Patents by Inventor Taiki HIROHATA

Taiki HIROHATA 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).

  • Film manufacturing method and manufacturing apparatus
    Patent number: 10259177
    Abstract: A film manufacturing method and manufacturing apparatus for manufacturing a film having excellent dimensional stability to heat at a good product yield and performing a stress relaxation treatment of the film include performing the stress relaxation treatment while conveying the film in a non-contact state using a levitation conveyance device for jetting a heated gas from gas injection holes to the film and conveying the film in a non-contact state. The film manufacturing method and manufacturing apparatus are particularly suitable for stress relaxation treatment of a polyimide film obtained by heat-treating a polyimide film precursor.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: April 16, 2019
    Assignee: UBE INDUSTRIES, LTD.
    Inventors: Kazumi Ito, Masakatsu Kimura, Yuji Ogawa, Taiki Hirohata
  • FILM MANUFACTURING METHOD AND MANUFACTURING APPARATUS
    Publication number: 20160039155
    Abstract: A film manufacturing method and manufacturing apparatus for manufacturing a film having excellent dimensional stability to heat at a good product yield and performing a stress relaxation treatment of the film include performing the stress relaxation treatment while conveying the film in a non-contact state using a levitation conveyance device for jetting a heated gas from gas injection holes to the film and conveying the film in a non-contact state. The film manufacturing method and manufacturing apparatus are particularly suitable for stress relaxation treatment of a polyimide film obtained by heat-treating a polyimide film precursor.
    Type: Application
    Filed: March 6, 2014
    Publication date: February 11, 2016
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Kazumi ITO, Masakatsu KIMURA, Yuji OGAWA, Taiki HIROHATA