Patents by Inventor Takayoshi Aoki

Takayoshi Aoki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11945248
    Abstract: A recording method includes a colored ink adhering step of adhering a colored ink composition to an intermediate transfer medium by an ink jet method to form a recording region A, a clear ink adhering step of adhering a clear ink composition to at least a portion of a recording medium to form a region B, and a transfer step of transferring an image formed in the recording region A to the region B of the recording medium by heating in a state where the recording region A of the intermediate transfer medium faces the region B of the recording medium. The colored ink composition contains a sublimation dye, a water-soluble organic solvent, and water, and the intermediate transfer medium has a peeling layer containing a resin having a glass transition point of 100° C. or more and 200° C. or less.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: April 2, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takayoshi Kagata, Katsuko Aoki
  • Patent number: 9724963
    Abstract: A hub unit includes: a bearing section including an outer ring, an inner ring disposed coaxially with and inside the outer ring, rolling elements disposed in a bearing inner space, and a sealing member sealing the bearing inner space at an end on a vehicle inner side; a hub ring including a body portion, and a wheel mounting flange portion on which a wheel is to be mounted; and a covering member protecting the bearing section from a foreign substance. The covering member is fixed to rotate integrally with the hub ring and the inner ring, and covers an end on the vehicle inner side of the bearing section. A part of the covering member opposing to an end surface on the vehicle inner side of the outer ring is not parallel to the end surface.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: August 8, 2017
    Assignee: JTEKT CORPORATION
    Inventors: Takayoshi Aoki, Satoshi Kitagawa
  • Publication number: 20160288567
    Abstract: A hub unit includes: a bearing section including an outer ring, an inner ring disposed coaxially with and inside the outer ring, rolling elements disposed in a bearing inner space, and a sealing member sealing the bearing inner space at an end on a vehicle inner side; a hub ring including a body portion, and a wheel mounting flange portion on which a wheel is to be mounted; and a covering member protecting the bearing section from a foreign substance. The covering member is fixed to rotate integrally with the hub ring and the inner ring, and covers an end on the vehicle inner side of the bearing section. A part of the covering member opposing to an end surface on the vehicle inner side of the outer ring is not parallel to the end surface.
    Type: Application
    Filed: December 8, 2014
    Publication date: October 6, 2016
    Applicant: JTEKT CORPORATION
    Inventors: Takayoshi AOKI, Satoshi KITAGAWA
  • Patent number: 8518424
    Abstract: Provided is a resin powder for a dermatologic composition composed of resin particles having an average volume particle size of 2.0 to 20.0 ?m, a shape factor SF1 of 110 to 140 and an average volume particle size distribution GSDv of 1.3 or less. Also disclosed are a skin cleansing composition and a cosmetic composition containing the resin powder, and a preparation process of the resin powder.
    Type: Grant
    Filed: September 5, 2007
    Date of Patent: August 27, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yuki Sasaki, Yasuo Matsumura, Takayoshi Aoki, Etsuo Tominaga
  • Patent number: 7811736
    Abstract: An image-fixing method for heat-fixing a toner image, by feeding an transfer medium carrying the toner image between a heating unit heated by an induction-heating process and a pressurizing unit placed to press against the heating unit, wherein the electric resistivity at least of the outermost layer of the heating unit is 10?7 ?m or more and less than 10?2 ?m, and the toner image is formed by using a toner containing an amorphous resin having an ionic concentration in the range of 10?5 to 10?3 mole/g as the binder resin.
    Type: Grant
    Filed: March 8, 2005
    Date of Patent: October 12, 2010
    Assignee: Fuji Xerox Co., Ltd.
    Inventor: Takayoshi Aoki
  • Publication number: 20070298062
    Abstract: Provided is a resin powder for a dermatologic composition composed of resin particles having an average volume particle size of 2.0 to 20.0 ?m, a shape factor SF1 of 110 to 140 and an average volume particle size distribution GSDv of 1.3 or less. Also disclosed are a skin cleansing composition and a cosmetic composition containing the resin powder, and a preparation process of the resin powder.
