Patents by Inventor Sung Wan Lee

Sung Wan 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).

  • Publication number: 20240095484
    Abstract: Proposed is a dual band RFID tag including a first rectifier configured to receive and rectify a first RF signal modulated at a first frequency, a first regulator configured to regulate an output voltage of the first rectifier, a second rectifier configured to receive and rectify a second RF signal modulated at a second frequency, a second regulator configured to regulate an output voltage of the second rectifier, a voltage distributor connected to a first node and a ground in a state of being positioned therebetween, the output terminal of the first rectifier and the output terminal of the second rectifier being both connected to the first node, a multiplexer configured to output any one of an analog detection signal output from a sensor and an output signal of the voltage distributor, in response to a first selection signal or a second selection signal, and an analog-to-digital converter configured to receive as an operating voltage a voltage of a second node to which an output terminal of the first regulat
    Type: Application
    Filed: April 26, 2023
    Publication date: March 21, 2024
    Inventors: Sung Wan KIM, Pyeong Han LEE, Kwang Beom PARK, Sung Hun CHUN, Chang Ho RYU
  • Publication number: 20240075028
    Abstract: Provided is a pharmaceutical composition comprising as active ingredients: 5 mg of tadalafil or a pharmaceutically acceptable salt thereof; and 0.5 mg of dutasteride or a pharmaceutically acceptable salt thereof, wherein the dissolution rate of tadalafil under the dissolution conditions of a paddle rate of 50 rpm in 500 mL of a dissolution solution having a pH of 1.2 and containing 0.25% of SLS is 60-75% after 5 minutes and 80% or more after 30 minutes, and the dissolution rate of dutasteride under the dissolution conditions of a paddle rate of 50 rpm in 500 mL of a dissolution solution containing water and 0.1% of SLS is 50% or more after 15 minutes and 85% or more after 30 minutes.
    Type: Application
    Filed: December 30, 2021
    Publication date: March 7, 2024
    Inventors: Ye Ri LEE, Sung Hoon JUN, Jong Sil KIM, Kye Wan LEE
  • Patent number: 10046199
    Abstract: A masticatory muscle exercise device has an upper mouthpiece, a lower mouthpiece and at least one elastic member elastically connecting the upper and lower mouthpieces. A counter is cooperative with the upper and lower mouthpieces so as to sense a number of times that the upper and lower mouthpieces move toward or away from each other. The counter has a magnet mounted on one of the upper and lower mouthpieces and a Hall sensor on the other of the upper and lower mouthpieces.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: August 14, 2018
    Assignee: HI-FEEL WORLD CO., LTD.
    Inventor: Sung Wan Lee
  • Publication number: 20170340571
    Abstract: Disclosed are: a composition for forming a complex; a complex formed therefrom; and a composition for oral ingestion, containing the same. The disclosed composition for forming a complex contains a cellulose-based compound, a polyphenolic compound, a gelling agent, and a solvent.
    Type: Application
    Filed: May 8, 2015
    Publication date: November 30, 2017
    Inventors: Jae Uk CHA, Sung Wan LEE
  • Patent number: 9820830
    Abstract: An orthopedic appliance for a temporomandibular joint, includes: an upper teeth supporter and a lower teeth supporter, each of which includes a front arch portion corresponding to front teeth, and a pair of rear legs extended from the front arch portion, facing with each other and corresponding to a molar region; at least one set of upper and lower pivots which are respectively coupled to the upper teeth supporter and the lower teeth supporter and rotatable in at least one direction among forward, backward, leftward and rightward directions; and a connection member which connects the upper pivot and the lower pivot and adjusts a space between the upper pivot and the lower pivot. Thus, it is easy to adjust relative movement in a horizontal direction and height between the upper and lower teeth supporters.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: November 21, 2017
    Assignee: HI-FEEL WORLD CO., LTD
    Inventor: Sung-wan Lee
  • Publication number: 20170239516
    Abstract: Disclosed is a masticatory muscle exercise device. The masticatory muscle exercise device includes: an upper mouthpiece; a lower mouthpiece; and at least one elastic member applying elasticity to the upper mouthpiece and the lower mouthpiece. According to the masticatory muscle exercise device, a user can strengthen his/her masticatory muscles by actively exercising.
    Type: Application
    Filed: February 24, 2016
    Publication date: August 24, 2017
    Inventor: Sung Wan LEE
  • Patent number: 9603933
    Abstract: A composition for enteric hard capsules, and an enteric hard capsule prepared using the composition. The composition for enteric hard capsules may include polyol having at least three hydroxyl groups. During the storage of the enteric hard capsule prepared using the composition, the separation of salt from the capsule is delayed.
    Type: Grant
    Filed: February 21, 2011
    Date of Patent: March 28, 2017
    Assignee: LOTTE FINE CHEMICAL CO., LTD.
