Patents by Inventor Takufami Iida

Takufami Iida 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: 20070284041
    Abstract: Disclosed is an easy to use optical adhesive composition which has lower refractive index than the conventional optical adhesive compositions while having low viscosity, fast curability and excellent heat resistance. Also disclosed are a method for bonding an optical component using such an optical adhesive composition which enables to reduce transmission loss, and an optical device. Specifically disclosed are an optical adhesive composition characterized by comprising at least one acrylate compound represented by the general formula (I) and a photopolymerization initiator, a method for bonding an optical component using such an optical adhesive composition, and an optical device. Tf-(O)a—(CH2)b—(CF2)m—(CH2)b—(O)a-Tf ??(I) wherein a's are the same represent 0 or 1, b's are the same represent 0 or 1, m represents an integer of 4 to 12, and Tf's are the same and represent a glycidyl group or CH2?CH—C(O)—.
    Type: Application
    Filed: June 23, 2005
    Publication date: December 13, 2007
    Applicant: Nagase Chemtex Corporation
    Inventor: Takufami Iida