Patents by Inventor Shukuya Yuuichiroh

Shukuya Yuuichiroh 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 which corrects main scanning misregistration
    Patent number: 8982171
    Abstract: An image forming apparatus includes a light source which illuminates in response to image data, and a deflector to deflect an optical beam output from the light source into a scanning beam running along a main scanning line across an image forming area in a main scanning direction. There are plurality of beam detectors to detect the scanning beam at a plurality of different positions along the main scanning line, the plurality of beam detectors including first and second beam detectors detecting the scanning beam at positions in front-end and rear-end sides, respectively, in the main scanning direction.
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: March 17, 2015
    Assignee: Ricoh Company, Ltd.
    Inventor: Shukuya Yuuichiroh
  • IMAGE FORMING APPARATUS WHICH CORRECTS MAIN SCANNING MISREGISTRATION
    Publication number: 20120033267
    Abstract: An image forming apparatus includes a light source which illuminates in response to image data, and a deflector to deflect an optical beam output from the light source into a scanning beam running along a main scanning line across an image forming area in a main scanning direction. There are plurality of beam detectors to detect the scanning beam at a plurality of different positions along the main scanning line, the plurality of beam detectors including first and second beam detectors detecting the scanning beam at positions in front-end and rear-end sides, respectively, in the main scanning direction.
    Type: Application
    Filed: April 8, 2011
    Publication date: February 9, 2012
    Inventor: Shukuya Yuuichiroh