Patents by Inventor Chikara NAKAI

Chikara NAKAI 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).

  • METHOD OF CLEANING MASK
    Publication number: 20190358684
    Abstract: A cleaning apparatus is a mask cleaning apparatus for removing an organic matter adhering to a vapor deposition mask used for forming an organic thin film with a vapor deposition technique, and includes a dry cleaning device for removing the organic matter in a dry process, and a wet cleaning device for removing the organic matter in a wet process.
    Type: Application
    Filed: June 7, 2017
    Publication date: November 28, 2019
    Inventor: Chikara NAKAI