Patents by Inventor Sang Jae Lee

Sang Jae 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).

  • Patent number: 11661513
    Abstract: A thermoplastic resin composition according to the present invention comprises: about 100 parts by weight of a polycarbonate resin; about 5 to about 100 parts by weight of an inorganic filler; about 0.1 to about 2 parts by weight of a maleic anhydride-modified olefin-based copolymer; and about 0.1 to about 2 parts by weight of a phosphite compound represented by chemical formula 1. The thermoplastic resin composition is excellent in terms of chemical resistance, impact resistance, rigidity, physical property balance thereof, and the like.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: May 30, 2023
    Assignee: Lotte Chemical Corporation
    Inventors: Nam Hyun Kim, Bong Jae Lee, Young Mi Kim, Ik Mo Kim, Sang Hwa Lee, Sang Hyun Hong
  • Publication number: 20230156463
    Abstract: Provided is a module and method for transmitting information using a wireless hidden signal, which is capable of transmitting important information data requiring extreme security using a wireless hidden signal, and allowing the important information to be detected and distinguished by only promised transmitting/receiving parties so that the possibility of the wireless hidden signal being discovered can be minimized and security can be enhanced. The module for transferring information using a wireless hidden signal includes: a hidden formatting unit configured to generate a transmission data frame structure based on data that needs to be wirelessly transmitted; a hidden encoding unit configured to encode the generated transmission data frame structure to generate and output a hidden encoded bit stream; and a hidden modulation unit configured to convert the output hidden encoded bit stream into a wireless signal in a wireless transmission format.
    Type: Application
    Filed: October 18, 2022
    Publication date: May 18, 2023
    Inventors: Yong Sung JEON, Ha Young SEONG, Sang Woo LEE, You Sung KANG, Ik Kyun KIM, Mi Kyung OH, Sang Jae LEE
  • Patent number: 11578106
    Abstract: Provided are a surfactant adhesive protein comprising an amphiphilic peptide, as a surfactant adhesive protein, at the carbon or amine terminal, a silicone oil and an anticancer composition comprising the surfactant adhesive, where the surfactant adhesive enables homogeneous dispersion of hydrophilic or hydrophobic particles in a hydrophobic or hydrophilic solvent on the basis of strong adhesive strength of the mussel adhesive protein, and the surface adhesive can be favorably used as a surface coating agent requiring antibacterial or antiviral functions as well as a cosmetic product or an ink.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: February 14, 2023
    Assignee: TME THERAPEUTICS CO., LTD.
    Inventors: Sang Jae Lee, Bong Jin Hong, Min Chul Park
  • Publication number: 20230031342
    Abstract: The present disclosure relates to a rubber track unit including: a track main body configured to move by a drive transmitted from a sprocket installed in a vehicle; an elastic part configured to provide a surface pressurized by a road wheel; a support plate to which the elastic part is coupled; and a coupling part detachably coupling the support plate and the track main body so that the elastic part is detachably coupled to the track main body.
    Type: Application
    Filed: July 28, 2022
    Publication date: February 2, 2023
    Inventor: Sang Jae LEE
  • Publication number: 20220349780
    Abstract: The present invention relates to a rotary jig for rotation of a crank shaft of a vehicle and a measuring system using the same. The measuring system includes: a rotary jig (100) for rotating a crank shaft (C) by opening only a bonnet in a vehicle stop state; a probe (700) joined to the position where a spark plug of an engine is separated and having an extension rod located at the center of a piston to check a top dead point and to output signal values when the crank shaft is rotated according to rotation of the rotary jig; a pump (810) for supplying air to a cylinder chamber of the engine through a tube connected to the probe (700) to move the piston; a terminal (900) for outputting the signal value of the probe (700) to a display unit through wireless communication; and a control unit (800) for controlling the signal values.
    Type: Application
    Filed: December 17, 2020
    Publication date: November 3, 2022
    Applicants: TJTENG CO., LTD.
    Inventors: Chang-Ju KIM, Ju-Kyeong KIM, Myung-Rae CHO, Sang-Jae LEE
  • Patent number: 11442036
    Abstract: A sensor element includes an element main body in which a flow portion of a measurement-object gas is disposed, a measurement electrode disposed in the flow portion of a measurement-object gas, a measurement electrode lead having a first portion that is connected to the measurement electrode and that is disposed in the flow portion of a measurement-object gas and a second portion that is connected to the first portion and that is embedded in the element main body, a hermetic layer that is part of the element main body and that surrounds an end region of the second portion including the border with the first portion; and a lead insulating layer that is part of the element main body and that surrounds at least part of the second portion excluding the end region.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: September 13, 2022
    Assignee: NGK INSULATORS, LTD.
    Inventors: Yusuke Fujii, Sang Jae Lee
  • Publication number: 20220155974
    Abstract: Disclosed herein is a device equipped with flash memory, which includes memory in which at least one program is recorded and a processor for executing the program. The memory includes flash memory including a data area and a backup area, and the program divides data into two or more segments depending on whether the data can be stored in a single page and stores the same in the data area. The first segment is stored in a page along with a segment number, indicating the sequential position of the divided data, a segment offset, indicating the number of pages between the pages in which the current segment and the next segment are stored, the size of a data file name, the size of the data, and the file name. At least one additional segment may be stored in another page along with the segment number and segment offset thereof.
    Type: Application
    Filed: October 21, 2021
    Publication date: May 19, 2022
    Inventors: Yong-Sung JEON, Doo-Ho CHOI, Ha-Young SEONG, Mi-Kyung OH, Sang-Jae LEE, Ik-Kyun KIM
  • Patent number: 11336444
    Abstract: Disclosed herein are a hardware security module, a device having the hardware security module, and a method for operating the device. The method for verifying integrity of executable code in a device includes dividing, by a Micro-Control Unit (MCU), executable code into multiple blocks, generating, by the MCU, hash values corresponding to the blocks resulting from the division, storing, by a Hardware Security Module (HSM), the generated hash values, calculating, by the MCU, at least one hash value, among hash values of the multiple blocks when the executable code boots, and comparing, by the HSM, the calculated hash value with a hash value corresponding to the calculated hash value, among the hash values stored in the HSM.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: May 17, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Yong-Sung Jeon, You-Sung Kang, Byoung-Koo Kim, Sang-Jae Lee, Seung-Kwang Lee, Doo-Ho Choi
  • Patent number: 11329835
    Abstract: Disclosed herein are an apparatus and method for authenticating an IoT device. The method, performed by the IoT device authentication apparatus, includes transmitting, by the IoT device authentication apparatus, a random number to the IoT device and encrypting, by the IoT device authentication apparatus, the random number using a previously registered first white-box cryptography value through a white-box cryptography method; generating, by the IoT device, a first device response value from a previously registered first device challenge value using a Physical Unclonable Function (PUF) and encrypting, by the IoT device, the random number, received from the IoT device authentication apparatus, using the first device response value; and performing, by the IoT device authentication apparatus, authentication of the IoT device by checking whether the random number encrypted using the white-box cryptography method matches the random number encrypted using the PUF, which is received from the IoT device.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: May 10, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Byoung-Koo Kim, Seung-Yong Yoon, You-Sung Kang, Doo-Ho Choi, Ik-Kyun Kim, Tae-Sung Kim, Mi-Kyung Oh, Sang-Jae Lee
  • Publication number: 20210392004
    Abstract: Disclosed herein are an apparatus and method for device authentication. The method for device authentication based on a certificate using a PUF, performed by an apparatus for device authentication based on a certificate using a PUF, includes acquiring previously stored first Challenge-Response-Pair (CRP) information corresponding to identification information received from a device that requests authentication and generating a certificate including a public key generated using the first CRP information; transmitting a message in which the certificate encrypted using the first response value of the first CRP information as a server secret key and the first challenge value of the first CRP information are included to the device; and authenticating the device by verifying an encrypted signature message received from the device through a secure channel.
