Patents by Inventor Yong An Kwon

Yong An Kwon 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).

  • Metallocene compound, catalyst composition comprising the same, and an olefinic polymer produced using the same
    Patent number: 9221922
    Abstract: The present invention relates to a novel metallocene compound, a catalyst composition comprising the same, and to olefinic polymers produced using the same. The metallocene compound according to the present invention and the catalyst composition comprising the same can be used when producing olefinic polymers, have outstanding copolymerization properties, and can produce olefinic polymers of high molecular weight. In particular, when the metallocene compound according to the present invention is employed, highly heat resistant block copolymers can be produced, and olefinic polymers can be produced which have a high melting point (Tm) even if the comonomer content is increased when producing the olefinic polymer.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: December 29, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Yong-Ho Lee, Man-Seong Jeon, Ki-Soo Lee, Heon-Yong Kwon, Min-Seok Cho, Jong-Sang Park, Joon-Hee Cho, Hyeon-Gook Kim, Eun-Kyoung Song, Seon-Kyoung Kim, Dae-Sik Hong
  • Washing machine and washing water supply device
    Patent number: 9217215
    Abstract: Provided is a washing machine including a main body having an opening and a door assembly disposed at the opening, wherein the door assembly includes a door that opens and closes the opening and an auxiliary washing unit having an auxiliary washing space in which hand-washing can be performed, and provided to pivot about one side of the door in an inside of the door. Through this configuration, separated washing spaces can be provided and separate hand-washing can be performed. Also, pressure of washing water supplied into the washing machine can be regulated so that water supply efficiency can be improved and a flow rate of the washing water can be adjusted.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: December 22, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min Hyung Kim, Hyun Mook Kim, Yong Kwon Won, Masato Suzuki, Mitsuhiro Shigeri, Young Sun Shin, Goan Su Jung, Amitoj Singh, Gyu Woo Kim
  • Method for ethylene oligomerization
    Patent number: 9206272
    Abstract: The present invention relates to a method for ethylene oligomerization. According to the method of the present invention, highly active ethylene oligomerization reaction is possible by using a catalyst system including a novel chromium compound exhibiting high activity for ethylene oligomerization reaction, and therefore, polyethylene can be prepared using a small amount of comonomers or using only ethylene without comonomers.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: December 8, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Heon Yong Kwon, Yong Ho Lee, Kyoung-Chan Lim, Ki Soo Lee, Min Seok Cho
  • Washing machine and washing water supply device
    Patent number: 9200399
    Abstract: Provided is a washing machine including a main body having an opening and a door assembly disposed at the opening, wherein the door assembly includes a door that opens and closes the opening and an auxiliary washing unit having an auxiliary washing space in which hand-washing can be performed, and provided to pivot about one side of the door in an inside of the door. Through this configuration, separated washing spaces can be provided and separate hand-washing can be performed. Also, pressure of washing water supplied into the washing machine can be regulated so that water supply efficiency can be improved and a flow rate of the washing water can be adjusted.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: December 1, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min Hyung Kim, Hyun Mook Kim, Yong Kwon Won, Masato Suzuki, Mitsuhiro Shigeri, Young Sun Shin, Goan Su Jung, Amitoj Singh, Gyu Woo Kim
  • LIGAND COMPOUND, ORGANIC CHROMIUM COMPOUND, CATALYST SYSTEM FOR ETHYLENE OLIGOMERIZATION, PREPARATION METHOD THEREOF, AND ETHYLENE OLIGOMERIZATION METHOD USING THE SAME
    Publication number: 20150298110
    Abstract: The present invention relates to a ligand compound, an organic chromium compound, a catalyst system for ethylene oligomerization, a preparation method thereof, and an ethylene oligomerization method using the same. The catalyst system for ethylene oligomerization according to the present invention is used to prepare a low-density polyethylene in one reactor by using a small amount of comonomers such as alpha-olefin or by using only ethylene without comonomers, because it maintains high catalytic activity and high alpha-olefin selectivity even though supported on a support.
    Type: Application
    Filed: April 12, 2013
    Publication date: October 22, 2015
    Inventors: Min-Seok CHO, Yong-Ho LEE, Seok-Pil SA, Heon-Yong KWON, Kyung-Jin CHO, Se-Young KIM, Sung-Min LEE, Ki-So LEE, kyoung-Chan LIM
  • WASHING MACHINE
    Publication number: 20150275413
    Abstract: Provided is a washing machine including an auxiliary washing unit configured with an auxiliary washing space formed separately from a main washing space formed in a rotating tub, and a discharging assembly by which the auxiliary washing space and the main washing space are selectively in communication with each other. Through such a structure, auxiliary washing may be independently performed, and washing efficiency may be enhanced.
