Patents by Inventor Ayumi Hiro

Ayumi Hiro 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).

  • Image forming apparatus with cartridge-replacement indicator
    Patent number: 8995850
    Abstract: An image forming apparatus includes: a first cartridge configured to contain developer of a first color; a second cartridge configured to contain developer of a second color; a processor; and memory storing computer readable instructions that, when executed by the processor, causing the image forming apparatus to: indicate the necessity to replace the first cartridge by using at least information based on a first use amount and information based on a number of printed sheets; and indicate the necessity to replace the second cartridge by using at least information based on a second use amount without using the information based on the number of printed sheets.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: March 31, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Kensuke Miyahara, Ayumi Hiro
  • Image Forming Apparatus
    Publication number: 20140072314
    Abstract: An image forming apparatus includes: a first cartridge configured to contain developer of a first color; a second cartridge configured to contain developer of a second color; a processor; and memory storing computer readable instructions that, when executed by the processor, causing the image forming apparatus to: indicate the necessity to replace the first cartridge by using at least information based on a first use amount and information based on a number of printed sheets; and indicate the necessity to replace the second cartridge by using at least information based on a second use amount without using the information based on the number of printed sheets.
    Type: Application
    Filed: September 13, 2013
    Publication date: March 13, 2014
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kensuke Miyahara, Ayumi Hiro