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:
Apr. 23, 2024
Filed:
Feb. 13, 2019
Hitachi Automotive Systems, Ltd., Hitachinaka, JP;
Takayuki Yogo, Hitachinaka, JP;
Binti Haridan Fatin Farhanah, Hitachinaka, JP;
Akira Uenodan, Hitachinaka, JP;
Noboru Tokuyasu, Hitachinaka, JP;
Takahiro Miki, Hitachinaka, JP;
Hiroaki Hoshika, Hitachinaka, JP;
HITACHI ASTEMO, LTD., Hitachinaka, JP;
Abstract
An object of the present invention is to provide a compact air flow rate measuring device with improved stain resistance. A physical quantity detecting device of the present invention includes: a semiconductor element having a flow rate detection unit; a circuit boardsupporting the semiconductor element; and a conductive coverfixing the circuit board, and the semiconductor element is fixed to the circuit boardsuch that the flow rate detection unitfaces the cover