Patents by Inventor JongSeo Chai

JongSeo Chai 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).

  • MULTI-JOINT RADIOTHERAPY APPARATUS USING FLEXIBLE AND ROTARY COUPLING WAVEGUIDE PIPE
    Publication number: 20140225534
    Abstract: A radiotherapy apparatus includes a beam irradiation head (10), a linear accelerating means (20) provided at the beam irradiation head (10), a robot arm (30) connected with the beam irradiation head (10) and having a plurality of joints, a waveguide (40) built in the robot arm 30 and connected with the linear accelerating means (20), and an electromagnetic wave oscillator (50) disposed outside the robot arm (30) and generating electromagnetic waves so that the electromagnetic waves are propagated to the linear accelerating means (20) through the waveguide (40).
    Type: Application
    Filed: February 12, 2014
    Publication date: August 14, 2014
    Applicant: Korea Atomic Energy Research Institute
    Inventors: Byung Cheol Lee, Byeong-No Lee, Seungho Kim, Kyung-min Jeong, JongSeo Chai, Ki Baek Song, Hyung Dal Park, SeungWook Shin, SeungHyun Lee, JongChul LEE