Patents by Inventor Tsuyoshi ONAKA

Tsuyoshi ONAKA 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).

  • Vision testing device and vision testing program
    Patent number: 10130251
    Abstract: A vision testing device and a vision testing program are capable of obtaining a correct test result while reducing an accumulation of fatigue added on one of the eyes of a testee, including: image displays that present a light for suppressing a dark adaptation for both eyes of a testee; and image displays that present a target for an eye (L, R, or both) of the testee so that the target is presented for one of the eyes before the vision testing for the other eye is ended.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: November 20, 2018
    Assignee: CREWT MEDICAL SYSTEMS, INC.
    Inventors: Fumitaka Sudou, Shinji Kimura, Kenzo Yamanaka, Tsuyoshi Onaka
  • VISION TESTING DEVICE AND VISION TESTING PROGRAM
    Publication number: 20170065166
    Abstract: A vision testing device and a vision testing program are capable of obtaining a correct test result while reducing an accumulation of fatigue added on one of the eyes of a testee, including: image displays that present a light for suppressing a dark adaptation for both eyes of a testee; and image displays that present a target for an eye (L, R, or both) of the testee so that the target is presented for one of the eyes before the vision testing for the other eye is ended.
    Type: Application
    Filed: April 30, 2014
    Publication date: March 9, 2017
    Applicant: CREWT MEDICAL SYSTEMS, INC.
    Inventors: Fumitaka SUDOU, Shinji KIMURA, Kenzo YAMANAKA, Tsuyoshi ONAKA