    Type: Application
    Filed: June 11, 2015
    Publication date: October 1, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Ho KIM, Chang Yeong Kim, Hyeon Cheol Kim, Goan Su Jung, Min Hyung Kim, Yong Kwon Won
  • SEMICONDUCTOR DEVICES AND METHODS OF FABRICATING THE SAME
    Publication number: 20150279995
    Abstract: Methods of forming a semiconductor device may include forming a fin-type active pattern that extends in a first direction on a substrate, the fin-type active pattern including a lower pattern on the substrate and an upper pattern on the lower pattern. A field insulating layer is formed on the substrate, the sidewalls of the fin-type active pattern, and a portion upper pattern protruding further away from the substrate than a top surface of the field insulating layer. A dummy gate pattern that intersects the fin-type active pattern and that extends in a second direction that is different from the first direction is formed. The methods include forming dummy gate spacers on side walls of the dummy gate pattern, forming recesses in the fin-type active pattern on both sides of the dummy gate pattern and forming source and drain regions on both sides of the dummy gate pattern.
    Type: Application
    Filed: March 26, 2015
    Publication date: October 1, 2015
    Inventors: Shigenobu Maeda, Tae-Yong Kwon, Sang-Su Kim, Jae-Hoo Park
  • WASHING MACHINE
    Publication number: 20150275412
    Abstract: Provided is a washing machine including an auxiliary washing unit configured with an auxiliary washing space formed separately from a main washing space formed in a rotating tub, and a discharging assembly by which the auxiliary washing space and the main washing space are selectively in communication with each other. Through such a structure, auxiliary washing may be independently performed, and washing efficiency may be enhanced.
    Type: Application
    Filed: June 11, 2015
    Publication date: October 1, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Ho KIM, Chang Yeong Kim, Hyeon Cheol Kim, Goan Su Jung, Min Hyung Kim, Yong Kwon Won
  • WASHING MACHINE HAVING A MANUAL WASHING UNIT
    Publication number: 20150267337
    Abstract: Disclosed is a washing machine capable of improving the efficiency of washing and product quality by improving a pivoting structure of a door assembly having a door and an auxiliary washing unit forming an auxiliary washing space. Also, the door and the auxiliary washing unit may be coupled by a locking part so that a user can open and close the door assembly conveniently when manual washing is not needed. When manual washing is needed, the user may release a locked state of the locking part to move the door and the auxiliary washing unit separately.
    Type: Application
    Filed: June 3, 2015
    Publication date: September 24, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min Hyung KIM, Yong Kwon WON, Jun Ho KIM, Hyeon Cheol KIM, Sung Yong EUN, Goan Su JUNG, Young Sun SHIN, Mitsuhiro SHIGERI, Hyun Mook KIM
  • WASHING MACHINE HAVING A MANUAL WASHING UNIT
    Publication number: 20150252508
    Abstract: Disclosed is a washing machine capable of improving the efficiency of washing and product quality by improving a pivoting structure of a door assembly having a door and an auxiliary washing unit forming an auxiliary washing space. Also, the door and the auxiliary washing unit may be coupled by a locking part so that a user can open and close the door assembly conveniently when manual washing is not needed. When manual washing is needed, the user may release a locked state of the locking part to move the door and the auxiliary washing unit separately.
    Type: Application
    Filed: May 19, 2015
    Publication date: September 10, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min Hyung KIM, Yong Kwon WON, Jun Ho KIM, Hyeon Cheol KIM, Sung Yong EUN, Goan Su JUNG, Young Sun SHIN, Mitsuhiro SHIGERI, Hyun Mook KIM
  • WASHING MACHINE AND WASHING WATER SUPPLY DEVICE
    Publication number: 20150247276
    Abstract: Provided is a washing machine including a main body having an opening and a door assembly disposed at the opening, wherein the door assembly includes a door that opens and closes the opening and an auxiliary washing unit having an auxiliary washing space in which hand-washing can be performed, and provided to pivot about one side of the door in an inside of the door. Through this configuration, separated washing spaces can be provided and separate hand-washing can be performed. Also, pressure of washing water supplied into the washing machine can be regulated so that water supply efficiency can be improved and a flow rate of the washing water can be adjusted.
    Type: Application
    Filed: May 15, 2015
    Publication date: September 3, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min Hyung KIM, Hyun Mook KIM, Yong Kwon WON, Masato SUZUKI, Mitsuhiro SHIGERI, Young Sun SHIN, Goan Su JUNG, Amitoj SINGH, Gyu Woo KIM
  • WASHING MACHINE AND WASHING WATER SUPPLY DEVICE
    Publication number: 20150247274
    Abstract: Provided is a washing machine including a main body having an opening and a door assembly disposed at the opening, wherein the door assembly includes a door that opens and closes the opening and an auxiliary washing unit having an auxiliary washing space in which hand-washing can be performed, and provided to pivot about one side of the door in an inside of the door. Through this configuration, separated washing spaces can be provided and separate hand-washing can be performed. Also, pressure of washing water supplied into the washing machine can be regulated so that water supply efficiency can be improved and a flow rate of the washing water can be adjusted.
