Patents by Inventor Katsumi Ebashi

Katsumi Ebashi 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 recording medium
    Patent number: 8158234
    Abstract: The invention is principally to provide an archival optical recording medium of high quality which has satisfactory recording/reading characteristics when used in high-speed recording and high-density recording. The invention accomplishes the object with an optical recording medium comprising a resin substrate, a recording layer comprising an organic dye, and a reflective layer, wherein the reflective layer has a first reflective layer and a second reflective layer in this order from the side close to the recording layer, the second reflective layer has a thermal conductivity lower than the thermal conductivity of the first reflective layer, and the first reflective layer has a film thickness larger than the thickness of the second reflective layer.
    Type: Grant
    Filed: January 17, 2007
    Date of Patent: April 17, 2012
    Assignee: Mitsubishi Kagaku Media Co., Ltd.
    Inventors: Mitsugu Wakabayashi, Hideharu Takeshima, Susumu Satou, Naoyuki Uchida, Katsumi Ebashi
  • Optical recording medium
    Patent number: 7910192
    Abstract: The invention is principally to provide an archival optical recording medium of high quality which has satisfactory recording/reading characteristics when used in high-speed recording and high-density recording. The invention accomplishes the object with an optical recording medium comprising a resin substrate, a recording layer comprising an organic dye, and a reflective layer, wherein the reflective layer has a first reflective layer and a second reflective layer in this order from the side close to the recording layer, the second reflective layer has a thermal conductivity lower than the thermal conductivity of the first reflective layer, and the first reflective layer has a film thickness larger than the thickness of the second reflective layer.
    Type: Grant
    Filed: November 24, 2009
    Date of Patent: March 22, 2011
    Assignee: Mitsubishi Kagaku Media Co., Ltd.
    Inventors: Mitsugu Wakabayashi, Hideharu Takeshima, Susumu Satou, Naoyuki Uchida, Katsumi Ebashi
  • OPTICAL RECORDING MEDIUM
    Publication number: 20100166999
    Abstract: The invention is principally to provide an archival optical recording medium of high quality which has satisfactory recording/reading characteristics when used in high-speed recording and high-density recording. The invention accomplishes the object with an optical recording medium comprising a resin substrate, a recording layer comprising an organic dye, and a reflective layer, wherein the reflective layer has a first reflective layer and a second reflective layer in this order from the side close to the recording layer, the second reflective layer has a thermal conductivity lower than the thermal conductivity of the first reflective layer, and the first reflective layer has a film thickness larger than the thickness of the second reflective layer.
    Type: Application
    Filed: January 17, 2007
    Publication date: July 1, 2010
    Applicant: MITSUBISHI KAGAKU MEDIA CO., LTD.
    Inventors: Mitsugu Wakabayashi, Hideharu Takeshima, Susumu Satou, Naoyuki Uchida, Katsumi Ebashi
  • OPTICAL RECORDING MEDIUM
    Publication number: 20100068443
    Abstract: The invention is principally to provide an archival optical recording medium of high quality which has satisfactory recording/reading characteristics when used in high-speed recording and high-density recording. The invention accomplishes the object with an optical recording medium comprising a resin substrate, a recording layer comprising an organic dye, and a reflective layer, wherein the reflective layer has a first reflective layer and a second reflective layer in this order from the side close to the recording layer, the second reflective layer has a thermal conductivity lower than the thermal conductivity of the first reflective layer, and the first reflective layer has a film thickness larger than the thickness of the second reflective layer.
    Type: Application
    Filed: November 24, 2009
    Publication date: March 18, 2010
    Applicant: Mitsubishi Kagaku Media Co., Ltd.
    Inventors: Mitsugu WAKABAYASHI, Hideharu TAKESHIMA, Susumu SATOU, Naoyuki UCHIDA, Katsumi EBASHI