    Type: Application
    Filed: September 5, 2007
    Publication date: December 27, 2007
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yuki Sasaki, Yasuo Matsumura, Takayoshi Aoki, Etsuo Tominaga
  • Patent number: 7250453
    Abstract: Anti-bacterial composite particles which comprise a polymer base material comprising a thermal melting polymer, such as a polyolefine, exhibiting good dispersibility in a basic material resin and having a lower molecular weight or a lower softening point than that of the basic material resin, and inorganic fine particles comprising a metal having anti-bacterial activity carried thereon. An antibacterial resin composition can be prepared by melting and kneading a synthetic resin composition as the basic material resin together with the anti-bacterial composite particles and forming by known molding methods such as extrusion molding and injection molding, and can be used for producing various synthetic resin moldings which have an inorganic anti-bacterial agent uniformly dispersed in a synthetic resin composition and thus exhibits good anti-bacterial effect.
    Type: Grant
    Filed: October 10, 2002
    Date of Patent: July 31, 2007
    Assignees: Kabushiki Kaisha Sangi, Fuji Xerox Co., Ltd.
    Inventors: Shuji Sakuma, Tomoki Saito, Yuki Sasaki, Yasuo Matsumura, Etsuo Tominaga, Takayoshi Aoki
  • Publication number: 20060051694
    Abstract: An image-fixing method for heat-fixing a toner image, by feeding an transfer medium carrying the toner image between a heating unit heated by an induction-heating process and a pressurizing unit placed to press against the heating unit, wherein the electric resistivity at least of the outermost layer of the heating unit is 10?7 ?m or more and less than 10?2 ?m, and the toner image is formed by using a toner containing an amorphous resin having an ionic concentration in the range of 10?5 to 10?3 mole/g as the binder resin.
    Type: Application
    Filed: March 8, 2005
    Publication date: March 9, 2006
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Takayoshi Aoki
  • Publication number: 20050065231
    Abstract: The present invention relates to an inorganic antibacterial agent comprising a thermoplastic resin and inorganic antibacterial particles dispersed in the resin, and a shape factor SF2 defined by the following formula: SF2=100?L2/(4A) (Wherein L represents a perimeter of a plane image of a particle which is obtained from observation of a slice for inorganic antibacterial agent using a transmission electron microscope, and A represents the area of the plane image.) is not more than 200, and the existing ratio defined by the following formula: Existing ratio (%)=100×(number of inorganic antibacterial particles having SF2 of not more than 200)/(number of particles used for calculation of SF2) is not less than 80%. According to the present invention, when the inorganic antibacterial agent is dispersed in the antibacterial molded resin product, the dispersion of inorganic antibacterial agent is improved since inorganic antibacterial particles are dispersed in the thermoplastic resin.
    Type: Application
    Filed: October 15, 2002
    Publication date: March 24, 2005
    Inventors: Yuki Sasaki, Yasuo Matsumura, Takayoshi Aoki, Etsuo Tominaga, Shuji Sakuma, Tomoki Saito
  • Publication number: 20040259973
    Abstract: Anti-bacterial composite particles which comprise a polymer base material comprising a thermal melting polymer, such as a polyolefine, exhibiting good dispersibility in a basic material resin and having a lower molecular weight or a lower softening point than that of the basic material resin, and inorganic fine particles comprising a metal having anti-bacterial activity carried thereon. An antibacterial resin composition can be prepared by melting and kneading a synthetic resin composition as the basic material resin together with the anti-bacterial composite particles and forming by known molding methods such as extrusion molding and injection molding, and can be used for producing various synthetic resin moldings which have an inorganic anti-bacterial agent uniformly dispersed in a synthetic resin composition and thus exhibits good anti-bacterial effect.
