The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 24, 2006
Filed:
Aug. 12, 2003
Applicant:
Yoshihiro Kato, Ibo-gun, JP;
Inventor:
Yoshihiro Kato, Ibo-gun, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01J 29/02 (2006.01); H01J 63/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A surface of a first grid electrode, which is located on a cathode side and is one of a plurality of electrodes for an electron gun used in an electrode gun assembly, is formed to be a rough surface having a higher degree of surface roughness than a surface of a second grid electrode located adjacent to the first grid electrode.
Kato, Yoshihiro. (2006). Electrode for election gun, method of manufacturing electrode for electron gun, and electron gun assembly (U.S. Patent No. 6989630). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6989630
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile