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:
Oct. 22, 2024
Filed:
Mar. 09, 2022
Applicant:
Denka Company Limited, Tokyo, JP;
Inventor:
Daisuke Ishikawa, Tokyo, JP;
Assignee:
Denka Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/073 (2006.01);
U.S. Cl.
CPC ...
H01J 37/073 (2013.01);
Abstract
An emitter includes an insulator, a pair of terminals attached to the insulator separately from each other, at least one filament attached between the pair of terminals in an arch shape, and an electron source fixed to the filament. The filament has bent portions between a contact with respect to the electron source and contacts with respect to the terminals. A device is provided with the emitter.
Ishikawa, Daisuke. (2024). Emitter and device provided with same (U.S. Patent No. 12125663). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12125663
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile