Patents by Inventor Horie Hideyoshi

Horie Hideyoshi 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).

  • Light emitting device and light emitting device module
    Patent number: 7164157
    Abstract: A light emitting device including a substrate transparent at the emission wavelength and an active layer structure formed on such substrate, in which the thickness of the substrate is 75 ?m or less, and/or a layer for suppressing spectral-intensity-modulation due to the substrate-mode is provided between the substrate and the active layer structure. Such device can suppress the spectral-intensity-modulation due to the substrate-mode, which is observed for the case the substrate is transparent at the emission wavelength, to thereby provide a light emission device excellent in linearity of the current-light output characteristics, and to thereby improve the coupling characteristics with an external cavity.
    Type: Grant
    Filed: October 20, 2005
    Date of Patent: January 16, 2007
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Horie Hideyoshi, Satoru Nagao, Yoshitaka Yamamoto, Toshinari Fujimori
  • Light emitting device and light emitting device module
    Patent number: 7102174
    Abstract: The present invention discloses a light emitting device comprising a substrate transparent at the emission wavelength and an active layer structure formed on such substrate, in which the thickness of the substrate is 75 ?m or less, and/or a layer for suppressing spectral-intensity-modulation due to the substrate-mode is provided between the substrate and the active layer structure. Such device can suppress the spectral-intensity modulation due to the substrate-mode, which is observed for the case the substrate is transparent at the emission wavelength, to thereby provide a light emission device excellent in linearity of the current-light output characteristics, and to thereby improve the coupling characteristics with an external cavity.
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: September 5, 2006
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Horie Hideyoshi, Satoru Nagao, Yoshitaka Yamamoto, Toshinari Fujimori
  • Light emitting device and light emitting device module
    Publication number: 20020014674
    Abstract: The present invention discloses a light emitting device comprising a substrate transparent at the emission wavelength and an active layer structure formed on such substrate, in which the thickness of the substrate is 75 &mgr;m or less, and/or a layer for suppressing spectral-intensity-modulation due to the substrate-mode is provided between the substrate and the active layer structure. Such device can suppress the spectral-intensity modulation due to the substrate-mode, which is observed for the case the substrate is transparent at the emission wavelength, to thereby provide a light emission device excellent in linearity of the current-light output characteristics, and to thereby improve the coupling characteristics with an external cavity.
    Type: Application
    Filed: May 21, 2001
    Publication date: February 7, 2002
    Inventors: Horie Hideyoshi, Satoru Nagao, Yoshitaka Yamamoto, Toshinari Fujimori