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:
Oct. 26, 2021
Filed:
Dec. 27, 2017
Applicant:
Fujitsu Limited, Kawasaki, JP;
Inventors:
Naoki Harada, Atsugi, JP;
Shintaro Sato, Atsugi, JP;
Kenjiro Hayashi, Hadano, JP;
Junichi Yamaguchi, Atsugi, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/12 (2006.01); G01N 27/414 (2006.01); G01N 33/00 (2006.01);
U.S. Cl.
CPC ...
G01N 27/127 (2013.01); G01N 27/4146 (2013.01); G01N 33/0054 (2013.01); G01N 27/4141 (2013.01); Y02A 50/20 (2018.01);
Abstract
A gas sensor includes: a semiconductor layer; a graphene film provided above the semiconductor layer and having at least a portion in contact with gas; and a barrier film between the semiconductor layer and the graphene film.