Patents by Inventor Madoka KUWAHARA

Madoka KUWAHARA 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: 20090208760
    Abstract: The present invention is to provide an optical fiber preform suitable for the production of an energy-transmitting or ultraviolet light-transmitting optical fiber, which has an excellent transmittance of a high-energy light of 50 KW/cm2 or more in terms of laser peak power or an ultraviolet light, to be transmitted through the optical fiber and which exhibits excellent durability that causes almost no deterioration by the irradiation with those two lights; and a production process thereof.
    Type: Application
    Filed: April 24, 2009
    Publication date: August 20, 2009
    Applicant: Asahi Glass Company, Limited
    Inventors: Madoka KUWAHARA, Akio KOIKE, Kaname OKADA, Tomonori OGAWA