    Inventors: Jin Ryul Son, Hyon Ho Baek, Eun Hee Park, Sung Wan Lee, Min Gyu Song, Ja Hyun Cha, Jae Uk Cha, Won Hwa Ko
  • Publication number: 20170027194
    Abstract: A functional beverage is disclosed. The disclosed functional beverage comprises a mother liquor and a liquid additive, wherein the liquid additive comprises a poorly water-soluble natural product, an edible surfactant, an edible cosurfactant, and edible oil.
    Type: Application
    Filed: July 11, 2014
    Publication date: February 2, 2017
    Inventors: Ja Hyun CHA, Hyun Woo LEE, Eun Jung LEE, Jun Kee HONG, Sung Wan LEE, Won Hwa KO
  • Patent number: 9555121
    Abstract: Provide are a composition for forming a composite, the composition including a cellulose-based compound, a polyphenol-based compound, and a solvent, wherein an amount of the polyphenol-based compound is 1 to 40 parts by weight based on 100 parts by weight of the cellulose-based compound, a composite formed from the composition, and an orally ingestible composition including the composite. The composite has characteristics of being dissolved in a solvent in a various pH ranges depending on a mixing ratio of the cellulose-based compound and the polyphenol-based compound. Therefore, when the composite is used, a composite film may be easily prepared, and the composite film may be useful in medical or foods fields where film characteristics dependent on pH is required.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: January 31, 2017
    Assignee: LOTTE FINE CHEMICAL CO., LTD.
    Inventors: Sung Wan Lee, Jae Uk Cha, Jun Kee Hong, Hyon Ho Baek
  • Publication number: 20160309772
    Abstract: Disclosed are an enteric coating composition, an enteric coating film, and a food formulation. The disclosed enteric coating composition comprises an enteric cellulose-based compound, a pH controlling agent, a plasticizer for food, and a solvent, wherein the plasticizer for food comprises acetylated monoglyceride, triacetin, or a mixture thereof, and a content of the pH controlling agent and a content of the plasticizer for food ranges respectively from 10 parts to 40 parts by weight and from 5 parts to 25 parts by weight on the basis of 100 parts by weight of the enteric cellulose-based compound.
    Type: Application
    Filed: July 11, 2014
    Publication date: October 27, 2016
    Applicant: Lotte Fine Chemical Co., Ltd.
    Inventors: Jae Uk CHA, Sung Wan LEE, Jun Kee HONG, Ja Hyun CHA, Won Hwa KO
  • Publication number: 20150342901
    Abstract: Disclosed are a composition containing a natural polyphenolic compound and an orally ingestible composition including the composition containing a natural polyphenolic compound. The composition containing a natural polyphenolic compound may include a poorly water-soluble natural polyphenolic compound (PSNPPC) and saponin.
    Type: Application
    Filed: July 22, 2013
    Publication date: December 3, 2015
    Inventors: Won Hwa KO, Hyon Ho BAEK, Jun Kee HONG, Sung Wan LEE, Ja Hyun CHA
  • Publication number: 20150335755
    Abstract: Provide are a composition for forming a composite, the composition including a cellulose-based compound, a polyphenol-based compound, and a solvent, wherein an amount of the polyphenol-based compound is 1 to 40 parts by weight based on 100 parts by weight of the cellulose-based compound, a composite formed from the composition, and an orally ingestible composition including the composite. The composite has characteristics of being dissolved in a solvent in a various pH ranges depending on a mixing ratio of the cellulose-based compound and the polyphenol-based compound. Therefore, when the composite is used, a composite film may be easily prepared, and the composite film may be useful in medical or foods fields where film characteristics dependent on pH is required.
    Type: Application
    Filed: December 10, 2013
    Publication date: November 26, 2015
    Inventors: Sung Wan LEE, Jae Uk CHA, Jun Kee HONG, Hyon Ho BAEK
  • Publication number: 20150282900
    Abstract: An orthopedic appliance for a temporomandibular joint, includes: an upper teeth supporter and a lower teeth supporter, each of which includes a front arch portion corresponding to front teeth, and a pair of rear legs extended from the front arch portion, facing with each other and corresponding to a molar region; at least one set of upper and lower pivots which are respectively coupled to the upper teeth supporter and the lower teeth supporter and rotatable in at least one direction among forward, backward, leftward and rightward directions; and a connection member which connects the upper pivot and the lower pivot and adjusts a space between the upper pivot and the lower pivot. Thus, it is easy to adjust relative movement in a horizontal direction and height between the upper and lower teeth supporters.
