Patents by Inventor Tadashi HONGO

Tadashi HONGO 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).

  • Gas barrier film
    Patent number: 11535437
    Abstract: A gas barrier film that includes at least a film base material including a polyester resin having a butylene terephthalate unit as a main constituent unit, and one or more metal oxide layers wherein the gas barrier film has a heat shrinkage rate in the machine direction (MD direction) after heating for 30 minutes at 150° C. of 0.6% or more but less than 3.0%, the heat shrinkage rate being represented by the following formula: Heat shrinkage rate={(Length before heating?Length after heating)/Length before heating}×100(%).
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: December 27, 2022
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Ryoji Ishii, Takeshi Nishikawa, Tadashi Hongo
  • GAS BARRIER FILM
    Publication number: 20190023468
    Abstract: A gas barrier film that includes at least a film base material including a polyester resin having a butylene terephthalate unit as a main constituent unit, and one or more metal oxide layers wherein the gas barrier film has a heat shrinkage rate in the machine direction (MD direction) after heating for 30 minutes at 150° C. of 0.6% or more but less than 3.0%, the heat shrinkage rate being represented by the following formula: Heat shrinkage rate={(Length before heating?Length after heating)/Length before heating}×100 (%).
    Type: Application
    Filed: September 27, 2018
    Publication date: January 24, 2019
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventors: Ryoji ISHII, Takeshi NISHIKAWA, Tadashi HONGO