Patents by Inventor Sung Min Joo

Sung Min Joo 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: 9866551
    Abstract: Disclosed are a one time password generation device and an authentication method. The one time password generation device includes: a reference information generator that generates reference information; a virtual input means generator that generates a virtual input means in which a blank is provided; and a password generator that generates a one time password using an initial value, reference information and a blank.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: January 9, 2018
    Inventors: Young Man Hwang, Sung Min Joo
  • Publication number: 20150379260
    Abstract: Disclosed are a one time password generation device and an authentication method. The one time password generation device includes: a reference information generator that generates reference information; a virtual input means generator that generates a virtual input means in which a blank is provided; and a password generator that generates a one time password using an initial value, reference information, and a blank.
    Type: Application
    Filed: June 26, 2015
    Publication date: December 31, 2015
    Inventors: Young Man HWANG, Sung Min JOO
  • Publication number: 20150074795
    Abstract: One-time password (OTP) generation apparatus and method using virtual input means are provided. Reference information generated by a reference information generation unit is compared with identification information. When the reference information is identical to the identification information, a value corresponding to indication information is generated as an OTP.
    Type: Application
    Filed: October 24, 2013
    Publication date: March 12, 2015
    Inventors: Young Man HWANG, Sung-Min JOO
  • Publication number: 20140379053
    Abstract: Disclosed is a medical mask apparatus using optical fibers which can selectively project a laser beam to an entire treated portion or a local portion of skin. A medical mask apparatus using optical fibers for projecting a fine laser beam to the skin to activate skin cells and expedite circulation of blood in the skin includes: a laser light source generator for generating and supplying a laser beam having a predetermined wavelength band; a plurality of optical fibers branched from the laser light source generator; and a mask body having a cover portion having a predetermined area such that the cover portion covers a portion of a face and in which a portion of a distal end of the optical fiber is exposed along the entire cover.
    Type: Application
    Filed: November 16, 2012
    Publication date: December 25, 2014
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Seong Jae Boo, Hye Jeong Jeong, Sung Min Joo, Won Taek Han