Patents by Inventor Takanobu Saitoh

Takanobu Saitoh 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 AND CHARGE CONTROL METHOD
    Publication number: 20150147079
    Abstract: An image forming apparatus includes a plurality of power generation units, a charge control unit, a charge switch unit, and a controller, Each of the plurality of power generation units is respectively provided to a corresponding one of a plurality of high-temperature portions in the image forming apparatus to generate power based on temperatures of the high-temperature portions. The charge control unit charges a power storage unit with electrical energy generated by the power generation units. The charge switch unit switches between the power generation units to connect one of the power generation units to the charge control unit. The controller controls the charge switch unit to selectively connect one of the power generation units capable of achieving a maximum power generation efficiency to the charge control unit.
    Type: Application
    Filed: October 24, 2014
    Publication date: May 28, 2015
    Applicant: RICOH COMPANY, LTD.
    Inventors: Atsuki IWATA, Takanobu SAITOH, Tetsuya YANO, Tsuyoshi ENDOH, Shuntaroh NAKAYAMA, Toshimasa AOKI, Seiya OGAWA
  • Image forming apparatus
    Patent number: 6493525
    Abstract: An image forming apparatus of the present invention is capable of protecting a sheet or recording medium from defective fixation and creases and enhancing image quality. These advantages are achievable even when the operator of the apparatus switches the kind of sheets to use or selects, e.g., a special sheet needing a particular fixing condition.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: December 10, 2002
    Assignee: Ricoh Company, Ltd.
    Inventors: Sotaro Nakamura, Takanobu Saitoh
  • Image forming apparatus
    Publication number: 20020012543
    Abstract: An image forming apparatus of the present invention is capable of protecting a sheet or recording medium from defective fixation and creases and enhancing image quality. These advantages are achievable even when the operator of the apparatus switches the kind of sheets to use or selects, e.g., a special sheet needing a particular fixing condition.
    Type: Application
    Filed: May 15, 2001
    Publication date: January 31, 2002
    Applicant: Ricoh Company, Ltd.
    Inventors: Sotaro Nakamura, Takanobu Saitoh