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公开(公告)号：US12098288B2
公开(公告)日：2024-09-24
申请号：US17134906
申请日：2020-12-28
Applicant: CANON KABUSHIKI KAISHA
Inventor： Taichi Shintou , Koromo Shirota , Ai Hayakawa , Tsuyoshi Santo
CPC classification number: C09B55/009 , B41M5/39 , C09D11/037 , G02B1/04 , G03F7/0045 , G03G9/0906 , G02B5/20
Abstract: The azomethine compound provided by this case is a compound showing high chroma and having excellent light resistance.
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公开(公告)号：US20240174819A1
公开(公告)日：2024-05-30
申请号：US18304909
申请日：2023-04-21
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Yuya KATO , Takahiro YAMASHITA , Takahisa TATEKAWA
CPC classification number: C08J3/12 , C08K5/0041 , G03G9/0804 , G03G9/0819 , G03G9/08755 , G03G9/0906 , C08J2367/00
Abstract: A method for producing resin particles includes: mixing a binder resin and a dye at temperature T that satisfies formula (1) below to thereby obtain a mixture; and emulsifying the mixture, a basic compound, a water-based solvent, and a surfactant to thereby obtain a resin base particle dispersion:
the melting point T1 of the dye≤the temperature T≤the thermal decomposition temperature T2 of the binder resin. Formula (1)-
公开(公告)号：US20190086834A1
公开(公告)日：2019-03-21
申请号：US16133825
申请日：2018-09-18
Applicant: Kazumi SUZUKI , Toyoshi Sawada , Yu Naito , Natsuko Matsushita
Inventor： Kazumi SUZUKI , Toyoshi Sawada , Yu Naito , Natsuko Matsushita
CPC classification number: G03G15/0865 , G03G9/0821 , G03G9/087 , G03G9/0904 , G03G9/0906 , G03G9/091 , G03G9/0926 , G03G15/16 , G03G15/2064
Abstract: 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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4.发明申请公开(公告)号：US20180364600A1
公开(公告)日：2018-12-20
申请号：US16009462
申请日：2018-06-15
Applicant: Kazuoki FUWA , Hiroshi Yamashita , Yuka Mizoguchi , Shizuka Hashida , Toma Takebayashi , Junko Yamaguchi , Maia Kamei , Keisuke Ohta
Inventor： Kazuoki FUWA , Hiroshi Yamashita , Yuka Mizoguchi , Shizuka Hashida , Toma Takebayashi , Junko Yamaguchi , Maia Kamei , Keisuke Ohta
CPC classification number: G03G9/0902 , G03G9/0906 , G03G9/0912 , G03G9/0924 , G03G9/0926 , G03G15/08 , G03G2215/0604
Abstract: A toner is provided. The toner comprises a glittering pigment and a coloring pigment. The glittering pigment is disposed inside the toner. The coloring pigment comprises a yellow pigment comprising an isoindoline pigment.
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公开(公告)号：US20180253022A1
公开(公告)日：2018-09-06
申请号：US15874014
申请日：2018-01-18
Applicant: Hiroyuki TAKEDA , Junichi AWAMURA , Hiroshi YAMADA , Akira TANAKA
Inventor： Hiroyuki TAKEDA , Junichi AWAMURA , Hiroshi YAMADA , Akira TANAKA
CPC classification number: G03G9/08755 , G03G9/0906 , G03G9/091 , G03G9/0918 , G03G15/2064 , G03G21/18
Abstract: A non-magnetic toner is provided. The non-magnetic toner comprises a polyester resin, a release agent, and a colorant. A storage elastic modulus at 100° C. (G′(100° C.)) of the toner is from 1.0×103 to 1.0×106 Pa, and a storage elastic modulus at 160° C. (G′(160° C.)) of the toner is from 1.0×102 to 1.0×104 Pa. A ratio of loss elastic modulus to storage elastic modulus at 100° C. (tan δ(100° C.)) of the toner is greater than that at 130° C. (tan δ(130° C.)), and the tan δ(100° C.) and the tan δ(130° C.) are each within the range of from 1 to 2.
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Patent Agency Ranking
公开(公告)号：US20180181015A1
公开(公告)日：2018-06-28
申请号：US15856641
申请日：2017-12-28
Applicant: Samsung Electronics Co., Ltd.
Inventor： Akinori TERADA , Masahide YAMADA , Rie SAKURAI
CPC classification number: G03G9/0906 , G03G9/08755 , G03G9/08764 , G03G9/08791 , G03G9/08797 , G03G9/0924 , G03G9/0926
Abstract: A toner for electrostatic use includes a binder resin including an amorphous polyester resin having a urethane bond and a crystalline polyester resin, a metal ion forming a chemical bond with the binder resin, at least one colorant forming a coordinate bond with the metal ion and being supported on the binder resin through the metal ion, and at least three elements selected from an iron element, a silicon element, a sulfur element, and a fluorine element while including at least one of an iron element, a silicon element, and a sulfur element, wherein an amount of the iron element is about 1000 ppm to about 10000 ppm as an element concentration, an amount of the silicon element is about 1000 ppm to about 5000 ppm as an element concentration, and an amount of the sulfur element is about 500 ppm to about 3000 ppm as an element concentration.
