Patents by Inventor Praful Doshi

Praful Doshi 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: 20260090984
    Abstract: The present invention recognizes that medical devices, such as contact lenses, can be made having at least one coating layer provide drug storage and drug release for the treatment of various diseases, disorders, or conditions. One aspect includes a packaged medical device including a medicament. Another aspect includes a drug delivery contact lens. A further aspect includes a method of making a drug delivery contact lens. An additional aspect includes a method of using a drug delivery contact lens. A further aspect includes a medical device including bimatoprost and N-vinylpyrrolidone. An additional aspect includes a contact lens soaking solution. Another aspect includes a method of loading contact lenses. Another aspect includes loaded and refreshed contact lenses. A further aspect includes methods of using loaded and refreshed contact lenses.
    Type: Application
    Filed: December 5, 2025
    Publication date: April 2, 2026
    Applicant: MEDIPRINT OPHTHALMICS INC.
    Inventors: Praful DOSHI, Brandon HUANG, Stephen HABE, Neil PATODIA, Pavanasam BALASUBRAMANIAN, Tyler HOUCHIN
  • Patent number: 12178904
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having at least one coating made at least in part using printing technologies to provide drug storage and drug release structures, notably for hydrophobic drugs and that such hydrophobic drugs can be stabilized as to hydrolysis, heat, and a combination thereof. A first aspect of the present invention includes a packaged medical device that includes at least one drug delivery contact lens. A second aspect of the present invention includes a drug delivery contact lens. A third aspect of the present invention includes a method of making a drug delivery contact lens. A fourth aspect of the present invention includes an ink. A fifth aspect of the present invention includes a method of using a drug delivery contact lens to treat or prevent a disease, disorder, or condition of the eye.
    Type: Grant
    Filed: March 15, 2024
    Date of Patent: December 31, 2024
    Inventors: Praful Doshi, Brandon Huang, Stephen Halbe, Neil Patodia, Pavanasam Natarajan Balasubramanian
  • Publication number: 20240285522
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having at least one coating made at least in part using printing technologies to provide drug storage and drug release structures, notably for hydrophobic drugs and that such hydrophobic drugs can be stabilized as to hydrolysis, heat, and a combination thereof. A first aspect of the present invention includes a packaged medical device that includes at least one drug delivery contact lens. A second aspect of the present invention includes a drug delivery contact lens. A third aspect of the present invention includes a method of making a drug delivery contact lens. A fourth aspect of the present invention includes an ink. A fifth aspect of the present invention includes a method of using a drug delivery contact lens to treat or prevent a disease, disorder, or condition of the eye.
    Type: Application
    Filed: March 15, 2024
    Publication date: August 29, 2024
    Inventors: Praful Doshi, Brandon Huang, Stephen Halbe, Neil Patodia, Pavanasam Natarajan Balasubramanian
  • Patent number: 11510869
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures that alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: November 29, 2022
    Inventor: Praful Doshi
  • Publication number: 20220218600
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures that alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating.
    Type: Application
    Filed: January 31, 2022
    Publication date: July 14, 2022
    Inventor: Praful Doshi
  • Patent number: 11234927
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures that alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: February 1, 2022
    Inventor: Praful Doshi
  • Publication number: 20210346285
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures that alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating. A second aspect of the present invention is a method of making a medical device that incorporates a drug in at least one coating. A third aspect of the present invention is a method of using a medical device of the present invention to treat, prevent from having, prevent from developing, control, reduce the severity, or reduce the progression of a disease, disorder or condition of a subject.
    Type: Application
    Filed: June 29, 2021
    Publication date: November 11, 2021
    Inventor: Praful Doshi
  • Patent number: 11077054
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures that alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating.
    Type: Grant
    Filed: October 17, 2020
    Date of Patent: August 3, 2021
    Inventor: Praful Doshi
  • Publication number: 20210038509
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures that alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating. A second aspect of the present invention is a method of making a medical device that incorporates a drug in at least one coating. A third aspect of the present invention is a method of using a medical device of the present invention to treat, prevent from having, prevent from developing, control, reduce the severity, or reduce the progression of a disease, disorder or condition of a subject.
