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. 18, 2025
Filed:
Dec. 24, 2019
Nisshinbo Holdings Inc., Tokyo, JP;
Japan Radio Co., Ltd., Tokyo, JP;
Ueda Japan Radio Co., Ltd., Ueda, JP;
Daisuke Seo, Ueda, JP;
Yasuhiro Toriyama, Mitaka, JP;
Nisshinbo Holdings Inc., Tokyo, JP;
Japan Radio Co., Ltd., Tokyo, JP;
Ueda Japan Radio Co., Ltd., Ueda, JP;
Abstract
The objective of the present invention is to measure gas concentration with a high degree of accuracy. A gas sensor is provided with: a sensor enclosure: an ultrasonic transducer provided at one end of the sensor enclosure; an ultrasonic wave reflecting surface which is provided at the other end of the sensor enclosure and which intersects an axial direction of the sensor enclosure; and a plurality of ventilation holes provided in a side wall of the sensor enclosure. The plurality of ventilation holes are provided at positions such that one side of the sensor enclosure cannot be seen from the other side thereof when viewed from a side surface side of the sensor enclosure, and each ventilation hole has a shape extending in the axial direction of the sensor enclosure.