Patents Examined by Hoa V. Le
  • Patent number: 10274854
    Abstract: A toner for developing an electrostatic charge image, the toner including: elemental iron, wherein a content of the elemental iron is in a range of 1.0×103 to 1.0×104 ppm, based on a total weight of the toner; elemental silicon, wherein a content of the elemental silicon is in a range of 1.0×103 to 5.0×103 ppm, based on a total weight of the toner; elemental sulfur, wherein a content of the elemental sulfur is in a range of 500 to 3,000 ppm, based on a total weight of the toner; optionally elemental fluorine, wherein a content of the elemental fluorine, if present, is in a range of 1.0×103 to 1.0×104 ppm; and a binder resin.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: April 30, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Masahide Yamada, Akinori Terada, Keiichi Ishikawa, Kenichi Miyamoto
  • Patent number: 10254673
    Abstract: A toner contains a plurality of toner particles each including a core and a shell layer disposed over a surface of the core. The core contains a binder resin. The shell layer is substantially formed from a resin having at least one repeating unit including an alcoholic hydroxyl group (specific examples include a repeating unit derived from 2-hydroxyethyl acrylate, 2-hydroxy propyl acrylate, 2-hydroxyethyl methacrylate, and 2-hydroxy propyl methacrylate). A ratio of the repeating unit including the alcoholic hydroxyl group relative to all repeating units in the resin substantially forming the shell layer is at least 0.1% by mass and no greater than 20% by mass.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: April 9, 2019
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Masami Tsujihiro
  • Patent number: 10241429
    Abstract: There is provided an electrophotographic photosensitive member, a process cartridge and an electrophotographic apparatus that are excellent in charging properties and can suppress residual potential in the case where a strontium titanate particle is used as a metal oxide particle in an undercoat layer of the electrophotographic photosensitive member. An electrophotographic photosensitive member in which an undercoat layer contains a strontium titanate particle having a maximum peak at a position of 2?=32.20±0.20 (? represents a Bragg angle) in a CuK? characteristic X-ray diffraction pattern, the maximum peak having a half-value width of 0.10 deg or more and 0.50 deg or less, and a process cartridge and an electrophotographic apparatus each provided with the electrophotographic photosensitive member.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: March 26, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsuyoshi Shimada, Kumiko Takizawa, Eileen Takeuchi, Ikuyo Kuroiwa, Wataru Kitamura, Kan Tanabe, Haruhiko Mitsuda
  • Patent number: 10241430
    Abstract: 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.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: March 26, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Sho Kimura, Shuhei Moribe, Takashi Matsui, Hiroyuki Tomono, Shotaro Nomura, Atsuhiko Ohmori, Takuya Mizuguchi, Tatsuya Saeki, Katsuhisa Yamazaki
  • Patent number: 10234782
    Abstract: Carrier particles each include a carrier core having recesses in a surface thereof, and first and second coat layers covering the surface of the carrier core. The first and second coat layers are in a multi-layer structure in which the first coat layer and the second coat layer cover the surface of the carrier core in the stated order. The first coat layer entirely covers the surface of the carrier core. The second coat layer selectively covers regions of a surface of the first coat layer that correspond to the recesses in the surface of the carrier core. The first coat layer contains a first resin. The second coat layer contains a second resin. The second coat layer has a lower electric resistance than the first coat layer.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: March 19, 2019
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Yusuke Kurano
  • Patent number: 10222714
    Abstract: An electrophotographic photoreceptor includes: a cylindrical base body having a two-step stepped chamfer between a base body outer peripheral face and a base body end face; and a surface layer located on the base body outer peripheral face. The cylindrical base body has an outer chamfered face and an inner chamfered face lying closer to an end face than the outer chamfered face. A length L2 of the inner chamfered face is larger than a length L1 of the outer chamfered face, namely L1<L2, as viewed in lateral section taken along a rotation axis of the cylindrical base body.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: March 5, 2019
    Assignee: KYOCERA CORPORATION
    Inventor: Tomomi Fukaya
  • Patent number: 10203623
