Patents by Inventor Hisaya ODA

Hisaya ODA 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 isolator
    Patent number: 8625197
    Abstract: An optical isolator including a Faraday rotator that has a high Faraday effect and a high transmission factor in a wavelength used is provided. An optical isolator comprises at least: a Faraday rotator; a polarizer arranged on a light incidence side of the Faraday rotator; and an analyzer arranged on a light exit side of the Faraday rotator, wherein the Faraday rotator consists of an oxide that contains an ytterbium oxide (Yb2O3) with a mass ratio of 30% or more.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: January 7, 2014
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Shinji Makikawa, Toshiaki Watanabe, Tomohiro Koyama, Hisaya Oda, Takuya Takahashi, Akio Yamanaka
  • OPTICAL ISOLATOR
    Publication number: 20110181950
    Abstract: An optical isolator including a Faraday rotator that has a high Faraday effect and a high transmission factor in a wavelength used is provided. An optical isolator comprises at least: a Faraday rotator; a polarizer arranged on a light incidence side of the Faraday rotator; and an analyzer arranged on a light exit side of the Faraday rotator, wherein the Faraday rotator consists of an oxide that contains an ytterbium oxide (Yb2O3) with a mass ratio of 30% or more.
    Type: Application
    Filed: January 18, 2011
    Publication date: July 28, 2011
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Shinji MAKIKAWA, Toshiaki WATANABE, Tomohiro KOYAMA, Hisaya ODA, Takuya TAKAHASHI, Akio YAMANAKA