Patents by Inventor Toshiyuki Sudoh

Toshiyuki Sudoh 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).

  • Photo-crosslinkable resin composition and hologram recording medium
    Patent number: 5422204
    Abstract: A photo-crosslinkable resin composition comprises (a) a polymer having an electron-donating group in a monomer unit, (b) a halogen compound, (c) an onium salt and (d) at least one sensitizer selected from the group consisting of coumarin derivatives, rhodanine derivatives, thioxanthene derivatives and unsaturated cyclopentanone compounds. The composition can be used as a hologram recording medium.
    Type: Grant
    Filed: July 16, 1992
    Date of Patent: June 6, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoko Yoshinaga, Shin Kobayashi, Susumu Matsumura, Naosato Taniguchi, Toshiyuki Sudoh, Hideki Morishima