Patents by Inventor Hideaki Nagasaka

Hideaki Nagasaka 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: 10252435
    Abstract: A cutting apparatus includes a storing unit configured to store data of a pattern having plural parts of different colors or designs; a display unit; and a control device. The control device is configured to: acquire data of a color or a design of at least one workpiece; change a color or a design of at least one part of a pattern in the data stored in the storing unit to the color or the design acquired for the at least one workpiece; and display the pattern having the at least one part in which the color or the design has been changed on the display unit.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: April 9, 2019
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yoshinori Nakamura, Manami Ota, Kentaro Sugiyama, Hideaki Nagasaka
  • Patent number: 9423706
    Abstract: An electrophotographic photosensitive member includes a support and a photosensitive layer formed on the support. A surface layer of the electrophotographic photosensitive member contains a polymerized product of a composition that contains a charge transporting compound having a particular group (polymerizable functional group).
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: August 23, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaki Nonaka, Hideaki Nagasaka, Masato Tanaka
  • Patent number: 9411252
    Abstract: An electrophotographic photosensitive member includes an undercoat layer containing a silane coupling agent having a divalent group represented by —NH— and an urethane resin. The modulus of elastic deformation (we/wt) of a surface of the undercoat layer satisfies formula (X), where the modulus of elastic deformation is measured by a universal hardness test.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: August 9, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Mai Murakami, Kenichi Kaku, Wataru Kitamura, Yuka Ishiduka, Ryoichi Tokimitsu, Hideaki Nagasaka, Takeshi Murakami
  • Patent number: 9344594
    Abstract: An image reader includes a first image reading unit that reads a first image on a first side of a sheet to output a first analog signal corresponding to the first image, a second image reading unit that reads a second image on a second side of the sheet, converts a second analog signal corresponding to the second image into a second digital signal, and outputs the second digital signal, a processor that processes the first analog signal and the second digital signal and includes a first converter converting the first analog signal into a first digital signal, and a timing signal output unit outputting, to the second image reading unit, a timing signal corresponding to a conversion time of the conversion by the first converter. Based on the timing signal, the second image reading unit outputs the second digital signal at a time outside the conversion time.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: May 17, 2016
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Hideaki Nagasaka
  • Patent number: 9335646
    Abstract: Provided are an electrophotographic photosensitive member in which a variation in the light-area potential is suppressed even when the electrophotographic photosensitive member is repeatedly used for a long time in a high-temperature, high-humidity environment, a method of producing the electrophotographic photosensitive member, and a process cartridge and an electrophotographic apparatus that include the electrophotographic photosensitive member. The electrophotographic photosensitive member includes a support, an undercoat layer, and a photosensitive layer, wherein the undercoat layer contains a urethane resin and zinc oxide particles whose surfaces have been treated with a particular amount of an aminosilane compound.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: May 10, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenichi Kaku, Wataru Kitamura, Yuka Ishiduka, Mai Murakami, Ryoichi Tokimitsu, Hideaki Nagasaka, Takeshi Murakami
  • Patent number: 9316932
    Abstract: An electrophotographic photosensitive member includes a support and a photosensitive layer formed on the support. A surface layer of the electrophotographic photosensitive member contains a polymerized product of a composition that contains a charge transporting compound having a particular group (chain polymerizable functional group).
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: April 19, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaki Nonaka, Hideaki Nagasaka, Masato Tanaka
  • Publication number: 20160092092
    Abstract: A cutting apparatus includes a storing unit configured to store data of a pattern having plural parts of different colors or designs; a display unit; and a control device. The control device is configured to: acquire data of a color or a design of at least one workpiece; change a color or a design of at least one part of a pattern in the data stored in the storing unit to the color or the design acquired for the at least one workpiece; and display the pattern having the at least one part in which the color or the design has been changed on the display unit.