    Type: Application
    Filed: June 18, 2015
    Publication date: October 8, 2015
    Inventor: Sung-wan Lee
  • Publication number: 20150282509
    Abstract: A food composition and a soft capsule including the same are disclosed. The disclosed food composition includes 100 parts by weight of a poorly water-soluble natural product, 400 to 8,000 parts by weight of an edible surfactant, 40 to 2,500 parts by weight of an edible cosurfactant, and 40 to 1,500 parts by weight of an edible oil, and has water dispersibility or water solubility.
    Type: Application
    Filed: December 3, 2013
    Publication date: October 8, 2015
    Inventors: Ja Hyun Cha, Hyon Ho Baek, Jun Kee Hong, Sung Wan Lee, Won Hwa Ko
  • Patent number: 9044406
    Abstract: An aqueous composition for an enteric hard capsule, a method of preparing an enteric hard capsule, and an enteric hard capsule prepared using the method. The aqueous composition for an enteric hard capsule includes an enteric base material, a capsule forming aid, and a neutralizing agent.
    Type: Grant
    Filed: October 13, 2009
    Date of Patent: June 2, 2015
    Assignee: SAMSUNG FINE CHEMICALS CO., LTD.
    Inventors: Jin Ryul Son, Hyon Ho Baek, Sung Wan Lee, Min Gyu Song, Jae Uk Cha, Eun Hee Park
  • Patent number: 8710105
    Abstract: A method of preparing enteric hard capsules, and an enteric hard capsule prepared by the method. The method may include: dissolving an enteric base material, a capsule forming aid, and a neutralizing agent in water at room temperature to prepare an aqueous composition; heating the aqueous composition to a first temperature that is higher than a gelation start temperature of the aqueous composition; cooling the heated aqueous composition to a second temperature that is lower than the gelation start temperature; immersing a mold pin heated to a third temperature that is higher than the gelation start temperature into the aqueous composition; removing the mold pin from the aqueous composition to obtain a film coated on the mold pin; maintaining the film on the mold pin at a fourth temperature that is higher than the gelation start temperature for a first time period to fix the film onto the mold pin; and drying the fixed film at a fifth temperature for a second time period to obtain a capsule shell.
    Type: Grant
    Filed: February 21, 2011
    Date of Patent: April 29, 2014
    Assignee: Samsung Fine Chemicals Co., Ltd.
    Inventors: Jin Ryul Son, Hyon Ho Baek, Eun Hee Park, Sung Wan Lee, Min Gyu Song, Ja Hyun Cha, Jae Uk Cha, Won Hwa Ko
  • Publication number: 20130203868
    Abstract: A composition for enteric hard capsules, and an enteric hard capsule prepared using the composition. The composition for enteric hard capsules may include polyol having at least three hydroxyl groups. During the storage of the enteric hard capsule prepared using the composition, the separation of salt from the capsule is delayed.
    Type: Application
    Filed: February 21, 2011
    Publication date: August 8, 2013
    Applicant: SAMSUNG FINE CHEMICALS CO., LTD.
    Inventors: Jin Ryul Son, Hyon Ho Baek, Eun Hee Park, Sung Wan Lee, Min Gyu Song, Ja Hyun Cha, Jae Uk Cha, Won Hwa Ko
  • Publication number: 20130072579
    Abstract: A method of preparing enteric hard capsules, and an enteric hard capsule prepared by the method. The method may include: dissolving an enteric base material, a capsule forming aid, and a neutralizing agent in water at room temperature to prepare an aqueous composition; heating the aqueous composition to a first temperature that is higher than a gelation start temperature of the aqueous composition; cooling the heated aqueous composition to a second temperature that is lower than the gelation start temperature; immersing a mold pin heated to a third temperature that is higher than the gelation start temperature into the aqueous composition; removing the mold pin from the aqueous composition to obtain a film coated on the mold pin; maintaining the film on the mold pin at a fourth temperature that is higher than the gelation start temperature for a first time period to fix the film onto the mold pin; and drying the fixed film at a fifth temperature for a second time period to obtain a capsule shell.
    Type: Application
    Filed: February 21, 2011
    Publication date: March 21, 2013
    Applicant: SAMSUNG FINE CHEMICALS CO., LTD.
    Inventors: Jin Ryul Son, Hyon Ho Baek, Eun Hee Park, Sung Wan Lee, Min Gyu Song, Ja Hyun Cha, Jae Uk Cha, Won Hwa Ko
  • Publication number: 20120161364
    Abstract: An aqueous composition for an enteric hard capsule, a method of preparing an enteric hard capsule, and an enteric hard capsule prepared using the method. The aqueous composition for an enteric hard capsule includes an enteric base material, a capsule forming aid, and a neutralizing agent.
    Type: Application
    Filed: October 13, 2009
    Publication date: June 28, 2012
    Applicant: SAMSUNG FINE CHEMICALS CO., LTD.
    Inventors: Jin Ryul Son, Hyon Ho Baek, Sung Wan Lee, Min Gyu Song, Jae Uk Cha, Eun Hee Park