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:
Dec. 16, 2025
Filed:
Sep. 08, 2023
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Ryoma Muto, Tokyo, JP;
Masanori Hori, Tokyo, JP;
Assignee:
HITACHI VANTARA, LTD., Yokohama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 17/04 (2006.01);
U.S. Cl.
CPC ...
G01N 17/04 (2013.01);
Abstract
A detection apparatus attached to a target apparatus, the detection apparatus including: a first resistance element attached to a power supply; a second resistance element connected in series to the first resistance element; and a detection unit that acquires an intermediate voltage between the first resistance element and the second resistance element, in which the second resistance element is exposed to a surrounding atmosphere of the apparatus, and in which the detection unit detects a sign of corrosion of the apparatus caused by the surrounding atmosphere based on a change in the intermediate voltage.