    Type: Application
    Filed: September 29, 2015
    Publication date: March 31, 2016
    Inventors: Yoshinori Nakamura, Manami Ota, Kentaro Sugimura, Hideaki Nagasaka
  • Patent number: 9091951
    Abstract: In an electrophotographic photosensitive member having a surface layer containing a polymer obtainable by polymerization of a compound having a chain-polymerizable functional group, the compound having a chain-polymerizable functional group includes a compound represented by formula (1).
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: July 28, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaki Nonaka, Hideaki Nagasaka, Masato Tanaka
  • Publication number: 20150004534
    Abstract: Provided are an electrophotographic photosensitive member in which a variation in the light-area potential is suppressed even when the electrophotographic photosensitive member is repeatedly used for a long time in a high-temperature, high-humidity environment, a method of producing the electrophotographic photosensitive member, and a process cartridge and an electrophotographic apparatus that include the electrophotographic photosensitive member. The electrophotographic photosensitive member includes a support, an undercoat layer, and a photosensitive layer, wherein the undercoat layer contains a urethane resin and zinc oxide particles whose surfaces have been treated with a particular amount of an aminosilane compound.
    Type: Application
    Filed: November 28, 2012
    Publication date: January 1, 2015
    Inventors: Kenichi Kaku, Wataru Kitamura, Yuka Ishiduka, Mai Murakami, Ryoichi Tokimitsu, Hideaki Nagasaka, Takeshi Murakami
  • Publication number: 20140342276
    Abstract: An electrophotographic photosensitive member includes an undercoat layer containing a silane coupling agent having a divalent group represented by —NH— and an urethane resin. The modulus of elastic deformation (we/wt) of a surface of the undercoat layer satisfies formula (X), where the modulus of elastic deformation is measured by a universal hardness test.
    Type: Application
    Filed: November 28, 2012
    Publication date: November 20, 2014
    Applicant: Canon Kabushiki Kaisha
    Inventors: Mai Murakami, Kenichi Kaku, Wataru Kitamura, Yuka Ishiduka, Ryoichi Tokimitsu, Hideaki Nagasaka, Takeshi Murakami
  • Patent number: 8859172
    Abstract: An electrophotographic photosensitive member has a surface layer that contains a polymer produced by the polymerization of a charge transporting substance having two or more methacryloyloxy groups per molecule. The surface layer contains a quinone derivative at a concentration of 5 ppm or more and 1500 ppm or less of the total mass of the polymer. The quinone derivative is a compound represented by the following formula (1) or a compound represented by the following formula (2) or both.
    Type: Grant
    Filed: May 22, 2012
    Date of Patent: October 14, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hideaki Nagasaka, Masaki Nonaka, Masato Tanaka
  • Patent number: 8837013
    Abstract: An image reader is provided, which includes a first image reading unit configured to read an image on a first side of a first document sheet being conveyed on a feeding path, and output an analog signal corresponding to the read image of the first side, a second image reading unit configured to read an image on a second side opposite to the first side of the first document sheet being conveyed on the feeding path, and output a digital signal corresponding to the read image of the second side in a differential transmission method, and a control board configured to process the analog signal output from the first reading unit and the digital signal output from the second image reading unit.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: September 16, 2014
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Hideaki Nagasaka
  • Patent number: 8795936
    Abstract: An undercoat layer of an electrophotographic photosensitive member contains a polymer having a specific repeating structural unit in order to provide an electrophotographic photosensitive member that suppresses positive ghost, and a process cartridge and an electrophotographic apparatus having the electrophotographic photosensitive member.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: August 5, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kunihiko Sekido, Michiyo Sekiya, Akihiro Maruyama, Shinji Takagi, Hideaki Nagasaka
  • Patent number: 8760732
    Abstract: An image reader is provided, which includes a first light emitting unit emitting light toward a first side of a document sheet in a predetermined reading area, a second light emitting unit emitting light toward a second side of the document sheet in the predetermined reading area, a first light receiving unit receiving light emitted by the first light emitting unit and reflected by the document sheet and light emitted by the second light emitting unit and transmitted through the document sheet, and a controller that controls the first light emitting unit to emit light of a first color, controls the second light emitting unit to emit light of a second color, the first and second colors being mutually complementary colors, and controls the first light receiving unit to output read image data of the document sheet based on a light receiving result of the first light receiving unit.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: June 24, 2014
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Hideaki Nagasaka
  • Publication number: 20140141364
    Abstract: An electrophotographic photosensitive member includes a support and a photosensitive layer formed on the support. A surface layer of the electrophotographic photosensitive member contains a polymerized product of a composition that contains a charge transporting compound having a particular group (polymerizable functional group).
