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:
Jan. 27, 2026
Filed:
Jan. 19, 2023
Seiko Epson Corporation, Tokyo, JP;
Tomohide Onogi, Shiojiri, JP;
Chikara Kojima, Matsumoto, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A fluidic deviceincludes: a channelthat extends along an X axis and through which a fluid S flows; a standing wave generation partthat generates a standing wave SW transmitting along a Y axis in the fluid S in the channel; a transmission and reception partthat transmits an ultrasonic wave to the fluid S in the channeland receives the ultrasonic wave transmitted through the fluid S; a time-of-flight measurement unitthat measures a time of flight that is a period of time from when the transmission and reception parttransmits the ultrasonic wave to when the transmission and reception partreceives the ultrasonic wave; and a drive control unitthat controls driving of the standing wave generation partbased on the time of flight of the ultrasonic wave.