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:
Sep. 07, 2021
Filed:
Jun. 05, 2017
Nihon University, Tokyo, JP;
Takashi Kaneda, Tokyo, JP;
NIHON UNIVERSITY, Tokyo, JP;
Abstract
A dental caries diagnosis device comprising a light source which is configured to emit examination light (R) and a light receiving unit () which is configured to receive the examination light (R) with which a tooth has been irradiated includes: a head-side casing (1) which is inserted into a mouth in a contactless manner with respect to a tooth or a gum and which projects the examination light (R) toward a tooth; and a filter () which is disposed in front of the light receiving unit () and which is configured to remove a noise component from the received light, wherein the light receiving unit () is configured to receive the examination light (R) which has been transmitted through the tooth.