Patents by Inventor Takatoshi Sasaki

Takatoshi Sasaki 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).

  • Adhesive sheet for water jet laser dicing
    Publication number: 20080057270
    Abstract: An adhesive sheet for water jet laser dicing, comprises an adhesive layer laminated on a base film, wherein the adhesive sheet has perforations, has a porosity of 3 to 90% and has a fracture elongation of at least 100%.
    Type: Application
    Filed: August 24, 2007
    Publication date: March 6, 2008
    Applicant: NITTO DENKO CORPORATION
    Inventors: Tsubasa Miki, Fumiteru Asai, Tomokazu Takahashi, Takatoshi Sasaki, Toshio Shintani, Akiyoshi Yamamoto
  • Hydrophilized porous film and process for producing the same
    Patent number: 7115680
    Abstract: A hydrophilized porous film which can be obtained through hydrophilizing by a simple method without impairing rejection performance and permeation performance and easily retains the properties of a film material, and to provide a process for producing the same. The hydrophilized porous film comprises a hydrophobic polymer and dispersed therein an organized clay which has been organized with a hydrophilic compound, and is obtained by a process including a step of dispersing a clay organized with a hydrophilic compound in a solution of a hydrophobic polymer and a step of subjecting this solution to phase separation to obtain the hydrophilized porous film.
    Type: Grant
    Filed: May 19, 2004
    Date of Patent: October 3, 2006
    Assignee: Nitto Denko Corporation
    Inventors: Hiroki Fujioka, Hirotoshi Ishizuka, Takatoshi Sasaki
  • Hydrophilized porous film and process for producing the same
    Publication number: 20040242752
    Abstract: A hydrophilized porous film which can be obtained through hydrophilizing by a simple method without impairing rejection performance and permeation performance and easily retains the properties of a film material, and to provide a process for producing the same. The hydrophilized porous film comprises a hydrophobic polymer and dispersed therein an organized clay which has been organized with a hydrophilic compound, and is obtained by a process including a step of dispersing a clay organized with a hydrophilic compound in a solution of a hydrophobic polymer and a step of subjecting this solution to phase separation to obtain the hydrophilized porous film.
    Type: Application
    Filed: May 19, 2004
    Publication date: December 2, 2004
    Applicant: NITTO DENKO CORPORATION
    Inventors: Hiroki Fujioka, Hirotoshi Ishizuka, Takatoshi Sasaki