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:
Sep. 09, 2025
Filed:
Jan. 24, 2024
Asahi Kasei Microdevices Corporation, Tokyo, JP;
Takaaki Furuya, Tokyo, JP;
Keiichiro Kuwata, Tokyo, JP;
Asahi Kasei Microdevices Corporation, Tokyo, JP;
Abstract
A gas detection apparatus includes a light emitting part; a light receiving part; and a light guiding part for guiding light from the light emitting part to the light receiving part. When a region inside the ellipsoid Eand not including the ellipsoid Eis defined as a region R, the ellipsoid Eincluding a light source region of the light emitting part is defined as an ellipsoid E, the ellipsoid Eincluding a light receiving region of the light receiving part is defined as an ellipsoid E, the region Rof the ellipsoid Eis defined as a region R, and the region Rof the ellipsoid Eis defined as a region R, the point Gis present in the region Rand the point Gout is present in the region R.