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. 08, 2023
Filed:
Sep. 26, 2019
Applicant:
Eagle Industry Co., Ltd., Tokyo, JP;
Inventor:
Takuto Fukuhara, Tokyo, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/64 (2006.01);
U.S. Cl.
CPC ...
G01N 21/6456 (2013.01); G01N 2201/06113 (2013.01);
Abstract
There is provided is sliding body surface evaluation method and apparatus configured so that a temporal change in a transformed portion at a sliding portion of a sliding body can be observed. The method includes a first step of irradiating, with an electromagnetic wave, a sliding portion of a sliding body sliding on a sliding target body, a second step of detecting light emitted from the sliding portion irradiated with the electromagnetic wave, and a third step of deriving a change in a light emission state of the sliding portion.