Patents by Inventor Yoshimitsu Doi

Yoshimitsu Doi 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 into which replaceable units are detachably attached
    Patent number: 7471915
    Abstract: A replaceable unit is detachably attached into an image forming apparatus. The replaceable unit includes: a first cover member provided with a through hole that indicates a direction of the attachment and the detachment of the replaceable unit with respect to the image forming apparatus; and a second cover member having a color different from a color of the first cover member, and being formed to block the through hole from inner side of the replaceable unit when the first cover member is attached to the second cover member.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: December 30, 2008
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Naoya Kamimura, Tomoaki Hattori, Takuji Matsuno, Masashi Suzuki, Kazushi Fukuta, Yoshimitsu Doi
  • IMAGE FORMING APPARATUS INTO WHICH REPLACEABLE UNITS ARE DETACHABLY ATTACHED
    Publication number: 20080253778
    Abstract: A replaceable unit is detachably attached into an image forming apparatus. The replaceable unit includes: a first cover member provided with a through hole that indicates a direction of the attachment and the detachment of the replaceable unit with respect to the image forming apparatus; and a second cover member having a color different from a color of the first cover member, and being formed to block the through hole from inner side of the replaceable unit when the first cover member is attached to the second cover member.
    Type: Application
    Filed: June 19, 2008
    Publication date: October 16, 2008
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Naoya Kamimura, Tomoaki Hattori, Takuji Matsuno, Masashi Suzuki, Kazushi Fukuta, Yoshimitsu Doi
  • Image forming apparatus into which replaceable units are detachably attached
    Patent number: 7406273
    Abstract: A replaceable unit that is removably coupled to a storage portion of a main body provided in an image forming apparatus, the replaceable unit having a first picture split provided on the replaceable unit that forms a finished picture with a second picture split provided on the main body of the image forming apparatus when the replaceable unit is coupled to the storage portion.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: July 29, 2008
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Naoya Kamimura, Tomoaki Hattori, Takuji Matsuno, Masashi Suzuki, Kazushi Fukuta, Yoshimitsu Doi
  • Replaceable unit for use in image forming apparatus and image forming apparatus into which replaceable units are detachably attached
    Publication number: 20060018671
    Abstract: A replaceable unit is detachably attached into an image forming apparatus. The replaceable unit includes: a first cover member provided with a through hole that indicates a direction of the attachment and the detachment of the replaceable unit with respect to the image forming apparatus; and a second cover member having a color different from a color of the first cover member, and being formed to block the through hole from inner side of the replaceable unit when the first cover member is attached to the second cover member.
    Type: Application
    Filed: July 21, 2005
    Publication date: January 26, 2006
    Applicant: Brother Kogyo Kabushiki Kaisha
    Inventors: Naoya Kamimura, Tomoaki Hattori, Takuji Matsuno, Masashi Suzuki, Kazushi Fukuta, Yoshimitsu Doi