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. 24, 2026
Filed:
Jul. 02, 2020
Rohm Co., Ltd., Kyoto, JP;
Atsushi Yamaguchi, Kyoto, JP;
Koki Sakamoto, Kyoto, JP;
ROHM CO., LTD., Kyoto, JP;
Abstract
This semiconductor laser device comprises: a semiconductor laser element; a switching element connected in series to the semiconductor laser element, the switching element having a gate electrode, a drain electrode, and a source electrode; capacitors connected in parallel to the semiconductor laser element and the switching element; first drive electroconductive parts to which first terminals of the capacitors are connected; a second drive electroconductive part positioned apart from the first drive electroconductive parts; first drive connection members that connect the first drive electroconductive parts and the source electrode; and a second drive connection member that connects the second drive electroconductive part and the source electrode.