    Abstract: It is an object to suppress yellowing of a binder resin while obtaining an image with a high degree of whiteness and to suppress occurrence of image defects when printing at a high temperature and a high humidity. A toner for developing an electrostatic image, the toner including: white toner base particles containing a binder resin and titanium oxide having an average particle size of from 130 to 600 nm; and an external additive including strontium titanate.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: February 12, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Yasuko Uchino, Hitomi Motani, Tomomi Oshiba
  • Patent number: 10197929
    Abstract: The photoconductor includes a conductive support, a photosensitive layer, and a protective layer. The protective layer is a polymer of a radical-polymerizable composition containing a perfluoropolyether compound including a radical-polymerizable functional group, a radical-polymerizable monomer including a radical-polymerizable functional group, and an inorganic fine particle including a radical-polymerizable functional group. The radical-polymerizable functional group of the perfluoropolyether compound is different from the radical-polymerizable functional group of the radical-polymerizable monomer and identical to the radical-polymerizable functional group of the inorganic fine particle.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: February 5, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Masanori Yumita, Toyoko Shibata, Tomoko Sakimura
  • Patent number: 10194684
    Abstract: The present disclosure relates, according to some embodiments, to apparatuses and methods for blanching (e.g., continuously) a microcrop (e.g., aquatic species, Lemna) and a high-concentration protein product derived therefrom. The present disclosure relates, according to some embodiments, to an apparatus for blanching a microcrop (e.g., Lemna, Wolffia) where the apparatus may include: a conveyance mechanism operable to transport a biomass to a blanching tray; an applicator operable to dispense a blanching solution onto at least one surface of the biomass within the blanching tray; the blanching tray oriented to receive a volume of the blanching solution from the applicator; and a vibratory mechanism capable of vibrating the blanching tray to generate a net motion of the received volume of the blanching solution within blanching tray such that a wave of blanching solution is formed.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: February 5, 2019
    Assignee: Parabel Ltd.
    Inventors: Harvey Weaver, Girish Kasat, Brian Lovas
  • Patent number: 10182591
    Abstract: The present invention, in an embodiment, is a product having an outer shell and an inner filling. In the embodiment, each of the outer shell and inner filling include a legume and an additive such as vitamins and minerals. In the embodiment, the outer shell and the inner filling are substantially free of grain-based flour, the product is a ready-to-eat food, the outer shell is crispy, and the inner filling is creamy.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: January 22, 2019
    Assignee: Mars, Incorporated
    Inventors: Cesar Vega Morales, Ferdynand Szlachetko
  • Patent number: 10179858
    Abstract: The present invention provides a compound having a high chroma and also excellent dispersibility. The compound described above is represented by the following formula (1).
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: January 15, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taichi Shintou, Koromo Shirota, Yuko Katsumoto
  • Patent number: 10168630
    Abstract: A toner for developing electrostatic images, including toner particles containing an external additive on surfaces of toner matrix particles. The external additive contains at least a lanthanum-containing titanate compound.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: January 1, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Satoshi Uchino, Shinya Obara, Futoshi Kadonome
  • Patent number: 10162295
    Abstract: A method for forming a scratchable image includes pressure-fixing a masking pressure toner onto a base image on a substrate to form a masking layer.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: December 25, 2018
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yasuo Matsumura, Satoshi Hiraoka, Yasuhiro Uehara
  • Patent number: 10143220
    Abstract: A pet food composition comprising a meat based material comprised of meat or meat by-products, and an aqueous phase comprised of an acetyl-substituted waxy cassava inhibited starch in an amount effective to thicken said aqueous phase is provided. Also provided is a gravy for a pet food comprising an acetyl-substituted waxy cassava inhibited starch in an amount effective to thicken said composition and having a freeze/thaw stability greater than about 5 cycles as well as a method of feeding a canine or feline pet. Also provided is a gravy for a pet food comprised of a hydroxypropyl-substituted waxy cassava inhibited starch having less than about 2.5%, by weight of hydroxylpropyl substituents, in an amount effective to thicken said aqueous phase.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: December 4, 2018
    Assignee: Corn Products Development, Inc.
