Patents by Inventor Isao Nishikawi

Isao Nishikawi 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: 20030105189
    Abstract: To provide a liquid curable resin composition which can produce transparent cured products with a high refractive index, high hardness, and superior abrasion resistance, and can be suitably used as a coating material.
    Type: Application
    Filed: December 18, 2002
    Publication date: June 5, 2003
    Applicant: DSM, N.V., JSR Corporation
    Inventors: Takao Yashiro, Yuichi Eriyama, Isao Nishikawi, Takashi Ukachi
  • Patent number: 6521677
    Abstract: Provided is a liquid curable resin composition which can produce transparent cured products with a high refractive index, high hardness, and superior abrasion resistance, and which can be suitably used as a coating material. The liquid curable resin composition comprises: (A) a poly-functional (meth)acrylic compound having at least three (meth) acryloyl groups in the molecule; (B) a reaction product obtained by the reaction of a compound having a polymerizable unsaturated group and alkoxysilyl group in the molecule and particles metal oxide, the metals being preferably selected from the group consisting of zirconium, antimony, zinc, tin, cerium, and titanium; and (C) a radiation polymerization initiator.
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: February 18, 2003
    Assignees: DSM N.V., JSR Corporation, Japan Fine Coating Co., Ltd.
    Inventors: Takao Yashiro, Yuichi Eriyama, Isao Nishikawi, Takashi Ukachi
  • Publication number: 20020019461
    Abstract: To provide a liquid curable resin composition which can produce transparent cured products with a high refractive index, high hardness, and superior abrasion resistance, and can be suitably used as a coating material. A liquid curable resin composition comprising: (A) a poly-functional (meth)acrylic compound having at least three (meth) acryloyl groups in the molecule; (B) a reaction product obtained by the reaction of a compound having a polymerizable unsaturated group and alkoxysilyl group in the molecule and particles metal oxide, the metals being selected from the group consisting of zirconium, antimony, zinc, tin, cerium, and titanium; and (C) a radiation polymerization initiator.
    Type: Application
    Filed: May 7, 2001
    Publication date: February 14, 2002
    Inventors: Takao Yashiro, Yuichi Eriyama, Isao Nishikawi, Takashi Ukachi