Patents by Inventor Chi Taek OH

Chi Taek OH 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).

  • Dental X-ray radiographing apparatus having radiographing unit housing
    Patent number: 10617373
    Abstract: Disclosed is a dental X-ray imaging apparatus having a radiographing housing so as to provide a stable radiographing environment to an examinee. The dental X-ray radiographing apparatus includes a radiographing unit including a rotary arm, an X-ray generator, and an X-ray sensor, and a radiographing housing for covering an upper part, an outside and an inside of an operating range of the radiographing unit. The imaging apparatus further includes a lifter configured to move the radiographing housing, and a handle frame disposed at a lower part of the radiographing housing with a variable height and including a chin rest, wherein the lifter moves the radiographing housing such that the distance between the chin rest and the radiographing housing is constant.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: April 14, 2020
    Assignees: VATECH Co., Ltd., VATECH EWOO Holdings Co., Ltd.
    Inventors: Byung Jun Ahn, Jung In Lee, Yeong Kyun Kim, Chi Taek Oh
  • DENTAL X-RAY IMAGING APPARATUS HAVING IMAGING UNIT HOUSING
    Publication number: 20170319158
    Abstract: Disclosed is a dental X-ray imaging apparatus having a radiographing housing so as to provide a stable radiographing environment to an examinee. The dental X-ray radiographing apparatus includes a radiographing unit including a rotary arm, an X-ray generator, and an X-ray sensor, and a radiographing housing for covering an upper part, an outside and an inside of an operating range of the radiographing unit. The imaging apparatus further includes a lifter configured to move the radiographing housing, and a handle frame disposed at a lower part of the radiographing housing with a variable height and including a chin rest, wherein the lifter moves the radiographing housing such that the distance between the chin rest and the radiographing housing is constant.
    Type: Application
    Filed: November 12, 2015
    Publication date: November 9, 2017
    Applicants: VATECH Co., Ltd., VATECH EWOO Holdings Co., Ltd.
    Inventors: Byung Jun AHN, Jung In LEE, Yeong Kyun KIM, Chi Taek OH