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:
Mar. 19, 2019
Filed:
Apr. 19, 2016
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Eiichi Fujii, Shiojiri, JP;
Kimio Nagasaka, Hokuto, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 33/26 (2006.01); G01R 33/00 (2006.01);
U.S. Cl.
CPC ...
G01R 33/26 (2013.01); G01R 33/0052 (2013.01);
Abstract
A magnetism measuring device includes: a wall forming a cell portion; an opening which is open to a portion of the wall; a sealing material which seals the opening; a coating layer which covers the sealing material on an inside of the cell portion; and an alkali metal gas which is sealed in the cell portion.