    Type: Application
    Filed: November 18, 2013
    Publication date: May 22, 2014
    Inventors: Masaki Nonaka, Hideaki Nagasaka, Masato Tanaka
  • Publication number: 20140141363
    Abstract: An electrophotographic photosensitive member includes a support and a photosensitive layer formed on the support. A surface layer of the electrophotographic photosensitive member contains a polymerized product of a composition that contains a charge transporting compound having a particular group (chain polymerizable functional group).
    Type: Application
    Filed: November 18, 2013
    Publication date: May 22, 2014
    Inventors: Masaki Nonaka, Hideaki Nagasaka, Masato Tanaka
  • Publication number: 20140049803
    Abstract: An image reader is provided, which includes a first image reading unit configured to read an image on a first side of a first document sheet being conveyed on a feeding path, and output an analog signal corresponding to the read image of the first side, a second image reading unit configured to read an image on a second side opposite to the first side of the first document sheet being conveyed on the feeding path, and output a digital signal corresponding to the read image of the second side in a differential transmission method, and a control board configured to process the analog signal output from the first reading unit and the digital signal output from the second image reading unit.
    Type: Application
    Filed: October 23, 2013
    Publication date: February 20, 2014
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Hideaki NAGASAKA
  • Patent number: 8632931
    Abstract: The present invention relates to an electrophotographic photosensitive member obtained by providing an intermediate layer and a photosensitive layer on a conductive support in the stated order, the electrophotographic photosensitive member being characterized in that the intermediate layer contains a specific polyolefin resin and a specific organic electron-transporting substance, and a process cartridge and an electrophotographic apparatus each having the electrophotographic photosensitive member.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: January 21, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kunihiko Sekido, Hideaki Nagasaka, Michiyo Sekiya, Shinji Takagi
  • Publication number: 20130342883
    Abstract: An image reader includes a first image reading unit that reads a first image on a first side of a sheet to output a first analog signal corresponding to the first image, a second image reading unit that reads a second image on a second side of the sheet, converts a second analog signal corresponding to the second image into a second digital signal, and outputs the second digital signal, a processor that processes the first analog signal and the second digital signal and includes a first converter converting the first analog signal into a first digital signal, and a timing signal output unit outputting, to the second image reading unit, a timing signal corresponding to a conversion time of the conversion by the first converter. Based on the timing signal, the second image reading unit outputs the second digital signal at a time outside the conversion time.
    Type: Application
    Filed: August 30, 2013
    Publication date: December 26, 2013
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Hideaki NAGASAKA
  • Patent number: 8593702
    Abstract: An image reader is provided, which includes a first image reading unit configured to read an image on a first side of a first document sheet being conveyed on a feeding path, and output an analog signal corresponding to the read image of the first side, a second image reading unit configured to read an image on a second side opposite to the first side of the first document sheet being conveyed on the feeding path, and output a digital signal corresponding to the read image of the second side in a differential transmission method, and a processor configured to process the analog signal output from the first reading unit and the digital signal output from the second image reading unit.
    Type: Grant
    Filed: November 17, 2010
    Date of Patent: November 26, 2013
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Hideaki Nagasaka