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:
Oct. 19, 2021
Filed:
Feb. 26, 2020
Koichi Watanabe, Tokyo, JP;
Koichi Watanabe, Kawasaki, JP;
MITSUMI ELECTRIC CO., LTD., Tokyo, JP;
Abstract
A light guide guides light emitted by a light source to a portion around an illumination target. The light guide includes a light incident portion that the light emitted by the light source enters; a light emitting portion that is provided around the illumination target and emits the light that has entered; and a light distributing portion that distributes the light that has entered from the light source directly toward the light emitting portion and has at least a curved surface shape. The light incident portion is arranged at a position facing a light emitting surface of the light source and has a width so as to cover at least the light emitting surface of the light source.