Patents by Inventor Sonjin Ryu

Sonjin Ryu 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: 20180170704
    Abstract: Provided is a method for conveying a sheet member while the sheet member is supported by a roller member, the method including: detecting forces applied, by the sheet member supported by the roller member, to regions at both ends in a width direction of the roller member, respectively, as force components in a plurality of mutually different directions; and adjusting the force components in the regions at both ends in the width direction to a specific balance based on the detection results for the plurality of force components.
    Type: Application
    Filed: May 2, 2016
    Publication date: June 21, 2018
    Applicant: NITTO DENKO CORPORATION
    Inventors: Minoru Yagi, Sonjin Ryu, Hirofumi Nomoto, Koji Fujii, Daigoro Nakagawa
  • Publication number: 20140044953
    Abstract: A method for manufacturing a pressure-sensitive adhesive layer for use on an optical film, the method includes a filtration step including filtering a pressure-sensitive adhesive coating liquid under a differential pressure of more than 0 kPa and not more than 150 kPa using a depth type filter having a filtration accuracy of 1 to 20 ?m. The pressure-sensitive adhesive coating liquid contains an aqueous dispersion-type pressure-sensitive adhesive; and an application and drying step including applying the filtered pressure-sensitive adhesive coating liquid and then drying the coating liquid.
    Type: Application
    Filed: April 20, 2012
    Publication date: February 13, 2014
    Applicant: NITTO DENKO CORPORATION
    Inventors: Naoki Tomoguchi, Takaaki Ishii, Yousuke Makihata, Tomoaki Masuda, Sonjin Ryu, Tsutomu Morohoshi