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:
May. 19, 2026
Filed:
Aug. 04, 2023
Furukawa Electric Co., Ltd., Tokyo, JP;
Ayato Okada, Tokyo, JP;
Yuta Ishige, Tokyo, JP;
FURUKAWA ELECTRIC CO. , LTD., Tokyo, JP;
Abstract
An optical apparatus includes: at least one optical component configured to reflect first light that travels in a first direction toward a second direction, transmit second light that travels in the second direction, and generate leaked light traveling in the first direction, the leaked light including a first component transmitted in the first direction in the first light and a second component reflected toward the first direction in the second light; a first processing unit configured to absorb the leaked light, and reflect the leaked light in a predetermined direction; and at least one second processing unit configured to absorb the leaked light coming from the first processing unit.