Patents by Inventor Akira AINAI

Akira AINAI 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).

  • Polymeric IgA-type recombinant antibody and use thereof
    Patent number: 10925962
    Abstract: Provided are: a polymeric IgA-type recombinant antibody; a medicine containing this polymeric IgA-type recombinant antibody as an active ingredient; a method for producing this polymeric IgA type antibody, the method including the step of coexpressing an IgA-type antibody heavy-chain protein, an antibody light-chain protein, an antibody J-chain protein, and a secretory component protein within a single cell; and a method for improving the antigen-binding activity or neutralizing activity of this antibody, the method including the step of making an antibody into a polymeric IgA-type.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: February 23, 2021
    Assignee: Nippi, Incorporated
    Inventors: Shinji Saito, Tadaki Suzuki, Hideki Hasegawa, Akira Ainai, Kiyoko Goto, Tomonori Ueno, Yuki Taga
  • NASAL INFLUENZA VACCINE COMPOSITION
    Publication number: 20190091324
    Abstract: The invention relates to an influenza vaccine composition for spray-administration to nasal mucosa, which comprises an inactivated whole influenza virion and a gel base material comprising carboxy vinyl polymer, which is characterized by not comprising an adjuvant.
    Type: Application
    Filed: November 26, 2018
    Publication date: March 28, 2019
    Inventors: Hideki HASEGAWA, Tadaki SUZUKI, Akira AINAI, Taizou KAMISHITA, Takashi MIYAZAKI
  • POLYMERIC IgA-TYPE RECOMBINANT ANTIBODY AND USE THEREOF
    Publication number: 20170340732
    Abstract: Provided are: a polymeric IgA-type recombinant antibody; a medicine containing this polymeric IgA-type recombinant antibody as an active ingredient; a method for producing this polymeric IgA type antibody, the method including the step of coexpressing an IgA-type antibody heavy-chain protein, an antibody light-chain protein, an antibody J-chain protein, and a secretory component protein within a single cell; and a method for improving the antigen-binding activity or neutralizing activity of this antibody, the method including the step of making an antibody into a polymeric IgA-type.
    Type: Application
    Filed: July 21, 2015
    Publication date: November 30, 2017
    Inventors: Shinji Saito, Tadaki Suzuki, Hideki Hasegawa, Akira Ainai, Kiyoko Goto, Tomonori Ueno, Yuki Taga
  • NASAL INFLUENZA VACCINE COMPOSITION
    Publication number: 20160015800
    Abstract: The invention relates to an influenza vaccine composition for spray-administration to nasal mucosa, which comprises an inactivated whole influenza virion and a gel base material comprising carboxy vinyl polymer, which is characterized by not comprising an adjuvant.
    Type: Application
    Filed: October 23, 2013
    Publication date: January 21, 2016
    Inventors: Hideki HASEGAWA, Tadaki SUZUKI, Akira AINAI, Taizou KAMISHITA, Taksahi MIYAZAKI