Patents by Inventor Nam-Su Kim
Nam-Su Kim 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: 12151939Abstract: The present disclosure relates to a carbon nanotube fiber having improved physical properties and a method for manufacturing the same. The method according to the present disclosure comprises the steps of: spinning carbon nanotubes with a purity of 90% by weight or more to obtain a first carbon nanotube fiber; and heat-treating the first carbon nanotube fiber at 500 to 3,000° C. under an inert gas atmosphere to obtain a second carbon nanotube fiber, wherein the second carbon nanotube fiber has a density of 1.0 to 2.5 g/cm3.Type: GrantFiled: July 28, 2021Date of Patent: November 26, 2024Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Bon Cheol Ku, Jun Yeon Hwang, Hyeon Su Jeong, Nam Ho You, Nam Dong Kim, Dae Yoon Kim, Dong Ju Lee, Seo Gyun Kim, Seung Ki Hong, Seung Woo Ryu
-
Publication number: 20240351671Abstract: A port monitoring system including: a port environment detection unit in which it is important to monitor the accurate position and posture of ships, especially large ships, in a port (or harbor), and which monitors the position and status of fenders in the port, and measures the environmental conditions of the port and thus generates port environment information to integrally manage ships and fenders in order to efficiently manage the port; a ship monitoring unit which is included in a ship and generates ship information of the ship; a fender monitoring unit which is included in a fender and generates fender information of the fender; a network; and a port management unit.Type: ApplicationFiled: March 29, 2024Publication date: October 24, 2024Applicant: HWASEUNG CORPORATION CO., LTD.Inventors: SEUNG PYO HONG, JIN MIN YOUN, SANG SU BAE, YU JIN JO, JIN HYUNG PARK, NAM WOO KIM
-
Publication number: 20240352627Abstract: Disclosed are a composition for an organic optoelectronic device including at least one kind of a first host compound represented by the Chemical Formula 1 and at least one kind of a second host compound represented by the Chemical Formula 2, and an organic optoelectronic device and a display device including the composition.Type: ApplicationFiled: July 1, 2024Publication date: October 24, 2024Inventors: Jae-Jin OH, Gi-Wook Kang, Eui-Su Kang, Youn-Hwan Kim, Hun Kim, Yong-Tak Yang, Eun-Sun Yu, Nam-Heon Lee, Han-Ill Lee, Pyeong-Seok Cho
-
Publication number: 20240344378Abstract: A bidirectionally openable console includes side lid portions, a center lid portion positioned between the side lid portions, a first button unit positioned at a front end of the center lid portion, a second button unit positioned at a rear end of the center lid portion, and rotary units configured to be respectively rotated by movement of the first and second button units. The console further includes: fastening units, each of which is constructed such that, when an opening request input is applied to a corresponding button unit, a corresponding rotary unit is rotated to retract a central shaft portion into the center lid portion; hinge units, each of which is rotated together with the center lid portion when the center lid portion is opened, and locking units, each of which restricts movement of the fastening unit when the center lid portion is closed.Type: ApplicationFiled: September 22, 2023Publication date: October 17, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DAYOU EP CO., LTD.Inventors: Jung Hoon Woo, Dae Hee Lee, Hong Sik Chang, Hye Kyung Kim, Kwan Woo Lee, Sang Jin Joung, Kyoung Sik Kim, Seol Wan Park, Nam Su Park, Hong Kil Noh
-
Publication number: 20240322995Abstract: Disclosed herein is a method and apparatus for stateful order-preserving encryption for enhancing security. The method includes generating an order-preserving ciphertext by performing order-preserving encryption on a plaintext, generating a plurality of dummy ciphertexts corresponding to a preset variable for the order-preserving ciphertext, and adding the order-preserving ciphertext and the plurality of dummy ciphertexts to a ciphertext set.Type: ApplicationFiled: January 16, 2024Publication date: September 26, 2024Inventors: Nam-Su JHO, Ju-Young KIM, Sung-Jin YU, Young-Kyung LEE
-
