Patents by Inventor Maya MASUI

Maya MASUI 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: 20220002494
    Abstract: Provided is a polyorganosilsesquioxane capable of forming, when cured, a cured product that offers high surface hardness and good heat resistance, is highly flexible, and has excellent processability. The present invention relates to a polyorganosilsesquioxane including a constitutional unit represented by Formula (1). The polyorganosilsesquioxane includes a constitutional unit represented by Formula (I) and a constitutional unit represented by Formula (II) in a mole ratio of the constitutional unit represented by Formula (I) to the constitutional unit represented by Formula (II) of 5 or more. The polyorganosilsesquioxane has a total proportion of the constitutional unit represented by Formula (1) and a constitutional unit represented by Formula (4) of 55% to 100% by mole based on the total amount (100% by mole) of all siloxane constitutional units.
    Type: Application
    Filed: August 4, 2021
    Publication date: January 6, 2022
    Applicant: DAICEL CORPORATION
    Inventors: Akihiro KUWANA, Nobuhiko HARADA, Maya MASUI, Ichiro TAKASE, Shinji MAETANI, Naoko TSUJI
  • Patent number: 11111337
    Abstract: Provided is a polyorganosilsesquioxane capable of forming, when cured, a cured product that offers high surface hardness and good heat resistance, is highly flexible, and has excellent processability. The present invention relates to a polyorganosilsesquioxane including a constitutional unit represented by Formula (1). The polyorganosilsesquioxane includes a constitutional unit represented by Formula (I) and a constitutional unit represented by Formula (II) in a mole ratio of the constitutional unit represented by Formula (I) to the constitutional unit represented by Formula (II) of 5 or more. The polyorganosilsesquioxane has a total proportion of the constitutional unit represented by Formula (1) and a constitutional unit represented by Formula (4) of 55% to 100% by mole based on the total amount (100% by mole) of all siloxane constitutional units.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: September 7, 2021
    Assignee: DAICEL CORPORATION
    Inventors: Akihiro Kuwana, Nobuhiko Harada, Maya Masui, Ichiro Takase, Shinji Maetani, Naoko Tsuji
  • Publication number: 20180282485
    Abstract: Provided is a polyorganosilsesquioxane capable of forming, when cured, a cured product that offers high surface hardness and good heat resistance, is highly flexible, and has excellent processability. The present invention relates to a polyorganosilsesquioxane including a constitutional unit represented by Formula (1). The polyorganosilsesquioxane includes a constitutional unit represented by Formula (I) and a constitutional unit represented by Formula (II) in a mole ratio of the constitutional unit represented by Formula (I) to the constitutional unit represented by Formula (II) of 5 or more. The polyorganosilsesquioxane has a total proportion of the constitutional unit represented by Formula (1) and a constitutional unit represented by Formula (4) of 55% to 100% by mole based on the total amount (100% by mole) of all siloxane constitutional units.
    Type: Application
    Filed: June 5, 2018
    Publication date: October 4, 2018
    Applicant: DAICEL CORPORATION
    Inventors: Akihiro KUWANA, Nobuhiko HARADA, Maya MASUI, Ichiro TAKASE, Shinji MAETANI, Naoko TSUJI
  • Publication number: 20160297933
    Abstract: Provided is a polyorganosilsesquioxane capable of forming, when cured, a cured product that offers high surface hardness and good heat resistance, is highly flexible, and has excellent processability. The present invention relates to a polyorganosilsesquioxane including a constitutional unit represented by Formula (1). The polyorganosilsesquioxane includes a constitutional unit represented by Formula (I) and a constitutional unit represented by Formula (II) in a mole ratio of the constitutional unit represented by Formula (I) to the constitutional unit represented by Formula (II) of 5 or more. The polyorganosilsesquioxane has a total proportion of the constitutional unit represented by Formula (1) and a constitutional unit represented by Formula (4) of 55% to 100% by mole based on the total amount (100% by mole) of all siloxane constitutional units.
    Type: Application
    Filed: November 14, 2014
    Publication date: October 13, 2016
    Applicant: DAICEL CORPORATION
    Inventors: Akihiro KUWANA, Nobuhiko HARADA, Maya MASUI, Ichiro TAKASE, Shinji MAETANI, Naoko TSUJI