International Patent: QUADRUPLE-MODE RESONATOR AND QUADRUPLE-MODE RESONATOR FILTER

GENEVA, Aug. 31 -- RYUKOKU UNIVERSITY filed a patent application (JP2026/005568) for “QUADRUPLE-MODE RESONATOR AND QUADRUPLE-MODE RESONATOR FILTER”. With publication no. WO/2026/177103, here are the other details related to the patent application:

Kind: Initial Publication with ISR [A1]

IPC: H01P 1/208

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

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