Patents by Inventor Kumiko Uno

Kumiko Uno 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 manufacturing electron-emitting device, electron source and image-forming apparatus
    Patent number: 5622634
    Abstract: An electron-emitting device comprising a pair of device electrodes and an electroconductive film including an electron-emitting region is manufactured by a method comprising a process of forming an electroconductive film including steps of forming a pattern on a thin film containing a metal element on the basis of a difference of chemical state, and removing part of the thin film on the basis of the difference of chemical state.
    Type: Grant
    Filed: December 19, 1994
    Date of Patent: April 22, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Noma, Seijiro Kato, Fumio Kishi, Hisaaki Kawade, Toshikazu Ohnishi, Michiyo Nishimura, Kumiko Uno, Takahiro Horiguchi, Masato Yamanobe