Patents by Inventor Chang-Seok Lee

Chang-Seok 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: 10816541
    Abstract: In one aspect of the present specification, provided is a method for predicting a side effect of a whitening ingredient, the method comprising measuring at least one of i) the increase in toxicity according to long-term use of a whitening ingredient, ii) the difference between a concentration having whitening effect and a concentration having cell toxicity, and iii) the increase in sensitivity to the whitening ingredient according to ultraviolet pretreatment. In addition, the method has an effect of effectively predicting whether a side effect will occur if the whitening ingredient is used for a long time.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: October 27, 2020
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Chang Seok Lee, Heung Soo Baek, Yung Hyup Joo, Jeong Hwan Kim, Hong-Ju Shin, Mi Young Park, Song Seok Shin
  • Patent number: 10757334
    Abstract: An actuator of a camera module includes a driving coil disposed to face a detection target; a driving circuit including a plurality of transistors connected to the driving coil; and a processor configured to provide a respective gate control signal to a gate of each of the plurality of transistors, and detect a displacement of the detection target based on a component of an oscillation signal generated in a driving signal applied to the driving coil in response to an operation of any one of the plurality of transistors being switched by the respective gate control signal.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: August 25, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Youn Joong Lee, Chang Seok Lee, Koon Shik Cho, Ho Kwon Yoon
  • Publication number: 20200075324
    Abstract: In a plasma deposition method, a substrate is loaded onto a substrate stage within a chamber. A first plasma is generated at a region separated from the substrate by a first distance. A first process gas is supplied to the first plasma region to perform a pre-treatment process on the substrate. A second plasma is generated at a region separated from the substrate by a second distance different from the first distance. A second process gas is supplied to the second plasma region to perform a deposition process on the substrate.
    Type: Application
    Filed: April 16, 2019
    Publication date: March 5, 2020
    Inventors: Kaoru YAMAMOTO, Chang-Hyun KIM, Hyun-Jae SONG, Keun-Wook SHIN, Hyeon-Jin SHIN, Sung-Joo AN, Chang-Seok LEE, Kee-Young JUN, Geun-O JEONG, Jang-Hee LEE
  • Publication number: 20190289214
    Abstract: An actuator of a camera module includes a driving coil disposed to face a detection target; a driving circuit including a plurality of transistors connected to the driving coil; and a processor configured to provide a respective gate control signal to a gate of each of the plurality of transistors, and detect a displacement of the detection target based on a component of an oscillation signal generated in a driving signal applied to the driving coil in response to an operation of any one of the plurality of transistors being switched by the respective gate control signal.
    Type: Application
    Filed: October 25, 2018
    Publication date: September 19, 2019
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Youn Joong LEE, Chang Seok LEE, Koon Shik CHO, Ho Kwon YOON
  • Patent number: 10385011
    Abstract: Disclosed are a novel benzoic acid amide derivative compound, an isomer thereof, a pharmaceutically acceptable salt thereof, a prodrug thereof, a hydrate thereof, or a solvate thereof. The novel compound and the like inhibit melanin production, prevent tyrosinase activity, and have an excellent skin whitening effect.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: August 20, 2019
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Yung Hyup Joo, Soo Jeong Choi, Heung Soo Baek, Chang Seok Lee, Jeong Hwan Kim, Yongjin Kim, Hong-Ju Shin, Ho Sik Rho, Song Seok Shin, Jon Hwan Lee
  • Publication number: 20180267022
    Abstract: In one aspect of the present specification, provided is a method for predicting a side effect of a whitening ingredient, the method comprising measuring at least one of i) the increase in toxicity according to long-term use of a whitening ingredient, ii) the difference between a concentration having whitening effect and a concentration having cell toxicity, and iii) the increase in sensitivity to the whitening ingredient according to ultraviolet pretreatment. In addition, the method has an effect of effectively predicting whether a side effect will occur if the whitening ingredient is used for a long time.
    Type: Application
    Filed: February 26, 2016
    Publication date: September 20, 2018
    Inventors: Chang Seok LEE, Heung Soo BAEK, Yung Hyup JOO, Jeong Hwan KIM, Hong-Ju SHIN, Mi Young PARK, Song Seok SHIN
  • Publication number: 20180065922
    Abstract: Disclosed are a novel benzoic acid amide derivative compound, an isomer thereof, a pharmaceutically acceptable salt thereof, a prodrug thereof, a hydrate thereof, or a solvate thereof. The novel compound and the like inhibit melanin production, prevent tyrosinase activity, and have an excellent skin whitening effect.
    Type: Application
    Filed: March 30, 2016
    Publication date: March 8, 2018
    Inventors: Yung Hyup JOO, Soo Jeong CHOI, Heung Soo BAEK, Chang Seok LEE, Jeong Hwan KIM, Yongjin KIM, Hong-Ju SHIN, Ho Sik RHO, Song Seok SHIN, Jon Hwan LEE
  • Publication number: 20170349594
    Abstract: The present invention relates to a biaryl derivative expressed by the chemical formula 1, a method for producing the biaryl derivative, a pharmaceutical composition comprising same, and use of same, the biaryl derivative expressed by the chemical formula 1, as a GPR120 agonist, promoting GLP-1 generation in the gastro-intestinal tract, reducing insulin resistance in the liver, muscles and the like from anti-inflammatory activity in the macrophage, pancreatic cells and the like, and allowing effective use in prevention or treatment of inflammation or metabolic diseases such as diabetes, complications from diabetes, obesity, non-alcoholic fatty liver disease, fatty liver disease, and osteoporosis.