    Type: Application
    Filed: May 15, 2015
    Publication date: September 3, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min Hyung Kim, Hyun Mook Kim, Yong Kwon Won, Masato Suzuki, Mitsuhiro Shigeri, Young Sun Shin, Goan Su Jung, Amitoj Singh, Gyu Woo Kim
  • WASHING MACHINE AND WASHING WATER SUPPLY DEVICE
    Publication number: 20150247275
    Abstract: Provided is a washing machine including a main body having an opening and a door assembly disposed at the opening, wherein the door assembly includes a door that opens and closes the opening and an auxiliary washing unit having an auxiliary washing space in which hand-washing can be performed, and provided to pivot about one side of the door in an inside of the door. Through this configuration, separated washing spaces can be provided and separate hand-washing can be performed. Also, pressure of washing water supplied into the washing machine can be regulated so that water supply efficiency can be improved and a flow rate of the washing water can be adjusted.
    Type: Application
    Filed: May 15, 2015
    Publication date: September 3, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: MIN HYUNG KIM, HYUN MOOK KIM, YONG KWON WON, MASATO SUZUKI, MITSUHIRO SHIGERI, YOUNG SUN SHIN, GOAN SU JUNG, AMITOJ SINGH, GYU WOO KIM
  • Ligand compound, chromium compound and catalyst system including the same
    Patent number: 9120881
    Abstract: The present invention relates to a ligand compound, a chromium compound, and a catalyst system including the same. The catalyst system including the ligand compound or chromium compound according to the present invention exhibits high catalytic activity in ethylene oligomerization reaction, and therefore, polyethylene can be prepared using a small amount of comonomers or using only ethylene without comonomers.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: September 1, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Heon-Yong Kwon, Yong-Ho Lee, Kyoung-Chan Lim, Ki-Soo Lee, Min-Seok Cho
  • SEMICONDUCTOR DEVICE INCLUDING MULTIPLE NANOWIRE TRANSISTOR
    Publication number: 20150243733
    Abstract: A semiconductor device comprises at least two nanowire patterns over a substrate, wherein the at least two nanowire patterns have increasingly narrower widths as they extend away from the substrate and have different channel impurity concentrations. A gate electrode surrounds at least a part of the at least two nanowire patterns. A gate dielectric film is disposed between the at least two nanowire patterns and the gate electrode.
    Type: Application
    Filed: January 26, 2015
    Publication date: August 27, 2015
    Inventors: Jung-gil YANG, Sang-su KIM, Tae-yong KWON
  • SILICA SUPPORT, PREPARATION METHOD THEREOF AND METALLOCENE CATALYST USING THE SAME
    Publication number: 20150240010
    Abstract: This disclosure relates to a silica support for a metallocene catalyst used for olefin polymerization, a preparation method thereof, a metallocene catalyst using the same, and olefin polymer. Specifically, according to the present invention, a silica support used for preparing a metallocene supported catalyst is treated with a specific halogenized metal compound, thereby diversifying reaction sites to a cocatalyst when preparing a metallocene catalyst, and thus, the molecular weight distribution of produced olefin polymer may be much broadened and polymer having high molecular weight may be obtained compared to the existing support, even if the same metallocene catalyst is supported.
    Type: Application
    Filed: February 5, 2014
    Publication date: August 27, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Dae Sik Hong, Ki Soo Lee, Heon Yong Kwon, Hyeon-Gook Kim, Eun Kyoung Song, Yong Ho Lee
  • ORGANIC LIGHT EMITTING DISPLAY DEVICE
    Publication number: 20150243722
    Abstract: Disclosed herein is an OLED (Organic Light Emitting Display) device. A switching thin-film transistor configured to be an oxide semiconductor thin-film transistor is disposed in a first pixel. A second pixel is adjacent to the first pixel in the direction in which data lines are extended. A switching thin-film transistor configured to be an LTPS (Low Temperature Poly-Silicon) thin-film transistor is disposed in the second pixel. The switching thin-film transistor of the first pixel and the switching thin-film transistor of the second pixel are connected to the same gate line. A pixel and another pixel adjacent to the pixel connected to a gate line in common, so that it is possible to provide an OLED device with high aperture ratio and high resolution.
    Type: Application
    Filed: February 25, 2015
    Publication date: August 27, 2015
    Inventors: Hoi Yong KWON, Joon Suk LEE, Eui Tae KIM, Sung Hee PARK, Ki Seob SHIN
  • METAL-OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR, METHOD OF FABRICATING THE SAME, AND SEMICONDUCTOR APPARATUS INCLUDING THE SAME
    Publication number: 20150228730
    Abstract: Example embodiments relate to a metal-oxide semiconductor field effect transistor (MOSFET) of a high performance operating with a necessary threshold voltage while including a channel region formed based on a group III-V compound, and a method of manufacturing the MOSFET. The MOSFET includes a substrate, a semiconductor layer including a group III-V compound on the substrate, and a gate structure disposed on the semiconductor layer, and including a gate electrode formed based on metal and undergone an ion implantation process.
    Type: Application
    Filed: January 26, 2015
    Publication date: August 13, 2015
    Inventors: Jung-gil YANG, Tae-yong KWON, Xingui ZHANG, Sang-su KIM
  • Teething ring for infant
    Patent number: D739033
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: September 15, 2015
    Assignee: PUTTI ATTI CO., LTD.
    Inventor: Yong Kwon Lee
  • Teething ring for infant
    Patent number: D739034
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: September 15, 2015
    Assignee: PUTTI ATTI CO., LTD.
    Inventor: Yong Kwon Lee