    Type: Application
    Filed: March 22, 2021
    Publication date: December 16, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Byoung-Koo KIM, Seung-Yong YOON, You-Sung KANG, Doo-Ho CHOI, Ik-Kyun KIM, Tae-Sung KIM, Mi-Kyung OH, Sang-Jae LEE
  • Patent number: 11115202
    Abstract: Disclosed is a method of generating secret information on the basis of a ring oscillator. According to an embodiment of the present disclosure, there is provided an apparatus for generating secret information on the basis of a ring oscillator, the apparatus including: multiple PUF information generation units each including at least one ring oscillator cell and generating physically unclonable function (PUF) information generated by the at least one ring oscillator cell; a phase checking unit cross-checking phases for the multiple pieces of the PUF information that are output from the multiple PUF information generation units, respectively; and a secret key generation unit outputting secret key information based on a result of comparing the multiple phases received from the phase checking unit.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: September 7, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sang Jae Lee, Mi Kyung Oh, You Sung Kang, Ik Kyun Kim, Doo Ho Choi
  • Publication number: 20210253544
    Abstract: A nicotinamide adenine dinucleotide phosphate-dependent steroid dehydrogenase-like (NSDHL) inhibitor provided according to an aspect of the present invention can be used not only as an anticancer agent capable of overcoming resistance to EGFR-targeting anticancer agents, but also advantageously in the treatment of hyperlipidemia.
    Type: Application
    Filed: August 29, 2019
    Publication date: August 19, 2021
    Inventors: Bong-Jin LEE, Kyu-Yeon LEE, Sang Jae LEE, Dong-Gyun KIM, Joo Youn LEE, Kwan-Young JEONG, Heui Cherl YANG, Hyeon-Kyu LEE, Hyoun Sook KIM
  • Patent number: 11037716
    Abstract: There are provided an inductor and a method of manufacturing the same. The inductor includes: a support member; a first coil pattern formed on one surface of the support member; and a second coil pattern formed on the other surface of the support member, wherein a thickness of the support member between the first coil pattern and the second coil pattern is 1/10 or more of a thickness of the first coil pattern and is less than ? of the thickness of the first coil pattern.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: June 15, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Sang Jae Lee
  • Patent number: 10952329
    Abstract: A copper clad laminate and a method to manufacture the same are provided. In one general aspect, a copper clad laminate include a first copper clad layer on a first surface of an insulating layer, and a second copper clad layer on a second surface of the insulating layer. The second copper clad layer includes polymer resin layer, a second copper layer, and a carrier foil layer.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: March 16, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Youn-Gyu Han, Sang-jae Lee
  • Publication number: 20210070816
    Abstract: Provided are a surfactant adhesive protein comprising an amphiphilic peptide, as a surfactant adhesive protein, at the carbon or amine terminal, a silicone oil and an anticancer composition comprising the surfactant adhesive, where the surfactant adhesive enables homogeneous dispersion of hydrophilic or hydrophobic particles in a hydrophobic or hydrophilic solvent on the basis of strong adhesive strength of the mussel adhesive protein, and the surface adhesive can be favorably used as a surface coating agent requiring antibacterial or antiviral functions as well as a cosmetic product or an ink.
    Type: Application
    Filed: November 20, 2020
    Publication date: March 11, 2021
    Applicant: TME Therapeutics Co., Ltd.
    Inventors: Sang Jae LEE, Bong Jin HONG, Min Chul PARK
  • Publication number: 20210058249
    Abstract: Disclosed herein are a hardware security module, a device having the hardware security module, and a method for operating the device. The method for verifying integrity of executable code in a device includes dividing, by a Micro-Control Unit (MCU), executable code into multiple blocks, generating, by the MCU, hash values corresponding to the blocks resulting from the division, storing, by a Hardware Security Module (HSM), the generated hash values, calculating, by the MCU, at least one hash value, among hash values of the multiple blocks when the executable code boots, and comparing, by the HSM, the calculated hash value with a hash value corresponding to the calculated hash value, among the hash values stored in the HSM.
