G03G9/0902 , G03G9/103 , G03G2215/066 , G03G2215/1614 , G03G2215/2074
摘要： An image forming method includes forming an electrostatic latent image on an electrostatic latent image bearer, developing the electrostatic image with a toner to form a visible image, transferring the visible image onto a recording medium, and fixing the transferred visible image on the recording medium. The toner includes toner base particles each including a binder resin, a release agent, and particles of an inorganic antibacterial antiviral agent, and satisfies conditions (1) to (3) below. The image forming method satisfies a relationship of 2.0X (micrometers)≤Z≤2.5X (micrometers). Conditions (1) the number average particle diameter X of the particles of the inorganic antibacterial antiviral agent is 1.5 (micrometers)≤X≤2.5 (micrometers), (2) 3X (micrometers)≤Y≤4X (micrometers), and (3) an amount of the inorganic antibacterial antiviral agent in the toner is 2.8% by mass or greater, but 5.0% by mass or less.
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公开(公告)号：US20200333720A1
公开(公告)日：2020-10-22
申请号：US16841731
申请日：2020-04-07
摘要： A toner is provided. The toner comprises a maleic-acid-modified polyolefin having a polypropylene block in a main chain and having a weight average molecular weight of 60,000 or more.
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3.发明申请公开(公告)号：US20200033745A1
公开(公告)日：2020-01-30
申请号：US16515103
申请日：2019-07-18
申请人： Toyoshi SAWADA , Kazumi SUZUKI , Yu NAITO , Akihiro KANEKO
发明人： Toyoshi SAWADA , Kazumi SUZUKI , Yu NAITO , Akihiro KANEKO
摘要： A toner comprising a binder resin and a near-infrared light absorbing material is provided. The toner in the form of a pellet has: a chroma C* of 20 or less in the L*C*h color space; a hue angle h of from 50 to 90 degrees in the L*C*h color space; and a spectral reflectance of 5% or less at a wavelength of from 800 to 900 nm.
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公开(公告)号：US20230288841A1
公开(公告)日：2023-09-14
申请号：US18116855
申请日：2023-03-03
申请人： Yuki KUMAKI , Kenji YABE , Toyoshi SAWADA , Kazumi SUZUKI
发明人： Yuki KUMAKI , Kenji YABE , Toyoshi SAWADA , Kazumi SUZUKI
CPC分类号： G03G15/0889 , G03G9/08704 , G03G9/09 , G03G15/0189 , G03G15/206 , G03G15/2064 , G03G2215/0607
摘要： An image forming apparatus includes an electrostatic latent image bearer, an electrostatic latent image former, a developing device, a transfer device, and a fixing device. The electrostatic latent image former forms an electrostatic latent image on the electrostatic latent image bearer. The developing device develops the electrostatic latent image with a developer to form a toner image. The transfer device transfers the toner image on a recording medium. The fixing device fixes the toner image on the recording medium. The developer contains an adhesive medium and foamable particles.
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公开(公告)号：US20210018855A1
公开(公告)日：2021-01-21
申请号：US16604058
申请日：2018-04-06
申请人： Toyoshi SAWADA , Kazumi SUZUKI , Natsuko MATSUSHITA , Yu NAITO
发明人： Toyoshi SAWADA , Kazumi SUZUKI , Natsuko MATSUSHITA , Yu NAITO
摘要： Provided is a toner including a binder resin and a colorant, wherein the colorant includes Solvent Red 49, and an acid value of the toner is 9.0 mgKOH/g or greater but 30.0 mgKOH/g or less.
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公开(公告)号：US20190086834A1
公开(公告)日：2019-03-21
申请号：US16133825
申请日：2018-09-18
申请人： Kazumi SUZUKI , Toyoshi Sawada , Yu Naito , Natsuko Matsushita
发明人： Kazumi SUZUKI , Toyoshi Sawada , Yu Naito , Natsuko Matsushita
CPC分类号： G03G15/0865 , G03G9/0821 , G03G9/087 , G03G9/0904 , G03G9/0906 , G03G9/091 , G03G9/0926 , G03G15/16 , G03G15/2064
摘要： A toner set for use in an image forming apparatus is provided. The toner set includes a fluorescent toner and a color toner. The fluorescent toner comprises a binder resin and a fluorescent agent. The color toner comprises a binder resin and a colorant. A 60-degree gloss value (Gf) of a solid image of the fluorescent toner is in a range of from 10 to 25, and a difference (Gn−Gf) between a 60-degree gloss value (Gn) of a solid image of the color toner and the 60-degree gloss value (Gf) of the solid image of the fluorescent toner is in a range of from 10 to 28.
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公开(公告)号：US20190196349A1
公开(公告)日：2019-06-27
申请号：US16210003
申请日：2018-12-05
申请人： Toyoshi SAWADA , Kazumi SUZUKI , Yu NAITO
发明人： Toyoshi SAWADA , Kazumi SUZUKI , Yu NAITO
CPC分类号： G03G9/0924 , C07F5/003 , G03G9/0926 , G03G9/09733 , G03G9/09758 , G03G9/09775 , G03G9/09783 , G03G15/08
摘要： A toner includes a europium complex represented by the following Chemical formula where A represents 2-naphthyl group, 2-naphthyl group having a substitution group selected from the group consisting of an alkyl group, an alkoxy group, and a halogen, R represents a fluoroalkyl group having one to three carbon atoms or a methyl group, and R1, R2, R3, and R4 each, independently represent hydrogen atoms, alkyl groups, or aryl groups, wherein the toner has a hydroxyl value of from 20 to 40 mgKOH/g.
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公开(公告)号：US20180113391A1
公开(公告)日：2018-04-26
申请号：US15567631
申请日：2016-03-24
申请人： Yoshitaka YAMAUCHI , Kazumi SUZUKI , Hisashi NAKAJIMA , Saori YAMADA , Yu NAITO , Akihiro KANEKO
发明人： Yoshitaka YAMAUCHI , Kazumi SUZUKI , Hisashi NAKAJIMA , Saori YAMADA , Yu NAITO , Akihiro KANEKO
CPC分类号： G03G9/0821 , G03G9/08711 , G03G9/08755 , G03G9/08795 , G03G9/08797 , G03G15/0865
摘要： A toner, where a diffraction peak of the toner as measured by X-ray diffraction spectroscopy is present at least in a region where 2θ is from 20° through 25°, and a difference between Tg1 and Tg2 is 10° C. or less, where Tg1 is a glass transition temperature of the toner, as observed in a last heating step, when heating and cooling are performed on the toner by means of a differential scanning calorimeter (DSC) under the heating and cooling conditions 1 defined in the specification, and Tg2 is a glass transition temperature of the toner, as observed in a last heating step, when heating and cooling are performed on the toner by means of the differential scanning calorimeter (DSC) under the heating and cooling conditions 2 defined in the specification.
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公开(公告)号：US20210072656A1
公开(公告)日：2021-03-11
申请号：US16959478
申请日：2018-12-26
申请人： Akihiro KANEKO , Kazumi SUZUKI , Hisashi NAKAJIMA , Yoshitaka YAMAUCHI , Kohtaroh OGINO , Teruyuki SUZUKI , Namie SUZUKI
发明人： Akihiro KANEKO , Kazumi SUZUKI , Hisashi NAKAJIMA , Yoshitaka YAMAUCHI , Kohtaroh OGINO , Teruyuki SUZUKI , Namie SUZUKI
摘要： Provided is a toner including toner particles, each toner particle includes: a base particle including a binder resin; and external additive particles, wherein the external additive particles include particles each having an equivalent circle diameter of 10 nm or greater, a volume average particle diameter of the particles each having an equivalent circle diameter of 10 nm or greater is 80 nm or greater but 140 nm or less, and a ratio (circumscribed circle area/particle area) of a circumscribed circle area of the particle having an equivalent circle diameter of 10 nm or greater to a particle area of the particle having an equivalent circle diameter of 10 nm or greater is 1.60 or greater but 2.60 or less.
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公开(公告)号：US20190278191A1
公开(公告)日：2019-09-12
申请号：US16293691
申请日：2019-03-06
申请人： Namie SUZUKI , Kazumi SUZUKI , Hisashi NAKAJIMA , Yoshitaka YAMAUCHI , Kohtaroh OGINO , Akihiro KANEKO
发明人： Namie SUZUKI , Kazumi SUZUKI , Hisashi NAKAJIMA , Yoshitaka YAMAUCHI , Kohtaroh OGINO , Akihiro KANEKO
摘要： A toner is provided. The toner comprises mother particles and an external additive covering the mother particles. The mother particles comprise a binder resin, and the external additive comprises inorganic particles. The inorganic particles comprise small-size inorganic particles having an equivalent circle diameter of from 30 to 70 nm and large-size inorganic particles having an equivalent circle diameter of from 150 to 200 nm and a circularity of 0.85 or more. The large-size inorganic particles are 20 to 70 in number per 100 μm2 image area of the toner observed with a field-emission scanning electron microscope.
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