Patents by Inventor Fusaka Watanabe

Fusaka Watanabe 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).

  • Olefin polymer, process for manufacturing the same, curable resin composition, and antireflection coating
    Patent number: 6271326
    Abstract: An olefin polymer and a curable resin composition which can form cure coatings with excellent transparency, low reflectance, and high scratch resistance, an antireflection film exhibiting excellent transparency, low reflectance, and high scratch resistance are disclosed. The olefin polymer comprises a polysiloxane segment in the main chain, has 30 wt % or more fluorine content, and has a polystyrene-reduced number average molecular weight of 5,000 or more. The curable resin composition comprises the olefin polymer. The antireflection film is made from the cured product of the curable resin composition.
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: August 7, 2001
    Assignee: JSR Corporation
    Inventors: Akira Nishikawa, Fusaka Watanabe, Yuichi Hashiguchi, Hozumi Sato