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:
Aug. 17, 2021
Filed:
Jan. 06, 2021
Canon Anelva Corporation, Kawasaki, JP;
Yohsuke Kawasaki, Yamanashi-ken, JP;
CANON ANELVA CORPORATION, Tokyo, JP;
Abstract
An ionization gauge includes an anode having a rod shape, and a cathode including a cathode plate having a through hole through which the anode extends. The cathode includes a first cathode plate including a through hole through which the anode extends, and a storage portion configured to store the electromagnetic wave source, a second cathode plate arranged separately from the first cathode plate, a third cathode plate arranged between the first cathode plate and the second cathode plate to be in contact with the first cathode plate, and a member configured to surround the first cathode plate, the second cathode plate, and the third cathode plate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile