Patents by Inventor Daijiro Kodoma

Daijiro Kodoma 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).

  • Color hologram display and its fabrication process
    Patent number: 7710622
    Abstract: The invention relates to a color hologram display an image of a three-dimensional object and a hologram image of a pattern of plane characters, images or the like are recorded in the same volume type hologram photosensitive material in a superposed or multiplexed fashion. A color hologram display 27? comprising a combined reflection and volume type of single layer, wherein a color pattern 29g of plane characters, images or the like and a color three-dimensional subject image O? are reconstructably recorded while spatially superposed one upon another.
    Type: Grant
    Filed: November 23, 2005
    Date of Patent: May 4, 2010
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Emi Takabayashi, Daijiro Kodoma, Masachika Watanabe