    Type: Application
    Filed: July 27, 2020
    Publication date: February 25, 2021
    Inventors: Yong-Sung JEON, You-Sung KANG, Byoung-Koo KIM, Sang-Jae LEE, Seung-Kwang LEE, Doo-Ho CHOI
  • Publication number: 20210036873
    Abstract: Disclosed herein are an apparatus and method for authenticating an IoT device. The method, performed by the IoT device authentication apparatus, includes transmitting, by the IoT device authentication apparatus, a random number to the IoT device and encrypting, by the IoT device authentication apparatus, the random number using a previously registered first white-box cryptography value through a white-box cryptography method; generating, by the IoT device, a first device response value from a previously registered first device challenge value using a Physical Unclonable Function (PUF) and encrypting, by the IoT device, the random number, received from the IoT device authentication apparatus, using the first device response value; and performing, by the IoT device authentication apparatus, authentication of the IoT device by checking whether the random number encrypted using the white-box cryptography method matches the random number encrypted using the PUF, which is received from the IoT device.
    Type: Application
    Filed: April 22, 2020
    Publication date: February 4, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Byoung-Koo KIM, Seung-Yong YOON, You-Sung KANG, Doo-Ho CHOI, Ik-Kyun KIM, Tae-Sung KIM, Mi-Kyung OH, Sang-Jae LEE
  • Publication number: 20200412556
    Abstract: Disclosed herein is a method of operating an authentication server based on a Physical Unclonable Function (PUF), which includes transmitting a Challenge-Response Pair (CRP) update request message to a user device when a CRP update event occurs, receiving a CRP update response message from the user device in response to the CRP update request message, generating a secret key corresponding to the CRP update request message, decrypting the CRP update response message with the secret key, and updating a CRP corresponding to the secret key in a database using the decrypted CRP update response message.
    Type: Application
    Filed: March 25, 2020
    Publication date: December 31, 2020
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung-Yong YOON, Byoung-Koo KIM, You-Sung KANG, Doo-Ho CHOI, Ik-Kyun KIM, Tae-Sung KIM, Mi-Kyung OH, Sang-Jae LEE
  • Patent number: 10870783
    Abstract: Provided herein is a surfactant adhesive protein comprising an amphiphilic peptide at the carbon or amine terminal of the protein, enabling homogeneous dispersion of several materials in various solvents and coating of the homogeneously dispersed particles on a hydrophilic or hydrophobic surface, particularly the homogeneous dispersion of hydrophilic or hydrophobic particles in a hydrophobic or hydrophilic solvent on the basis of strong adhesive strength of a mussel adhesive protein; the surface adhesive protein can be used as a surface coating agent requiring antibacterial or antiviral functions as well as a cosmetic product or an ink.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: December 22, 2020
    Assignee: KOLLODIS BIOSCIENCES, INC.
    Inventors: Sang Jae Lee, Bong Jin Hong
  • Publication number: 20200370021
    Abstract: Described are methods and devices for enrichment and in situ expansion of circulating tumor cells (CTCs) from biological samples. The methods may include detecting at least one or more of cell adhesion molecules as epithelial mesenchymal transition (EMT) biomarker. Also described is device for detecting or enriching CTCs. The surface of the device may provide at least one or more of cell binding ligands such as ECM or cadherin derived peptide motif to detect the EMT biomarker. Also described is a surface to remove leukocytes from biological samples, leading to efficient enrichment of CTCs from the biological samples.
    Type: Application
    Filed: June 12, 2020
    Publication date: November 26, 2020
    Inventors: Myung-Yeol Lee, Chi-Uk In, Sang-Jae Lee, Bong-Jin Hong, Min-Chul Park