Patents by Inventor Jeong Sik Han

Jeong Sik Han 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: 20240115545
    Abstract: The present invention relates to a pharmaceutical composition containing ?-lapachone as an active ingredient for prevention or treatment of cholestatic liver disease, and can provide agents for effectively preventing and treating cholestatic liver disease.
    Type: Application
    Filed: October 6, 2021
    Publication date: April 11, 2024
    Applicant: CUROME BIOSCIENCES CO., LTD.
    Inventors: Joo Seog YOON, Kang Sik SEO, Jeong Su HAN, Sung Je MOON, Jung Hoon LEE, Soo Bin YOON
  • Patent number: 11942762
    Abstract: A surface-emitting laser device according to an embodiment comprises: a first electrode; a substrate arranged on the first electrode; a first reflection layer arranged on the substrate; an active region arranged on the first reflection layer and including a cavity; an opening region arranged on the active region and including an aperture and an insulation region; a second reflection layer arranged on the opening region; a second electrode arranged on the second reflection layer; and a delta doping layer arranged in the opening region. The thickness of the insulation region becomes thinner in the direction of the aperture, and the delta doping layer can be arranged at the aperture.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: March 26, 2024
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Jeong Sik Lee, Sang Heon Han, Keun Uk Park, Yeo Jae Yoon
  • Publication number: 20230182332
    Abstract: Disclosed is a nasal hair trimmer which removes a large amount of nose hair by safely inserting the nasal hair trimmer into a nostril using only a small number of operations. The nasal hair trimmer includes two cutting plates, each including two or three cutting heads and having a size capable of entering a nostril, wherein the two cutting plates are connected to each other by a shaft pin so as to swing while overlapping each other in a state of being parallel to each other, and wherein, when the cutting heads of the two cutting plates swing relative to each other, cutting heads neighboring each other are moved toward each other so as to cut nose hair.
    Type: Application
    Filed: December 28, 2021
    Publication date: June 15, 2023
    Applicant: BOCAS CO, LTD
    Inventor: Jeong Sik HAN
  • Patent number: 9045258
    Abstract: Disclosed is a pack. The pack includes a pack body in which fluid is receivable, a plug affixed to an inner surface of the pack body, a portion of the plug being configured to protrude outward from the pack body, the plug having a discharge opening perforated therein, a lid located at one side of the plug to close the discharge opening, and an elastic member located at one side of the plug to impart elasticity to the lid in a direction of closing the discharge opening.
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: June 2, 2015
    Inventor: Jeong Sik Han
  • Patent number: 8726516
    Abstract: The present invention is related to a method for manufacturing a blade body of a nail clipper having a 3-dimensional inclined curve-type blade, including steps of forming an inclined curve with a curvature Ra using a boundary line which is formed when the periphery of grinding media with a radius Rg in an upright position is merged with an upper inclined surface having a predetermined angle ?1 with respect to a vertical line, forming a lower inclined surface by extending the inclined curve downward at an angle ?2 corresponding to the angle ?1, forming blade bodies using the upper and lower inclined surfaces to be inner inclined surfaces of the blade bodies, and grinding the ends of the upper and lower inclined surfaces simultaneously via grinding media with the radius Rg, whereby forming upper and lower 3-dimensional inclined curve-type blades with the curvature Ra, respectively.
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: May 20, 2014
    Inventors: Jeong Sik Han, Gyoung Hee Kim
  • Publication number: 20130213970
    Abstract: Disclosed is a dual pack. The dual pack includes a main body having an air pore for passage of air, a storage body configured to receive content therein, the storage body being located within the main body, and a water entrance/exit member configured to penetrate the main body and be connected to the interior of the storage body. The main body and the storage body are flexible, and an inner surface of the main body is separated from an outer surface of the storage body.
    Type: Application
    Filed: May 9, 2011
    Publication date: August 22, 2013
    Inventors: Jeong Sik Han, Hyun Sook Moon
  • Publication number: 20130101238
    Abstract: Disclosed is a pack. The pack includes a pack body in which fluid is receivable, a plug affixed to an inner surface of the pack body, a portion of the plug being configured to protrude outward from the pack body, the plug having a discharge opening perforated therein, a lid located at one side of the plug to close the discharge opening, and an elastic member located at one side of the plug to impart elasticity to the lid in a direction of closing the discharge opening.
    Type: Application
    Filed: April 4, 2011
    Publication date: April 25, 2013
    Inventor: Jeong Sik Han
  • Publication number: 20120210583
    Abstract: The present invention is related to a method for manufacturing a blade body of a nail clipper having a 3-dimensional inclined curve-type blade, including steps of forming an inclined curve with a curvature Ra using a boundary line which is formed when the periphery of grinding media with a radius Rg in an upright position is merged with an upper inclined surface having a predetermined angle ?1 with respect to a vertical line, forming a lower inclined surface by extending the inclined curve downward at an angle ?2 corresponding to the angle ?1, forming blade bodies using the upper and lower inclined surfaces to be inner inclined surfaces of the blade bodies, and grinding the ends of the upper and lower inclined surfaces simultaneously via grinding media with the radius Rg, whereby forming upper and lower 3-dimensional inclined curve-type blades with the curvature Ra, respectively.
    Type: Application
    Filed: March 16, 2012
    Publication date: August 23, 2012
    Inventors: Jeong Sik HAN, Gyoung Hee Kim
  • Patent number: 8001692
    Abstract: Embodiments of the invention provide a nail clipper. The nail clipper comprises upper and lower blade members with a suitable length to hold by hand which face each other and form inner concave parts of the spoon shape; cutting blades that face each other at one end of the concave part; support shaft holes to the cutting blades; elastic parts extended to one side of each of the concave parts, which are joined at the end to consolidate the upper and lower blade members; and a lever located above the upper blade member and connected through upper and lower blade members via the supporting shaft.
    Type: Grant
    Filed: July 31, 2007
    Date of Patent: August 23, 2011
    Inventors: Jeong Sik Han, Gyoung Hee Kim
  • Publication number: 20090000122
    Abstract: The present invention relates to a method of manufacturing arc type blades for a nail clipper, which corresponds to a curved surface of a finger nail, arc type blades and a nail clipper manufactured by the same.
    Type: Application
    Filed: January 10, 2007
    Publication date: January 1, 2009
    Inventors: Jeong Sik Han, Gyoung Hee Kim
  • Publication number: 20080313908
    Abstract: Embodiments of the invention provide a nail clipper. The nail clipper comprises upper and lower blade members with a suitable length to hold by hand which face each other and form inner concave parts of the spoon shape; cutting blades that face each other at one end of the concave part; support shaft holes to the cutting blades; elastic parts extended to one side of each of the concave parts, which are joined at the end to consolidate the upper and lower blade members; and a lever located above the upper blade member and connected through upper and lower blade members via the supporting shaft.
    Type: Application
    Filed: July 31, 2007
    Publication date: December 25, 2008
    Inventors: Jeong Sik Han, Gyoung Hee Kim
  • Patent number: 7020964
    Abstract: A nail clipper of the invention comprises a nail clipper body having a rigidity and a suitable length to grip, and a lever mounted on an upper side of the body and a nail cutter mounted on a lower side of the body through a supporting shaft passing through a supporting shaft hole formed in one side end of the body. When a user grips the cutter, and rotates the cutter centering around the supporting shaft according to using direction, the cutter is rotated at a time within a range of 360° without interference of an obstacle to cut the nail at the desired angle.
    Type: Grant
    Filed: December 10, 2003
    Date of Patent: April 4, 2006
    Inventors: Jeong Sik Han, Gyoung Hee Kim
  • Publication number: 20040111893
    Abstract: A nail clipper of the invention comprises a nail clipper body having a rigidity and a suitable length to grip, and a lever mounted on an upper side of the body and a nail cutter mounted on a lower side of the body through a supporting shaft passing through a supporting shaft hole formed in one side end of the body. When a user grips the cutter, and rotates the cutter centering around the supporting shaft according to using direction, the cutter is rotated at a time within a range of 360° without interference of an obstacle to cut the nail at the desired angle.
    Type: Application
    Filed: December 10, 2003
    Publication date: June 17, 2004
    Inventors: Jeong Sik Han, Gyoung Hee Kim
  • Patent number: 5747500
    Abstract: Novel 2,4-pyrimidinedione compounds, and pharmaceutically acceptable salts thereof which possess good antiviral activities, and specifically represented by the following formula(I): ##STR1## wherein: R.sup.1 represents an unsubstituted or substituted allyl group represented by CH.sub.2 CH.dbd.CR.sup.5 R.sup.6 or an unsubstituted or substituted propargyl group represented by CH.sub.2 C.tbd.CR.sup.7 wherein R.sup.5, R.sup.6 and R.sup.7 are each independently a hydrogen atom; a methyl group optionally substituted with a halogen atom, or a C.sub.1-10 carbonyloxy, hydroxy, azido, cyano, optionally substituted amino, optionally substituted phosphonyl, optionally substituted phenyl, C.sub.3-10 heteroaryl, C.sub.1-3 alkoxy or benzyloxy radical; a C.sub.2-10 alkyl or alkenyl group; a cyclopropyl group; an optionally substituted phenyl group; a C.sub.3-10 heteroaryl group; a C.sub.1-10 ester group; or an optionally substituted C.sub.1-10 alkylamide group;R.sup.2 represents a halogen atom, an optionally substituted C.
    Type: Grant
    Filed: June 18, 1996
    Date of Patent: May 5, 1998
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Jong-Chan Son, III-Young Lee, Byung-II Bae, Jeong-Sik Han, Joong-Kwon Choi, Yung-Bok Chae
  • Patent number: D547006
    Type: Grant
    Filed: June 16, 2005
    Date of Patent: July 17, 2007
    Assignee: Bocas Inc.
    Inventors: Jeong Sik Han, Gyoung Hee Kim
  • Patent number: D593712
    Type: Grant
    Filed: May 13, 2008
    Date of Patent: June 2, 2009
    Inventors: Jeong Sik Han, Gyoung Hee Kim