Patents by Inventor Hitoshi Hanadate

Hitoshi Hanadate 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).

  • Patent number: 4335198
    Abstract: A recording member includes a recording layer capable of recording in response to applied heat. The heat is produced by absorption of high intensity radiation which defines recording information. The recording layer has a radiation absorption layer and an anti-reflection layer capable of preventing the reflection of radiation at the radiation absorption layer.
    Type: Grant
    Filed: May 14, 1979
    Date of Patent: June 15, 1982
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroshi Hanada, Masanao Kasai, Hitoshi Hanadate, Yoko Oikawa
  • Patent number: 4214249
    Abstract: A laser beam recording member capable of recording information by absorbing the radiation energy of a laser beam to cause a thermal melting deformation and/or evaporation removal at the portion exposed to the laser beam wherein the recording layer is composed of a non-metallic layer mainly composed of S, Se, Te or chalcogenide compounds thereof.
    Type: Grant
    Filed: September 21, 1976
    Date of Patent: July 22, 1980
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masanao Kasai, Hitoshi Hanadate, Yoshioki Hajimoto, Takashi Kitamura, Kiyonobu Endo