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. 31, 2026
Filed:
Jan. 18, 2023
Soxai Inc., Kanagawa, JP;
Tatsuhiko Watanabe, Yokohama, JP;
SOXAI INC., Yokohama, JP;
Abstract
A wearable device to accurately detect biometric information of the user. The wearable device includes a ring body; a light emitting element which is disposed in the ring body, and is configured to emit light toward a center side of a ring; and a first optical element which is disposed in the ring body to be closer to the center side of the ring than the light emitting element, and is configured to change a direction of travel of the light to a direction narrowing a directional angle of the light. The ring body includes a protrusion on an inner peripheral surface of the ring body where the first optical element is disposed, and the protrusion is formed to protrude closer to the center side of the ring than another part of the inner peripheral surface where the first optical element is not disposed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile