Patents by Inventor Mizuki Oikea

Mizuki Oikea 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).

  • Optical attenuator and optical attenuator module
    Publication number: 20020085285
    Abstract: An optical attenuator (8) has a substrate (glass substrate) (1) and an optical attenuation film (2) that attenuates an input light with a predetermined optical attenuation factor, and the optical attenuation film (2) is disposed on a light input face (3) of the substrate (1). An angle defined by the light input face (3) and the light output face (4) of the substrate (1) is set to 0.15° to 0.5°. A protective film (5) for preventing the deterioration of the optical attenuation film (2) is formed on a surface of the optical attenuation film (2).
    Type: Application
    Filed: November 30, 2001
    Publication date: July 4, 2002
    Inventors: Takuma Aoki, Kouki Sato, Nobuyuki Shibata, Toshimitsu Nishiwaki, Mizuki Oikea