Patent number: 12095908Abstract: Disclosed herein are a key generation apparatus and method based on machine learning. The key generation method includes generating, by first and second key generation apparatuses, first and second commit values, and uploading the first commit value and the second commit value to an external repository, training, by the first and second key generation apparatuses, a neural network so as to match weight values with each other, sharing, by the first and second key generation apparatuses, the first and second commit values with each other, comparing shared first and second commit values with uploaded commit values, and then verifying the commit values, and when verification of the commit values has succeeded, generating, by the first and second key generation apparatuses, hash values using the matched weight value, verifying whether the hash values are identical to each other, and generating a session secret key based on a result of verification.Type: GrantFiled: November 4, 2021Date of Patent: September 17, 2024Assignee: Electronics and Telecommunications Research InstituteInventors: Nam-Su Jho, Ju-Young Kim, Ku-Young Chang
-
Publication number: 20240246837Abstract: Provided is a wastewater purification method, the method including: supplying a first mixed stream, in which an acid component and wastewater including water, a nitrile-based monomer, and ammonia are mixed, to a first column; recovering the nitrile-based monomer from an upper discharge stream from the first column; supplying a second mixed stream, in which a lower discharge stream from the first column and a base component are mixed, to a second column; and recovering the ammonia from an upper discharge stream from the second column and separating purified wastewater.Type: ApplicationFiled: July 1, 2022Publication date: July 25, 2024Applicants: LG Chem, Ltd., LG Chem, Ltd.Inventors: Suk Yung Oh, Yong Heon Cho, Jung Su Han, Jun Seok Ko, Nam Young Yoon, Sung Hwan Kim
-
Patent number: 11744056Abstract: Disclosed are a housing for receiving an electronic device and an electronic system having the same. The electronic system includes a case having lower and upper cases detachably combined with the lower case, a circuit board arranged in an inner space of the case and secured to the lower case such that at least a grounding line and at least a connection line are provided with the circuit board, a plurality of devices arranged on the circuit board such that each device is separated from one another by the grounding line and is connected with one another by the connection line, and at least an electromagnetic shielding member embedded onto the upper case such that the electromagnetic shielding member is in contact with the grounding line around the device to provide a shielding space receiving the device. The device is protected from unexpected electromagnetic waves by the electromagnetic shielding member.Type: GrantFiled: May 14, 2021Date of Patent: August 29, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hee-Won Kang, Nam-Su Kim, In-Hyuk Ko, Eun-Ji Moon
-
Patent number: 11466618Abstract: The present invention provides a direct-fired supercritical carbon dioxide power generation system and a power generation method thereof, the system comprising: a combustor for burning hydrocarbon fuel and oxygen; a turbine driven by combustion gas discharged from the combustor; a heat exchanger for cooling combustion gas discharged after driving the turbine, by heat exchange with combustion gas recycled and supplied to the combustor; and an air separation unit for separating air to produce oxygen, wherein a portion of the combustion gas discharged after driving the turbine is branched before being introduced to the heat exchanger and is supplied to the air separation unit.Type: GrantFiled: September 30, 2019Date of Patent: October 11, 2022Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Dae-Keun Lee, Dong-Soon Noh, Chang-Bog Ko, Young-Tae Guahk, Seung-Gon Kim, Min-Jung Lee, Eun-Kyung Lee, Woo-Nam Jung, Nam-Su Kim
-
Publication number: 20210404381Abstract: The present invention provides a direct-fired supercritical carbon dioxide power generation system and a power generation method thereof, the system comprising: a combustor for burning hydrocarbon fuel and oxygen; a turbine driven by combustion gas discharged from the combustor; a heat exchanger for cooling combustion gas discharged after driving the turbine, by heat exchange with combustion gas recycled and supplied to the combustor; and an air separation unit for separating air to produce oxygen, wherein a portion of the combustion gas discharged after driving the turbine is branched before being introduced to the heat exchanger and is supplied to the air separation unit.Type: ApplicationFiled: September 30, 2019Publication date: December 30, 2021Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Dae-Keun LEE, Dong-Soon NOH, Chang-Bog KO, Young-Tae GUAHK, Seung-Gon KIM, Min-Jung LEE, Eun-Kyung LEE, Woo-Nam JUNG, Nam-Su KIM
