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:
Aug. 04, 2026
Filed:
Jun. 11, 2021
Sumitomo Electric Industries, Ltd., Osaka, JP;
Sumitomo Electric Device Innovations, Inc., Yokohama, JP;
Satoshi Yoshimura, Osaka, JP;
Masanobu Kawamura, Yokohama, JP;
Kazushige Oki, Yokohama, JP;
Kuniyuki Ishii, Yokohama, JP;
Fumihiro Nakajima, Yokohama, JP;
Kazunobu Kobayashi, Osaka, JP;
Abstract
An optical transmitter according to one embodiment includes: a plurality of light emitting elements; a plurality of light receiving elements that monitor output lights from the respective plurality of light emitting elements; a housing that mounts the plurality of light emitting elements and the plurality of light receiving elements; and a wiring board which is mounted on the housing and which is provided with a first region having a pad electrically connected to the light emitting element and a second region disposed at a position lower than the first region and having a pad electrically connected to the light receiving element.