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:
Jul. 01, 2025
Filed:
Mar. 27, 2023
Sumitomo Osaka Cement Co., Ltd., Tokyo, JP;
Kei Kato, Tokyo, JP;
Hideki Ichimei, Tokyo, JP;
SUMITOMO OSAKA CEMENT CO., LTD., Tokyo, JP;
Abstract
An optical device includes a housing that accommodates at least an optical waveguide element, a main body portionof the housing having an opening portion OP on one surface and a lead pin PNfixed to a side surface adjacent to the one surface, and including a metal memberdisposed to surround the opening portion OP and a lid memberthat closes the opening portion OP and is joined to the metal member, in which end portions of the metal memberand the lid memberalong the side surface of the main body portionat which the lead pin PNis disposed are located on an inner side of the main body portionthan the side surface of the main body portion