Patents by Inventor Hwa Sung Jun

Hwa Sung Jun 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).

  • Patent number: 9598136
    Abstract: A self balancing scooter steered with thighs is provided, which includes: two wheels having motors mounted; a motor housing for mounting the motors therein so as to allow rotary shafts of the motors to be located linearly; a footrest disposed on top of the motor housing; an erecting housing located on top of the footrest and having a battery and a controller mounted, the controller being adapted to control driving and direction change of the self balancing scooter, a cover disposed on top thereof, and an insertion hole formed on the center of the cover; a saddle having a seatpost fitted to the insertion hole of the cover; and a thigh steering plate mounted just on the underside of the saddle through the seatpost so as to be turned in left and right sides through the thighs of the rider sitting on the saddle to perform the direction change.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: March 21, 2017
    Assignee: ROBO3 CO., LTD.
    Inventors: Joon-Hyung Kim, Hwa Sung Jun
  • Patent number: 9434438
    Abstract: Disclosed is a method for driving a two-wheel self-balancing scooter to maintain straight drivability at occurrence of external force. The method includes a driving ready step of applying a power to the two-wheel self-balancing scooter (S10), a driving step of setting a driving speed and a forward/backward direction by leaning an occupant's body forward or backward (S20), when one wheel goes flat, a revolutions increasing step of rapidly increasing revolutions of the flat wheel (S30), a revolutions decreasing step of decreasing revolutions of a normal wheel according to the revolutions of the flat wheel (S40), a revolutions synchronizing step of equally setting the revolutions of the flat wheel and the normal wheel (S50), and a synchronization repeating step of repeating the revolutions synchronizing step (S60).
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: September 6, 2016
    Assignee: ROBO3 CO., LTD.
    Inventors: Joon-Hyung Kim, Hwa Sung Jun