    Type: Application
    Filed: December 23, 2015
    Publication date: December 7, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Young Kwan KIM, Sang Yun PARK, Hyun Woo JOO, Eun Sil CHOI, Seung Yup PAEK, Seung Wan KANG, Byung Gyu KIM, Chang Seok LEE, Sung Wook KIM, Sang Dae Lee
  • Patent number: 9838211
    Abstract: A communication system and operating method use a home gateway. A method of a terminal in a communication system using a home gateway includes transmitting a service request signal using the home gateway to an adjacent node; receiving information of at least one home gateway of other user from the adjacent node; and transmitting and receiving signals to and from the at least one home gateway of other user. A method of a home gateway in the communication system using the home gateway includes receiving information of a user of other home gateway from a home gateway server; and transmitting and receiving signals to and from a user terminal of the other home gateway.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: December 5, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hee-Jin Oh, Dae-Hyun Sim, Chang-Seok Lee
  • Patent number: 9780771
    Abstract: A gate driving circuit may include: a bias unit receiving an input signal having preset high and low signal levels, including a first N-MOSFET turned on in the case in which the input signal has the high level and a first P-MOSFET turned on in the case in which the input signal has the low level, and supplying bias powers by the turning-on of the first N-MOSFET and the first P-MOSFET; and an amplifying unit including a second N-MOSFET turned on by receiving the bias power supplied from the first N-MOSFET in the case in which the input signal has the high level and a second P-MOSFET turned on by receiving the bias power supplied from the first P-MOSFET turned on in the case in which the input signal has the low level and providing a gate signal depending on the turning-on of the second N-MOSFET and the second P-MOSFET.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: October 3, 2017
    Assignee: UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATION
    Inventors: Sang Hyun Cha, Deuk Hee Park, Yun Joong Lee, Joong Ho Choi, Je Hyeon Yu, Hyeon Seon Yu, Chang Seok Lee
  • Patent number: 9755502
    Abstract: Disclosed herein are a start-up circuit capable of reducing a leakage current to reduce power consumption, and a power device using the same. The start-up circuit includes: a bias unit connected between a first power source and a second power source and allowing a first current to flow from the first power source to the second power source according to a predetermined voltage; a first start unit connected to the bias unit and driving a second current to apply the predetermined voltage to the bias unit, and stopping driving the second current when a voltage received from the second power source reaches a first voltage; and a second start unit connected to the bias unit and driving a third current, the predetermined voltage being applied to the bias unit by the third current, and stopping driving the third current upon receiving a stop signal.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: September 5, 2017
    Assignees: UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATION, SOLUM CO., LTD.
    Inventors: Sang Hyun Cha, Soo Hyun Moon, Hye Jin Lee, Joong Ho Choi, Ji Hwan Kim, Chang Seok Lee, Yun Joong Lee
  • Patent number: 9511713
    Abstract: A side view mirror having a rotatable housing comprises a cover plate mounted on an exterior of a vehicle body, wherein an inside and outside of the cover plate are divided based on the vehicle body. A stay includes a lever disposed at an inner side of the cover plate. An up/down/left/right angle adjusting part is integrated with a connection bar, connected to the lever through the connection bar, and configured to be movable in up/down and left/right directions with respect to an outer surface of the cover plate. A folding supporting part is integrated with the up/down/left/right angle adjusting part at the outer surface of the up/down/left/right angle adjusting part and connected to the mirror-integrated housing. A mirror-integrated housing is foldably or unfoldably coupled with the folding supporting part, and an angle of the mirror-integrated housing is adjusted in up/down and left/right directions by the up/down/left/right angle adjusting part.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: December 6, 2016
    Assignees: Hyundai Motor Company, Kia Motors Corporation, SMR Poong Jeong Automotive Mirrors Korea Ltd.
    Inventors: Ill Soo Kim, Jong Sik Bae, Chan Mook Choi, Chang Seok Lee, Dong Young Jang, Kyoung Joon Lee, Myung Ho Jung
  • Patent number: 9516514
    Abstract: The present disclosure provides in some aspects a method for positioning by a positioning access point, and an apparatus, system and access point for the same. A positioning system includes an AP including a positioning AP for delivering a positioning WLAN signal containing a dedicated positioning information and a telecom AP for delivering a telecom WLAN signal; database for storing an identification information of the access point and a location information belonging to the AP and matching the identification information; terminal for communicating with the AP; and WLAN-based positioning server responsive to a positioning request from the terminal for comparing a parameter of a WLAN signal received from the terminal with an identification information of the positioning AP on a priority basis, and when there is a match of information, granting the location information of the relevant access point the highest priority to determine the location of the terminal.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: December 6, 2016
    Assignee: SK TELECOM CO., LTD.
