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:
Dec. 03, 2019
Filed:
Dec. 15, 2016
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventors:
Kazuaki Karasawa, Hadano, JP;
Michio Ushigome, Atsugi, JP;
Satoru Momose, Atsugi, JP;
Ryozo Takasu, Isehara, JP;
Osamu Tsuboi, Kawasaki, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/12 (2006.01); G01N 33/00 (2006.01); G01N 27/407 (2006.01);
U.S. Cl.
CPC ...
G01N 27/12 (2013.01); G01N 27/4077 (2013.01); G01N 33/0009 (2013.01); G01N 33/0027 (2013.01); G01N 33/0054 (2013.01); Y02A 50/246 (2018.01);
Abstract
A gas sensor device includes: a sensor film including a sensor surface and a resistance which increases with an increase in an amount of gas adsorbed on the sensor surface; a first electrode, a second electrode, and a third electrode that are electrically coupled to the sensor film; and a protective film that covers the sensor surface in a region between the first electrode and the second electrode, wherein the sensor surface is exposed in a region near the third electrode.