INTERNATIONAL PATENT: SEMA4 NETWORKS LLC FILES APPLICATION FOR "PASSIVE HEARING TEST"

GENEVA, Jan. 27 -- SEMA4 NETWORKS LLC (Corporation Trust Center1209 Orange StreetWilmington, Delaware 19801) filed a patent application (PCT/US2025/037072) for "PASSIVE HEARING TEST" on Jul 10, 2025. With publication no. WO/2026/019626, the details related to the patent application was published on Jan 22, 2026.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): SEMA4 NETWORKS LLC (Corporation Trust Center1209 Orange StreetWilmington, Delaware 19801)

Abstract: A system can play, via headphones, a test sound comprised of a pair of tones. The system can measure, for the test sound, a DPOAE caused by t...