    Type: Application
    Filed: October 17, 2020
    Publication date: February 11, 2021
    Inventor: Praful Doshi
  • Patent number: 10842740
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures that alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating. A second aspect of the present invention is a method of making a medical device that incorporates a drug in at least one coating. A third aspect of the present invention is a method of using a medical device of the present invention to treat, prevent from having, prevent from developing, control, reduce the severity, or reduce the progression of a disease, disorder or condition of a subject.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: November 24, 2020
    Inventor: Praful Doshi
  • Publication number: 20200268649
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures that alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating. A second aspect of the present invention is a method of making a medical device that incorporates a drug in at least one coating. A third aspect of the present invention is a method of using a medical device of the present invention to treat, prevent from having, prevent from developing, control, reduce the severity, or reduce the progression of a disease, disorder or condition of a subject.
    Type: Application
    Filed: March 23, 2020
    Publication date: August 27, 2020
    Inventor: Praful Doshi
  • Patent number: 10632068
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures that alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating. A second aspect of the present invention is a method of making a medical device that incorporates a drug in at least one coating. A third aspect of the present invention is a method of using a medical device of the present invention to treat, prevent from having, prevent from developing, control, reduce the severity, or reduce the progression of a disease, disorder or condition of a subject.
    Type: Grant
    Filed: July 27, 2019
    Date of Patent: April 28, 2020
    Inventor: Praful Doshi
  • Publication number: 20200030231
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures that alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating. A second aspect of the present invention is a method of making a medical device that incorporates a drug in at least one coating. A third aspect of the present invention is a method of using a medical device of the present invention to treat, prevent from having, prevent from developing, control, reduce the severity, or reduce the progression of a disease, disorder or condition of a subject.
    Type: Application
    Filed: July 27, 2019
    Publication date: January 30, 2020
    Inventor: Praful Doshi
  • Patent number: 10413506
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures that alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating. A second aspect of the present invention is a method of making a medical device that incorporates a drug in at least one coating. A third aspect of the present invention is a method of using a medical device of the present invention to treat, prevent from having, prevent from developing, control, reduce the severity, or reduce the progression of a disease, disorder or condition of a subject.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: September 17, 2019
    Inventor: Praful Doshi
  • Patent number: 10369099
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures, which alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating. A second aspect of the present invention is a method of making a medical device that incorporates a drug in at least one coating. A third aspect of the present invention is a method of using a medical device of the present invention to treat or prevent a disease, disorder or condition.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: August 6, 2019
    Inventor: Praful Doshi
  • Publication number: 20190125662
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures that alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating. A second aspect of the present invention is a method of making a medical device that incorporates a drug in at least one coating. A third aspect of the present invention is a method of using a medical device of the present invention to treat, prevent from having, prevent from developing, control, reduce the severity, or reduce the progression of a disease, disorder or condition of a subject.
    Type: Application
    Filed: November 13, 2018
    Publication date: May 2, 2019
    Inventor: Praful Doshi
  • Publication number: 20190046435
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures, which alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating. A second aspect of the present invention is a method of making a medical device that incorporates a drug in at least one coating. A third aspect of the present invention is a method of using a medical device of the present invention to treat or prevent a disease, disorder or condition.
    Type: Application
    Filed: October 12, 2018
    Publication date: February 14, 2019
    Inventor: Praful Doshi
  • Patent number: 10188604
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures, which alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating. A second aspect of the present invention is a method of making a medical device that incorporates a drug in at least one coating. A third aspect of the present invention is a method of using a medical device of the present invention to treat or prevent a disease, disorder or condition.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: January 29, 2019
    Inventor: Praful Doshi
  • Publication number: 20180338912
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures, which alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating. A second aspect of the present invention is a method of making a medical device that incorporates a drug in at least one coating. A third aspect of the present invention is a method of using a medical device of the present invention to treat or prevent a disease, disorder or condition.
    Type: Application
    Filed: June 29, 2018
    Publication date: November 29, 2018
    Inventor: Praful Doshi
  • Patent number: 10076493
    Abstract: The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures, which alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating. A second aspect of the present invention is a method of making a medical device that incorporates a drug in at least one coating. A third aspect of the present invention is a method of using a medical device of the present invention to treat or prevent a disease, disorder or condition.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: September 18, 2018
    Inventor: Praful Doshi