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公开(公告)号：US09829819B2
公开(公告)日：2017-11-28
申请号：US14488969
申请日：2014-09-17
Applicant: FUJI XEROX CO., LTD.
Inventor： Hiroko Kobayashi
CPC classification number: G03G9/092 , G03G9/0821 , G03G9/08795 , G03G9/08797 , G03G9/09 , G03G9/0906 , G03G9/091 , G03G9/0918 , G03G9/09708 , G03G21/18 , G03G2215/025 , G03G2215/0604
Abstract: A toner set for electrostatic image development includes a cyan toner, a magenta toner, and a yellow toner, wherein the Vicat softening temperatures of the toners are respectively in the range of from about 30° C. to about 60° C., and among the toners, the difference between the Vicat softening temperature of the toner having the highest Vicat softening temperature and the Vicat softening temperature of the toner having the lowest Vicat softening temperature is from about 1° C. to about 5° C.
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公开(公告)号：US09746816B2
公开(公告)日：2017-08-29
申请号：US13033338
申请日：2011-02-23
Applicant: Tadashi Mizushima , Akiteru Fujii , Takayuki Shoda
Inventor： Tadashi Mizushima , Akiteru Fujii , Takayuki Shoda
CPC classification number: G03G5/047 , G03G5/04 , G03G5/043 , G03G5/0525 , G03G5/0542 , G03G5/056 , G03G5/0567 , G03G5/0614 , G03G5/0618 , G03G5/0629 , G03G5/1473 , G03G9/0819 , G03G9/0827 , G03G9/08711 , G03G9/0904 , G03G9/0906 , G03G9/0926 , G03G9/09321 , G03G9/09364 , G03G9/09385 , G03G9/09392 , G03G21/0005 , G03G21/0011 , G03G2215/00957 , G03G2215/0604
Abstract: The invention is to provide an image forming apparatus and an electrophotographic cartridge, which are free from problems of cleaning failure, filming, soiling, residual images (ghosts), fogging, density reduction, noise and the like and which can provide high-definition images even when a toner having a small particle size and having a high degree of circularity is used and even when a photoreceptor having a small outer diameter is used. An image forming apparatus comprising: an electrophotographic photoreceptor containing a conductive support and a photosensitive layer on the conductive support, a charging unit for charging the electrophotographic photoreceptor, an imagewise exposing unit for imagewise exposing the charged electrophotographic photoreceptor to form an electrostatic latent image thereon, a developing unit for developing the electrostatic latent image with a toner, and a transferring unit for transferring the toner from the electrophotographic photoreceptor to a receiving unit, wherein the outer diameter of the electrophotographic photoreceptor is 20 mm or less, the photosensitive layer contains a polyarylate resin, and the toner satisfies the specific requirements (1) and (2).
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公开(公告)号：US20170205719A1
公开(公告)日：2017-07-20
申请号：US15468145
申请日：2017-03-24
Applicant: MITSUBUSHI CHEMICAL CORPORATION
Inventor： Tadashi MIZUSHIMA , Akiteru Fujii , Takayuki Shoda
CPC classification number: G03G5/047 , G03G5/04 , G03G5/043 , G03G5/0525 , G03G5/0542 , G03G5/056 , G03G5/0567 , G03G5/0614 , G03G5/0618 , G03G5/0629 , G03G5/1473 , G03G9/0819 , G03G9/0827 , G03G9/08711 , G03G9/0904 , G03G9/0906 , G03G9/0926 , G03G9/09321 , G03G9/09364 , G03G9/09385 , G03G9/09392 , G03G21/0005 , G03G21/0011 , G03G2215/00957 , G03G2215/0604
Abstract: The invention is to provide an image forming apparatus and an electrophotographic cartridge, which are free from problems of cleaning failure, filming, soiling, residual images (ghosts), fogging, density reduction, noise and the like and which can provide high-definition images even when a toner having a small particle size and having a high degree of circularity is used and even when a photoreceptor having a small outer diameter is used. An image forming apparatus comprising: an electrophotographic photoreceptor containing a conductive support and a photosensitive layer on the conductive support, a charging unit for charging the electrophotographic photoreceptor, an imagewise exposing unit for imagewise exposing the charged electrophotographic photoreceptor to form an electrostatic latent image thereon, a developing unit for developing the electrostatic latent image with a toner, and a transferring unit for transferring the toner from the electrophotographic photoreceptor to a receiving unit, wherein the outer diameter of the electrophotographic photoreceptor is 20 mm or less, the photosensitive layer contains a polyarylate resin, and the toner satisfies the specific requirements (1) and (2).
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公开(公告)号：US20170097582A1
公开(公告)日：2017-04-06
申请号：US14875822
申请日：2015-10-06
Applicant: KABUSHIKI KAISHA TOSHIBA , TOSHIBA TEC KABUSHIKI KAISHA
Inventor： Shiho Moriya
IPC: G03G9/00
CPC classification number: G03G9/0906 , G03G9/081 , G03G9/08755 , G03G9/08782 , G03G9/08797
Abstract: An object to be achieved by embodiments is to provide a toner having excellent color reproducibility, light resistance, low-temperature fixability, storage stability, and long life property, a method for producing the same, a toner cartridge, and an image forming apparatus. A toner according to an embodiment includes toner particles containing a coloring agent, a binder resin, and a specific ester wax. The coloring agent contains C.I. Pigment Yellow 185.
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