    Inventors: Chae Hwan Cho, Chang Seok Lee, Suk Yon Kang, Hye Min Lee, Seung Yoon Baek
  • Patent number: 9436186
    Abstract: A cleaning robot is provided. The cleaning robot includes a main body, a moving assembly to move the main body around a home, an imaging unit to obtain images around the main body, a controller to generate a map of the home using the obtained images, and a communication unit to transmit the generated map to a home monitoring apparatus. A procedure to match location and type information of electric devices to a two-Dimensional (2D) or three-Dimensional (3D) map of the home may be automated. As described above, the map of the home may be realistically generated by utilizing a map generated by the cleaning robot and inconvenience experienced by a user to manually register electric devices located in each room of the home may be solved by automatically registering the electric devices.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: September 6, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hee Jin Oh, Kyung Jae Kim, Hyun Suk Min, Sung Geun Song, Chang Seok Lee, Ho Yeon Lee
  • Patent number: 9432853
    Abstract: Embodiments of the disclosure concern a mobile terminal positioning apparatus, method for establishing wireless LAN information of the apparatus, mobile terminal positioning server, and method for operating the server wherein mobility of access point is determined by using positioning information provided at the request of mobile terminal positioning, updating wireless LAN information in wireless LAN server based on stationary access point to make it available to providing mobile terminal positioning service.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: August 30, 2016
    Assignee: SK TELECOM CO., LTD.
    Inventors: Chae Hwan Cho, Chang Seok Lee, Suk Yon Kang, Hye Min Lee, Seung Yoon Baek
  • Patent number: 9408176
    Abstract: A mobile terminal device for positioning, includes: a wireless local area network (WLAN)/wireless personal area network (WPAN) communication unit to acquire identification information of one or more WLAN/WPAN communication modules of one or more adjacent other terminal devices; a request unit to transmit the identification information of the WLAN/WPAN communication modules to a service server to inquire about service subscription/unsubscription and request location and state information of the adjacent other terminal devices that are service subscribers; and a user interface unit to receive location and state information of the adjacent other terminal devices from the service server and display the location and state information on a screen.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: August 2, 2016
    Assignee: SK TELECOM CO., LTD.
    Inventors: Seung Yoon Baek, Chae Hwan Cho, Hye Min Lee, Chang Seok Lee, Suk Yon Kang, Jong Tae Ihm
  • Patent number: 9337149
    Abstract: Semiconductor devices may include a substrate including an active region defined by a device isolation layer, source/drain regions in the active region, word lines extending in a first direction parallel to the active region and being arranged in a second direction crossing the first direction, a bit line pattern extending in the second direction and crossing over a portion of the active region positioned between the word lines, and a graphene pattern covering at least a portion of the bit line pattern.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: May 10, 2016
    Assignee: Samsung Electronics Co, Ltd.
    Inventors: Dong-Hyun Im, Hyun Park, Soongun Lee, Chang Seok Lee, Sangwon Kim, Seongjun Park, Hyeon Jin Shin, Hanjin Lim
  • Patent number: 9254251
    Abstract: The present invention relates to a novel benzoic acid amide derivative compound, isomers thereof, pharmaceutically acceptable salts thereof, prodrugs thereof, hydrates thereof, or solvates thereof. The novel compound has excellent skin whitening effects.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: February 9, 2016
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Yung Hyup Joo, Heung Soo Baek, Chang Seok Lee, Soo Jeong Choi, Ho Sik Rho, Mi Young Park, Song Seok Shin, Kyung Min Lim, Young Ho Park
  • Publication number: 20160035676
    Abstract: Semiconductor devices may include a substrate including an active region defined by a device isolation layer, source/drain regions in the active region, word lines extending in a first direction parallel to the active region and being arranged in a second direction crossing the first direction, a bit line pattern extending in the second direction and crossing over a portion of the active region positioned between the word lines, and a graphene pattern covering at least a portion of the bit line pattern.
    Type: Application
    Filed: April 8, 2015
    Publication date: February 4, 2016
    Inventors: Dong-Hyun Im, Hyun Park, Soongun Lee, Chang Seok Lee, Sangwon Kim, Seongjun Park, Hyeon Jin Shin, Hanjin Lim
  • Patent number: 9232580
    Abstract: Disclosed herein is a voltage control circuit for a dimmer and a dimming method. In accordance with an embodiment, the dimming method using a voltage control circuit for a dimmer includes the steps of determining whether a current voltage value input to a constant dimming range maintainer is equal to a preset minimum or maximum voltage value or exists between the minimum and maximum voltage values, and determining whether the current voltage value is greater than the maximum voltage value when the current voltage value isn't equal to the minimum or maximum voltage value or doesn't exist between the minimum and maximum voltage values. The method further includes the steps of updating the minimum voltage value to the current voltage value when the current voltage value isn't greater than the maximum voltage value, and updating the maximum voltage value to the current voltage value when the current voltage value is greater than the maximum voltage value.
    Type: Grant
    Filed: January 2, 2014
    Date of Patent: January 5, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yun Joong Lee, Je Hyeon Yu, Chang Seok Lee, Chan Woo Park