Patents by Inventor Hironari Cho

Hironari Cho 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).

  • Portable telephone, image converter, control method and program
    Patent number: 7840223
    Abstract: Simple pseudo gradation conversion technique suitable for implementation in portable devices such as mobile phones employing a relatively low-speed processor. Target image is represented with 2Cn gradation levels for n kinds of color components (where Cn is a natural number for each color component, and n is a natural number) per pixel. Image information acquisition unit (51) acquires image information representing an original image subjected to conversion from camera front end (40) and modulation/demodulation unit (61). Color space conversion unit 55 converts luminance color difference information, if the original image is represented thereby, into color component information. Quantization unit (54) quantizes the color component information into (2(Cn+1)?1) gradation values for each color component.
    Type: Grant
    Filed: April 26, 2005
    Date of Patent: November 23, 2010
    Assignee: Kyocera Corporation
    Inventor: Hironari Cho
  • Portable telephone, image converter, control method and program
    Publication number: 20090305718
    Abstract: Simple pseudo gradation conversion technique suitable for implementation in portable devices such as mobile phones employing a relatively low-speed processor. Target image is represented with 2Cn gradation levels for n kinds of color components (where Cn is a natural number for each color component, and n is a natural number) per pixel. Image information acquisition unit (51) acquires image information representing an original image subjected to conversion from camera front end (40) and modulation/demodulation unit (61). Color space conversion unit 55 converts luminance color difference information, if the original image is represented thereby, into color component information. Quantization unit (54) quantizes the color component information into (2(Cn+1)?1) gradation values for each color component.
    Type: Application
    Filed: April 26, 2005
    Publication date: December 10, 2009
    Applicant: KYOCERA CORPORATION
    Inventor: Hironari Cho