-
Publication number: 20210274691Abstract: Disclosed are a housing for receiving an electronic device and an electronic system having the same. The electronic system includes a case having lower and upper cases detachably combined with the lower case, a circuit board arranged in an inner space of the case and secured to the lower case such that at least a grounding line and at least a connection line are provided with the circuit board, a plurality of devices arranged on the circuit board such that each device is separated from one another by the grounding line and is connected with one another by the connection line, and at least an electromagnetic shielding member embedded onto the upper case such that the electromagnetic shielding member is in contact with the grounding line around the device to provide a shielding space receiving the device. The device is protected from unexpected electromagnetic waves by the electromagnetic shielding member.Type: ApplicationFiled: May 14, 2021Publication date: September 2, 2021Applicant: Samsung Electronics Co., Ltd.Inventors: Hee-Won KANG, Nam-Su KIM, In-Hyuk KO, Eun-Ji MOON
-
Patent number: 11026355Abstract: Disclosed are a housing for receiving an electronic device and an electronic system having the same. The electronic system includes a case having lower and upper cases detachably combined with the lower case, a circuit board arranged in an inner space of the case and secured to the lower case such that at least a grounding line and at least a connection line are provided with the circuit board, a plurality of devices arranged on the circuit board such that each device is separated from one another by the grounding line and is connected with one another by the connection line, and at least an electromagnetic shielding member embedded onto the upper case such that the electromagnetic shielding member is in contact with the grounding line around the device to provide a shielding space receiving the device. The device is protected from unexpected electromagnetic waves by the electromagnetic shielding member.Type: GrantFiled: June 18, 2019Date of Patent: June 1, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Hee-Won Kang, Nam-Su Kim, In-Hyuk Ko, Eun-Ji Moon
-
Patent number: 10903704Abstract: A fan motor for an air conditioner includes a rotor shaft, a plurality of rotor cores arranged in a circumferential direction about a center of the rotor shaft, a bridge configured to couple the rotor cores, permanent magnets coupled to the plurality of rotor cores, and an insert-injected rotor body provided in a space formed through the rotor shaft, the rotor cores, the bridge, and the permanent magnets. A cable holder for the fan motor includes an upper cable holder in which a plurality of protrusion walls are formed downwardly, a lower cable holder in which a plurality of guide walls coupled between the plurality of protrusion walls are formed upwardly, and a soldering land which is formed in a lower portion of the lower cable holder and upon which a wire can be soldered.Type: GrantFiled: March 28, 2017Date of Patent: January 26, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin-woo Cho, Nam-su Kim, Uk-ho Seo, Jong-jun Seo, Ji-hoon Han, Min-woo Hong, Woong Hwang
-
Patent number: 10747246Abstract: A power supply circuit includes a first comparator, a second comparator, a first voltage regulator, an output terminal, a first path and a second path. The first comparator compares a first input voltage with a first reference voltage to generate a first control signal. The second comparator compares a second input voltage with the first reference voltage to generate a second control signal. A voltage level of the second input voltage is different from a voltage level of the first input voltage. The first voltage regulator is selectively enabled based on the first control signal and the second control signal, and generates a first voltage based on the first input voltage. A voltage level of the first voltage is substantially the same as the voltage level of the second input voltage. The output terminal is configured to output one of the second input voltage and the first voltage as a power supply voltage. The first path directly provides the first input voltage to the first voltage regulator.Type: GrantFiled: August 26, 2019Date of Patent: August 18, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Hee-Won Kang, In-Hyuk Go, Nam-Su Kim, Eun-Ji Moon, Jae-Sang Yun
