Patents by Inventor Yumiko Sakurai

Yumiko Sakurai 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: 20230330031
    Abstract: This disclosure relates to microcapsule particles for targeted delivery of drugs. In certain embodiments, the particles comprise polyelectrolyte polymers, e.g., layers of anionic polymers and cationic polymers. In certain embodiments, the particles have a fibrinogen coating. In certain embodiments, the particles contain a polysaccharide core and/or a polysaccharide coating, encapsulating drugs, proteins, clotting agents, coagulation factors, or anticoagulants. In certain embodiments, this disclosure contemplates methods of using particles disclosed herein to prevent or reduce onset of or duration of bleeding. In certain embodiments, this disclosure contemplates methods of using particles disclosed herein to prevent or reduce onset of blood clotting.
    Type: Application
    Filed: June 29, 2023
    Publication date: October 19, 2023
    Inventors: Wilbur A. Lam, Caroline Hansen, Yumiko Sakurai, Andrew Lyon
  • Patent number: 11730701
    Abstract: This disclosure relates to microcapsule particles for targeted delivery of drugs. In certain embodiments, the particles comprise polyelectrolyte polymers, e.g., layers of anionic polymers and cationic polymers. In certain embodiments, the particles have a fibrinogen coating. In certain embodiments, the particles contain a polysaccharide core and/or a polysaccharide coating encapsulating drugs, proteins, clotting agents, coagulation factors, or anticoagulants. In certain embodiments, this disclosure contemplates methods of using particles disclosed herein to prevent or reduce onset of or duration of bleeding. In certain embodiments, this disclosure contemplates methods of using particles disclosed herein to prevent or reduce onset of blood clotting.
    Type: Grant
    Filed: September 23, 2022
    Date of Patent: August 22, 2023
    Assignees: Emory University, Georgia Tech Research Corporation, Chapman University, Children's Healthcare of Atlanta, Inc.
    Inventors: Wilbur A. Lam, Caroline Hansen, Yumiko Sakurai, Andrew Lyon
  • Publication number: 20230047070
    Abstract: This disclosure relates to microcapsule particles for targeted delivery of drugs. In certain embodiments, the particles comprise polyelectrolyte polymers, e.g., layers of anionic polymers and cationic polymers. In certain embodiments, the particles have a fibrinogen coating. In certain embodiments, the particles contain a polysaccharide core and/or a polysaccharide coating encapsulating drugs, proteins, clotting agents, coagulation factors, or anticoagulants. In certain embodiments, this disclosure contemplates methods of using particles disclosed herein to prevent or reduce onset of or duration of bleeding. In certain embodiments, this disclosure contemplates methods of using particles disclosed herein to prevent or reduce onset of blood clotting.
    Type: Application
    Filed: September 23, 2022
    Publication date: February 16, 2023
    Inventors: Wilbur A. Lam, Caroline Hansen, Yumiko Sakurai, Andrew Lyon
  • Patent number: 11464748
    Abstract: This disclosure relates to microcapsule particles for targeted delivery of drugs. In certain embodiments, the particles comprise polyelectrolyte polymers, e.g., layers of anionic polymers and cationic polymers. In certain embodiments, the particles have a fibrinogen coating. In certain embodiments, the particles contain a polysaccharide core and/or a polysaccharide coating encapsulating drugs, proteins, clotting agents, coagulation factors, or anticoagulants. In certain embodiments, this disclosure contemplates methods of using particles disclosed herein to prevent or reduce onset of or duration of bleeding. In certain embodiments, this disclosure contemplates methods of using particles disclosed herein to prevent or reduce onset of blood clotting.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: October 11, 2022
    Assignees: Emory University, Children's Healthcare of Atlanta, Inc., Georgia Tech Research Corporation, Chapman University
    Inventors: Wilbur A. Lam, Caroline Hansen, Yumiko Sakurai, Andrew Lyon
  • Publication number: 20200306199
    Abstract: This disclosure relates to microcapsule particles for targeted delivery of drugs. In certain embodiments, the particles comprise polyelectrolyte polymers, e.g., layers of anionic polymers and cationic polymers. In certain embodiments, the particles have a fibrinogen coating. In certain embodiments, the particles contain a polysaccharide core and/or a polysaccharide coating encapsulating drugs, proteins, clotting agents, coagulation factors, or anticoagulants. In certain embodiments, this disclosure contemplates methods of using particles disclosed herein to prevent or reduce onset of or duration of bleeding. In certain embodiments, this disclosure contemplates methods of using particles disclosed herein to prevent or reduce onset of blood clotting.
    Type: Application
    Filed: January 31, 2017
    Publication date: October 1, 2020
    Inventors: Wilbur A. Lam, Caroline Hansen, Yumiko Sakurai, Andrew Lyon
  • Patent number: 6017258
    Abstract: A method of attaching an extra fine filament of a halogen lamp. A support is fixed on an inner wall of an envelope. A mount having a filament is inserted into the envelope so that the filament is held by the support. The end of the envelope is heated and sealed so as to embed in the seal part of the mount in a sealing section formed on the end of the envelope.
    Type: Grant
    Filed: November 4, 1997
    Date of Patent: January 25, 2000
    Inventors: Yumiko Sakurai, Mari Nishibori