Patents by Inventor Ki H. Lee

Ki H. Lee 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).

  • Publication number: 20240143141
    Abstract: The present disclosure generally relates to underwater user interfaces.
    Type: Application
    Filed: January 5, 2024
    Publication date: May 2, 2024
    Inventors: Benjamin W. BYLENOK, Alan AN, Richard J. BLANCO, Andrew CHEN, Maxime CHEVRETON, Kyle B. CRUZ, Walton FONG, Ki Myung LEE, Sung Chang LEE, Cheng-I LIN, Kenneth H. MAHAN, Anya PRASITTHIPAYONG, Alyssa RAMDYAL, Eric SHI, Xuefeng WANG, Wei Guang WU
  • Patent number: 5591766
    Abstract: A solid oral pharmaceutical formulations of novel pyridone carboxylic acid compounds and esters or salts thereof having powerful antibacterial activities is disclosed.
    Type: Grant
    Filed: November 1, 1994
    Date of Patent: January 7, 1997
    Assignee: Cheil Foods & Chemicals, Inc.
    Inventors: Won Y. Bang, Kyu J. Yeon, Yeong O. Baik, Young H. Kim, Kwan H. Park, Ki H. Lee, Jin W. Kim
  • Patent number: 5527910
    Abstract: Pyridone carboxylic acid compounds or physiologically hydrolyzable esters thereof are provided which are represented by the formula: ##STR1## wherein R.sub.1 is a lower alkyl, a halogen-substituted lower alkyl, a lower alkenyl, a cycloalkyl, or a substituted- or unsubstituted-phenyl group; R.sub.2 is a hydrogen atom, or a lower alkyl or an amino group; A is a nitrogen atom or the group C-X wherein X is a hydrogen or a halogen atom, or an alkoxy group; and Z is a group having the formula: ##STR2## wherein n is 1 or 2; R.sub.3 and R.sub.4 each represent a hydrogen atom or a lower alkyl group, with proviso that, if n is 2, one of R.sub.3 and R.sub.4 is a hydrogen atom; R.sub.5 and R.sub.6 each represent a hydrogen atom, or a hydroxy, a lower alkoxy or an amino group which is unsubstituted or substituted by a lower alkyl group, with proviso that one of R.sub.5 and R.sub.6 is a hydrogen atom; and R.sub.7 is a hydrogen atom or a lower alkyl group.
    Type: Grant
    Filed: December 3, 1993
    Date of Patent: June 18, 1996
    Assignee: Cheil Foods & Chemicals, Inc.
    Inventors: Choong S. Kim, Jin W. Kim, Jae M. Lee, Il H. Cho, Yong S. Youn, Young J. Shin, Ki H. Lee, Je H. Kim, Yong H. Jung, Seung H. An
  • Patent number: 5484785
    Abstract: The present invention provides novel organic acid addition salts of a quinolone-carboxylic acid of formula (I) ##STR1## wherein Z is 5-oxotetrahydrofuran-2-carboxylic acid or 2-hydroxyglutaric acid. The salts are highly soluble in water and are thus suitable to prepare a stable injection in storage for a long period of time.
    Type: Grant
    Filed: August 26, 1994
    Date of Patent: January 16, 1996
    Assignee: Cheil Foods & Chemicals, Inc.
    Inventors: Kyu J. Yeon, Je H. Kim, Kyung E. Choi, Dal H. Kim, Ki H. Lee
  • Patent number: 5373443
    Abstract: A method for imaging with low frequency electromagnetic fields, and for interpreting the electromagnetic data using ray tomography, in order to determine the earth conductivity with high accuracy and resolution. The imaging method includes the steps of placing one or more transmitters, at various positions in a plurality of transmitter holes, and placing a plurality of receivers in a plurality of receiver holes. The transmitters generate electromagnetic signals which diffuse through a medium, such as earth, toward the receivers. The measured diffusion field data H is then transformed into wavefield data U. The traveltimes corresponding to the wavefield data U, are then obtained, by charting the wavefield data U, using a different regularization parameter .alpha. for each transform. The desired property of the medium, such as conductivity, is then derived from the velocity, which in turn is constructed from the wavefield data U using ray tomography.
    Type: Grant
    Filed: October 6, 1993
    Date of Patent: December 13, 1994
    Assignee: The Regents, University of California
    Inventors: Ki H. Lee, Gan Q. Xie
  • Patent number: 5357092
    Abstract: A barcode communication interface system and method capable of transmitting to a host computer barcode information received from a barcode decoder that is properly formatted and decoded without any error in an asynchronous manner. In this interface system, a microcontroller receives properly formatted barcode information data from the barcode decoder, converts the barcode information data into serial data through the asynchronous communication controller, and transmits this data to the host computer through an inverting line driver (ICL-232) and serial communication interface (RS-232C). The interface system of the present invention is compatible with various types of barcode readers, and enables the RS-232C serial communication interface to be driven by the power source for the barcode decoder.
    Type: Grant
    Filed: October 30, 1991
    Date of Patent: October 18, 1994
    Assignee: Goldstar Co., Ltd.
    Inventor: Ki H. Lee
  • Patent number: 5227616
    Abstract: A barcode information recognizing and processing method enabling a high speed scanning to be obtained and no error in reading the barcode information to occur.The method comprises storing to an accumulator by a microprocessor (15) a parity discrimination signal (PRT), count signals of one character (CTa, CTb, CTc), a count signal (CTa+CTb) indicating the total length of one character, and a similar character discrimination signal (VAMB) which are outputted in turn from a FIFO memory 14 of a barcode reader decoding system.Storing shares (M1)(M2)(M3) obtained by dividing the count signal (CTa+CTc)by the count signals (CTa), (CTb), (CTc), respectively; andtransmitting through a transmitting/receiving unit 16 a denary data according to a result obtained by recognizing an original barcode information from said shares (M1), (M2), (M3).
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: July 13, 1993
    Assignee: Goldstar Co., Ltd.
    Inventor: Ki H. Lee