    Inventors: Douglas J. Hanchett, Christina Odorisio, Hanjoo Chae
  • Patent number: 10139741
    Abstract: The present invention is to provide a charge transport substance having high resistance to stress within electrophotographic processes, an electrophotographic photoreceptor which has excellent high-speed responsiveness, shows a sufficient residual potential, and has high resistance to stress within electrophotographic processes, an electrophotographic cartridge, and an image-forming apparatus. The invention provides a charge transport substance having a specific structure. The invention further provides an electrophotographic photoreceptor including a photosensitive layer which contains the charge transport substance having a specific structure, an electrophotographic cartridge, and an image-forming apparatus, equipped with this electrophotographic photoreceptor.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: November 27, 2018
    Assignee: Mitsubishi Chemical Corporation
    Inventor: Mitsuo Wada
  • Patent number: 10136753
    Abstract: A machine (1) and process for preparing aromatic beverages by means of extraction, such as espresso coffee and similar, and adapted to supply a support (21) of single portions, comprising a plurality of single dose portions (22), to at least one extraction device (3) by means of an actuation device (6) disposed upstream of the extraction device (3) and comprising an actuation element (61) provided so that it can move the support (21) of single portions by means of rotation. In particular, the actuation device (6) further comprises a back-pressure element (62) that exerts a back-pressure upon the support (21) of single portions in the direction of the perimeter actuation surface (63), thereby providing greater operation reliability in the supply of the single dose portions (22) to an extraction device (3).
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: November 27, 2018
    Assignee: NOVADELTA-COMÉRCIO E INDÚSTRIA DE CAFÉS S.A
    Inventor: Rui Miguel Nabeiro
  • Patent number: 10126670
    Abstract: Toner particles of a toner each include a toner mother particle and an external additive. The toner mother particle includes a toner core containing a binder resin and a shell layer covering a surface of the toner core. The external additive contains a plurality of first external additive particles each containing a resin. The first external additive particles are present on a surface of the shell layer. The toner core and each of the first external additive particles are bonded together through a covalent bond in the shell layer. The covalent bond includes a first amide bond and a second amide bond. The shell layer contains a vinyl resin. The vinyl resin includes constitutional units (1-1), (1-2), and (1-3). The first amide bond is an amide bond included in the constitutional unit (1-1). The second amide bond is an amide bond included in the constitutional unit (1-2).
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: November 13, 2018
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Erika Tanaka
  • Patent number: 10126668
    Abstract: A toner for electrostatic charge image development contains a binder resin and a releasing agent. The binder resin contains an amorphous polyester resin as a main component and a vinyl resin, the vinyl resin contains a constitutional unit derived from a specific monomer. The releasing agent has a melting point of from 65 to 90° C. and contains an ester wax.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: November 13, 2018
    Assignee: Konica Minolta, Inc.
    Inventors: Kouji Sugama, Shiro Hirano, Noboru Ueda, Kaori Matsushima
  • Patent number: 10120297
    Abstract: A liquid developer containing toner particles containing a resin binder and a pigment, wherein the toner particles are dispersed in an insulating liquid in the presence of a dispersant, wherein the resin binder contains a polyester resin P having a glass transition temperature of 35° C.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: November 6, 2018
    Assignee: Kao Corporation
    Inventors: Tatsuya Yamada, Nobumichi Kamiyoshi
  • Patent number: 10108099
    Abstract: There is provided a toner including toner base particles and an external additive in which the external additive is prevented from being buried in the base particles. The toner can maintain a high transfer efficiency over an extended period of use. The toner includes: (1) toner base particles containing a cycloolefin copolymer and a polyethylene; or (2) toner base particles whose surfaces contain a resin having an elastic deformation rate of 70% or more and a melting temperature of 125.0° C. or less.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: October 23, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Makoto Fukatsu, Manami Haraguchi, Atsushi Nakamoto, Masayoshi Kato, Kazuhisa Kemmochi, Takahiro Kawamoto, Takeshi Yamamoto