Patents by Inventor Masaharu TAKEKAWA

Masaharu TAKEKAWA 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).

  • Patent number: 10888112
    Abstract: The present invention provides a package of a filter tow bale made of cellulose acetate packed with a packing material in a non-hermetic state, which can be stacked in multistage and in which tows in the same bale can be uniformly maintained. The package of the filter tow bale made of cellulose acetate is packed with the packing material in the non-hermetic state, in which the filter tow bale is tightened with the packing material in the package, the filter tow bale has a cubic shape or a rectangular parallelepiped shape with 800 to 1,400 mm in length, 800 to 1,150 mm in width, and 800 to 1,100 mm in height, and a packing initial pressure between a top surface of the filter tow bale and the packing material is 6.3 kPa or less.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: January 12, 2021
    Assignee: DAICEL CORPORATION
    Inventors: Masataka Miida, Tomoharu Miyashita, Masaharu Takekawa
  • Publication number: 20200268041
    Abstract: The present invention provides a package of a filter tow bale made of cellulose acetate packed with a packing material in a non-hermetic state, which can be stacked in multistage and in which tows in the same bale can be uniformly maintained. The package of the filter tow bale made of cellulose acetate is packed with the packing material in the non-hermetic state, in which the filter tow bale is tightened with the packing material in the package, the filter tow bale has a cubic shape or a rectangular parallelepiped shape with 800 to 1,400 mm in length, 800 to 1,150 mm in width, and 800 to 1,100 mm in height, and a packing initial pressure between a top surface of the filter tow bale and the packing material is 6.3 kPa or less.
    Type: Application
    Filed: March 16, 2020
    Publication date: August 27, 2020
    Applicant: Daicel Corporation
    Inventors: Masataka MIIDA, Tomoharu MIYASHITA, Masaharu TAKEKAWA
  • Patent number: 10716326
    Abstract: The present invention provides a package of a filter tow bale made of cellulose acetate packed with a packing material in a non-hermetic state, which can be stacked in multistage and in which tows in the same bale can be uniformly maintained. The package of the filter tow bale made of cellulose acetate is packed with the packing material in the non-hermetic state, in which the filter tow bale is tightened with the packing material in the package, the filter tow bale has a cubic shape or a rectangular parallelepiped shape with 800 to 1,400 mm in length, 800 to 1,150 mm in width, and 800 to 1,100 mm in height, and a packing initial pressure between a top surface of the filter tow bale and the packing material is 6.3 kPa or less.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: July 21, 2020
    Assignee: DAICEL CORPORATION
    Inventors: Masataka Miida, Tomoharu Miyashita, Masaharu Takekawa
  • Publication number: 20170015492
    Abstract: The present invention provides a package of a filter tow bale made of cellulose acetate packed with a packing material in a non-hermetic state, which can be stacked in multistage and in which tows in the same bale can be uniformly maintained. The package of the filter tow bale made of cellulose acetate is packed with the packing material in the non-hermetic state, in which the filter tow bale is tightened with the packing material in the package, the filter tow bale has a cubic shape or a rectangular parallelepiped shape with 800 to 1,400 mm in length, 800 to 1,150 mm in width, and 800 to 1,100 mm in height, and a packing initial pressure between a top surface of the filter tow bale and the packing material is 6.3 kPa or less.
    Type: Application
    Filed: March 10, 2015
    Publication date: January 19, 2017
    Applicant: Daicel Corporation
    Inventors: Masataka MIIDA, Tomoharu MIYASHITA, Masaharu TAKEKAWA