    Type: Application
    Filed: May 6, 2004
    Publication date: December 23, 2004
    Inventors: Shuji Sakuma, Tomoki Saito, Yuki Sasaki, Yasuo Matsumura, Etsuo Tominaga, Takayoshi Aoki
  • Publication number: 20030044370
    Abstract: Provided is a resin powder for a dermatologic composition composed of resin particles having an average volume particle size of 2.0 to 20.0 &mgr;m, a shape factor SF1 of 110 to 140 and an average volume particle size distribution GSDv of 1.3 or less. Also disclosed are a skin cleansing composition and a cosmetic composition containing the resin powder, and a preparation process of the resin powder.
    Type: Application
    Filed: December 17, 2001
    Publication date: March 6, 2003
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yuki Sasaki, Yasuo Matsumura, Takayoshi Aoki, Etsuo Tominaga
  • Patent number: 6268099
    Abstract: Disclosed herein are a toner comprising a binder resin, a coloring agent, and, as a lubricant, a polyethylene wax having a penetration of 5 to 12 dmm and a melt viscosity of less than or equal to 1.5 at 130° C., a process for the preparation thereof, a developer using the toner, and a method of forming images using the toner. According to the present invention, incomplete images in the transfer process can be prevented; excellent flowability is provided and the blocking phenomenon can be prevented; the transfer process can be carried out with less electric consumption. The offset resistance is also good, and the releasability is effectively exhibited at lower temperatures.
    Type: Grant
    Filed: May 22, 1997
    Date of Patent: July 31, 2001
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Atsuhiko Eguchi, Chiaki Suzuki, Takayoshi Aoki
  • Patent number: 5928825
    Abstract: A toner for developing electrostatic latent images containing a binder resin, a colorant, and a lubricant, wherein the lubricant comprises a modified polyethylene wax which is obtained by homopolymerizing ethylene or copolymerizing ethylene and an .alpha.-olefin having 3 to 10 carbon atoms in the presence of a metallocene catalyst and modifying the resulting homo- or copolymer by grafting thereto a styrene monomer and/or an unsaturated carboxylic acid monomer, the lubricant having a hexane extraction of not more than 65% by weight. The toner exhibits release properties at a lower temperature and thereby has satisfactory anti-offset properties without impairing powder fluidity and anti-blocking properties. It provides a toner image resistant against scratches by a peeling claw of a fixing roll part and against rub-of.
    Type: Grant
    Filed: June 21, 1996
    Date of Patent: July 27, 1999
    Assignees: Fuji Xerox Co., Ltd., Mitsui Chemicals, Inc.
    Inventors: Atsuhiko Eguchi, Hideki Sakai, Takeo Kigami, Chiaki Suzuki, Takayoshi Aoki
  • Patent number: 5849451
    Abstract: An electrophotographic dry toner comprising toner particles having externally added thereto fine particles of an inorganic compound having been surface treated with an amphoteric surface active agent. The toner is excellent in fluidity, anti-caking properties, charging properties, and environmental stability and provides excellent images free from defects such as black spots.
    Type: Grant
    Filed: July 17, 1997
    Date of Patent: December 15, 1998
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yuka Ishihara, Chiaki Suzuki, Tetsu Torigoe, Atuhiko Eguchi, Takayoshi Aoki
  • Patent number: 5665507
    Abstract: A magnetic particle brush developing carrier used for electrostatic latent image developing is disclosed, comprising a magnetic particle having a surface coating comprising two kinds of fluoro-type resins, with one of the resins having a higher critical surface tension than the other. The carrier maintains its triboelectric properties even after extended use, it reaches charge saturation after a short period of triboelectrification, and it has excellent charge stability against environmental change.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: September 9, 1997
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masahiro Takagi, Masahito Shinoki, Takayoshi Aoki
  • Patent number: 5650254
    Abstract: A image formation process comprising the steps of forming an electrostatic latent image on an electrostatic latent image carrier, developing the electrostatic latent image with a developer to provide a toner image, transferring the toner image to a transfer material, and heat-fixing the toner image on the transfer material, wherein the developer comprises a toner for developing electrostatic latent images comprising a binder, a colorant, and 1 to 30% by weight of a lubricant which comprises a modified polyethylene wax which is obtained by homopolymerizing ethylene or copolymerizing ethylene and an .alpha.
