Patents by Inventor Genzaburo Nakamura

Genzaburo Nakamura 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).

  • Cladding material for optical fiber and method for its manufacture
    Patent number: 5153288
    Abstract: A cladding material for plastic optical fibers is disclosed. The cladding material comprises mainly a copolymer comprising a fluoroalkyl methacrylate and an N-aliphatic maleimide as monomer units. The cladding material has low refractive index and high thermal stability, so that an optical fiber with a large acceptance angle can be obtained.
    Type: Grant
    Filed: February 26, 1991
    Date of Patent: October 6, 1992
    Assignee: Toray Industries, Inc.
    Inventors: Tadayo Matsunaga, Heiroku Suganuma, Tadanori Fukuda, Genzaburo Nakamura