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. 21, 2026
Filed:
Nov. 28, 2022
Applicant:
Furukawa Electric Co., Ltd., Tokyo, JP;
Inventors:
Kazuya Nagashima, Tokyo, JP;
Atsushi Izawa, Tokyo, JP;
Atsushi Kaji, Tokyo, JP;
Go Kobayashi, Tokyo, JP;
Assignee:
FURUKAWA ELECTRIC CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/42 (2006.01);
U.S. Cl.
CPC ...
G02B 6/4271 (2013.01); G02B 6/4244 (2013.01); G02B 6/4257 (2013.01); G02B 6/4269 (2013.01);
Abstract
An optical module includes: a casing in which light is propagated; a heating portion; a device arranged inside the casing and configured to change, when heated, characteristics of the light propagated inside the casing; and a first member thermally connected to the heating portion and the device, the first member including a hollow arranged in a heat transfer path from the heating portion to the device and configured to prevent convective heat transmission to an inside of the casing.