-
Publication number: 20200196495Abstract: Disclosed are a housing for receiving an electronic device and an electronic system having the same. The electronic system includes a case having lower and upper cases detachably combined with the lower case, a circuit board arranged in an inner space of the case and secured to the lower case such that at least a grounding line and at least a connection line are provided with the circuit board, a plurality of devices arranged on the circuit board such that each device is separated from one another by the grounding line and is connected with one another by the connection line, and at least an electromagnetic shielding member embedded onto the upper case such that the electromagnetic shielding member is in contact with the grounding line around the device to provide a shielding space receiving the device. The device is protected from unexpected electromagnetic waves by the electromagnetic shielding member.Type: ApplicationFiled: June 18, 2019Publication date: June 18, 2020Applicant: Samsung Electronics Co., Ltd.Inventors: Hee-Won KANG, Nam-Su KIM, ln-Hyuk KO, Eun-Ji MOON
-
Publication number: 20190377375Abstract: A power supply circuit includes a first comparator, a second comparator, a first voltage regulator, an output terminal, a first path and a second path. The first comparator compares a first input voltage with a first reference voltage to generate a first control signal. The second comparator compares a second input voltage with the first reference voltage to generate a second control signal. A voltage level of the second input voltage is different from a voltage level of the first input voltage. The first voltage regulator is selectively enabled based on the first control signal and the second control signal, and generates a first voltage based on the first input voltage. A voltage level of the first voltage is substantially the same as the voltage level of the second input voltage. The output terminal is configured to output one of the second input voltage and the first voltage as a power supply voltage. The first path directly provides the first input voltage to the first voltage regulator.Type: ApplicationFiled: August 26, 2019Publication date: December 12, 2019Inventors: Hee-Won Kang, In-Hyuk Go, Nam-Su Kim, Eun-Ji Moon, Jae-Sang YUN
-
Patent number: 10437272Abstract: A power supply circuit includes a first comparator, a second comparator, a first voltage regulator, an output terminal, a first path and a second path. The first comparator compares a first input voltage with a first reference voltage to generate a first control signal. The second comparator compares a second input voltage with the first reference voltage to generate a second control signal. A voltage level of the second input voltage is different from a voltage level of the first input voltage. The first voltage regulator is selectively enabled based on the first control signal and the second control signal, and generates a first voltage based on the first input voltage. A voltage level of the first voltage is substantially the same as the voltage level of the second input voltage. The output terminal is configured to output one of the second input voltage and the first voltage as a power supply voltage. The first path directly provides the first input voltage to the first voltage regulator.Type: GrantFiled: March 26, 2018Date of Patent: October 8, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Hee-Won Kang, In-Hyuk Go, Nam-Su Kim, Eun-Ji Moon, Jae-Sang Yun
-
Patent number: 10362914Abstract: Disclosed herein are a cleaner and a control method thereof. The control method of the cleaner includes: supplying predetermined rearrangement power to a motor for a predetermined time period; detecting a position of a rotor using a hall sensor; and supplying start-up power according to the detected position of the rotor.Type: GrantFiled: January 12, 2015Date of Patent: July 30, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Nam Su Kim, Wook Jin Lee, Bu Mun Jung, Young Kwan Kim
-
Patent number: D847128Type: GrantFiled: March 10, 2016Date of Patent: April 30, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Nam-Su Kim, Do-Hyung Ha, Sae-Hee Lee, Hyun-Sook Kim
-
Patent number: D877109Type: GrantFiled: April 19, 2017Date of Patent: March 3, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Nam-Su Kim, Do-Hyung Ha, Sae-Hee Lee, Hyun-Sook Kim, Christine Rhea Oh