Patents by Inventor Jung-Sik Yu

Jung-Sik Yu 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: 8543479
    Abstract: The present disclosure is directed to systemically arranging a computation module communicating with a client information processor and receiving client setup information input/set by a client, a computation module selecting a product invested at each turn (of the IM investment period) and a product invested at the last turn (the last turn of the investment period) from among the investment products operated by an IM management server, according to the received client setup information, generating an IM operation simulation data reflecting the total expected cash input demanded on the client, the expected cash input at each/last turn for the product invested at each/last turn, the expected cash output at each turn resulting from the purchase/operation of the product invested at each turn, the expected cash output at the last turn resulting from the purchase/operation of the product invested at the last turn, the purchase quantity of the product invested at each turn to match the expected cash output at each t
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: September 24, 2013
    Assignee: Samsung Securities Co., Ltd.
    Inventors: Chul Min Kim, Bum Sik Jeong, Young Jun Gho, Jung Sik Yu
  • Patent number: 4974619
    Abstract: There is disclosed a cleaning device for cleaning a semiconductor wafer. According to the present invention, ech of the steps of the cleaning process used a separate carrier, so that none but the wafers need be washed, saving washing time. When drying, the surfaces of the wafers are kept from being contaminated by residual cleansers, thereby improving the yield rate.
    Type: Grant
    Filed: February 3, 1989
    Date of Patent: December 4, 1990
    Assignee: SamSung Electronics Co., Ltd.
    Inventor: Jung-Sik Yu