Patents by Inventor Kunitada SUZAKI

Kunitada SUZAKI 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).

  • Group III nitride crystal production method and group III nitride crystal
    Patent number: 9502241
    Abstract: Provided is a high-quality Group III nitride crystal of excellent processability. A Group III nitride crystal is produced by forming a film is composed of an oxide, hydroxide and/or oxyhydroxide containing a Group III element by heat-treating a Group III nitride single crystal at 1000° C. or above, and removing the film.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: November 22, 2016
    Assignee: MITSUSBISHI CHEMICAL CORPORATION
    Inventors: Hajime Matsumoto, Kunitada Suzaki, Kenji Fujito, Satoru Nagao
  • GROUP III NITRIDE CRYSTAL PRODUCTION METHOD AND GROUP III NITRIDE CRYSTAL
    Publication number: 20140035103
    Abstract: Provided is a high-quality Group III nitride crystal of excellent processability. A Group III nitride crystal is produced by forming a film is composed of an oxide, hydroxide and/or oxyhydroxide containing a Group III element by heat-treating a Group III nitride single crystal at 1000° C. or above, and removing the film.
    Type: Application
    Filed: October 15, 2013
    Publication date: February 6, 2014
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Hajime MATSUMOTO, Kunitada SUZAKI, Kenji FUJITO, Satoru NAGAO