Patents by Inventor Hyeon San Jeong

Hyeon San Jeong 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: 7493706
    Abstract: Provided is a shoe with a cushion and ventilation device. The cushion and ventilation device includes an air pump having an air discharge tube provided at its one side, and an air tube having a connection pipe connecting to the air discharge tube of the air pump, and an air chamber, wherein the air pump is provided by placing an upper sheet having a cavity on a lower sheet having an intake hole, and thermally bonding circumference surfaces of the upper and lower sheets using microwave, and wherein the upper and lower sheets further comprise a sponge having contraction and restoring forces therein.
    Type: Grant
    Filed: April 27, 2006
    Date of Patent: February 24, 2009
    Inventors: Jong Soo Cho, Hyeon San Jeong
  • Patent number: 7254903
    Abstract: Disclosed is footwear including a ventilation and shock-absorbing device having an air pump and a check valve for passing air supplied by the air pump. The footwear includes an air chamber provided at a front of the check valve for storing the air supplied through an inlet passage connected to the check valve, and an air tube having one or more discharge holes for discharging the air stored in the air chamber into the footwear.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: August 14, 2007
    Inventors: Jong Soo Cho, Hyeon San Jeong