    Type: Grant
    Filed: June 21, 1996
    Date of Patent: July 22, 1997
    Assignee: Fuji Xerox Co., Ltd,
    Inventors: Atsuhiko Eguchi, Haruhide Ishida, Yoshifumi Iida, Kaori Ohishi, Takayoshi Aoki, Toshiyuki Yano
  • Patent number: 5482806
    Abstract: A dry developer composition for an electrostatic latent image is disclosed. The developer composition comprises a magnetic powder-dispersed type carrier comprising a binder resin having dispersed therein a magnetic powder and a toner having adhered thereto inorganic oxide fine particles, wherein at least part of said carrier has previously adhered to the surface thereof inorganic oxide fine particles. The developer composition does not cause background stains over long-term copying even in the relatively initial stage of running.
    Type: Grant
    Filed: September 13, 1991
    Date of Patent: January 9, 1996
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Chiaki Suzuki, Tetsu Torigoe, Yoshihiko Iida, Takaichi Kimura, Takayoshi Aoki
  • Patent number: 5463456
    Abstract: A photosensitive drum unit for an electrophotographic apparatus, of the type of contacting a cleaning blade to the photosensitive drum is disclosed, in which a cleaning assistant composed of a lubricant capable of lowering the frictionally charged potential of the photosensitive drum caused by the friction of the photosensitive drum and the cleaning blade to not higher than 100 V is attached to the surface of the photosensitive drum, the cleaning blade or both.
    Type: Grant
    Filed: June 3, 1994
    Date of Patent: October 31, 1995
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yuichi Yashiki, Masahiko Hodumi, Yuzuru Ohki, Takashi Ito, Fumitaka Nakjajima, Masakazu Mori, Takayoshi Aoki, Harumitsu Mizuishi, Yuusaku Shibuya
  • Patent number: 5422214
    Abstract: A developer for developing an electrostatic latent image, said developer comprising (i) a toner containing at least a binder resin and a colorant, and (ii) substantially spherical silica fine particles having a bulk density of not less than 300 g/l; a process for producing the developer; and a process for forming a toner image using the developer. The developer exhibits satisfactory fluidity and satisfactory cleanability while retaining environmental stability and durability. The developer causes no toner filming on the surface of a photoreceptor, the surface of a carrier, or the surface of a charge-imparting member.
    Type: Grant
    Filed: February 8, 1993
    Date of Patent: June 6, 1995
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Reiko Akiyama, Chiaki Suzuki, Atuhiko Eguchi, Takayoshi Aoki
  • Patent number: 5378572
    Abstract: An electrophotographic dry toner comprising a binder resin and a colorant, having externally added thereto an inorganic compound, preferably spherical silica particles, having been surface treated with at least one treating agent selected from the group consisting of a treating agent selected from a polyethylene, a fatty acid metal salt, and a solid alcohol containing from 20 to 60 carbon atoms. The toner is prepared by treating the inorganic compound with a dispersion or a solution of the treating agent in a solvent and adding the thus surface-treated inorganic compound to a toner. The toner exhibits satisfactory fluidity, satisfactory cleanability, excellent environmental stability, and excellent durability and causes no toner filming phenomenon on a photoreceptor, a carrier used in a two-component developer system, or a charging part used in a one-component developer system.
    Type: Grant
    Filed: October 13, 1992
    Date of Patent: January 3, 1995
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Reiko Akiyama, Chiaki Suzuki, Atuhiko Eguchi, Takayoshi Aoki