Patents by Inventor Yukihiro Yazawa

Yukihiro Yazawa 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 modulator
    Patent number: 9448457
    Abstract: An optical modulator according to the present invention includes an optical branching section having at least one beam splitter and a mirror and configured to branch input light, a lens configured to converge the respective lights branched in the optical branching section, a plurality of phase modulation sections each configured to perform phase modulation of each light which is input thereto through the lens, and an optical combining section configured to combine a plurality of phase-modulated lights which are output from the plurality of phase modulation sections, and output modulated signal light.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: September 20, 2016
    Assignee: Sumitomo Osaka Cement Co., Ltd.
    Inventors: Takatomo Itou, Minoru Shinozaki, Yukihiro Yazawa
  • OPTICAL MODULATOR
    Publication number: 20150147018
    Abstract: An optical modulator according to the present invention includes an optical branching section having at least one beam splitter and a mirror and configured to branch input light, a lens configured to converge the respective lights branched in the optical branching section, a plurality of phase modulation sections each configured to perform phase modulation of each light which is input thereto through the lens, and an optical combining section configured to combine a plurality of phase-modulated lights which are output from the plurality of phase modulation sections, and output modulated signal light.
    Type: Application
    Filed: May 24, 2013
    Publication date: May 28, 2015
    Inventors: Takatomo Itou, Minoru Shinozaki, Yukihiro Yazawa