International Patent: VARIABLE WAVELENGTH FILTER, VARIABLE WAVELENGTH LASER, AND METHOD FOR MANUFACTURING SAME

GENEVA, Oct. 15 -- NTT, INC. filed a patent application (JP2025/014048) for “VARIABLE WAVELENGTH FILTER, VARIABLE WAVELENGTH LASER, AND METHOD FOR MANUFACTURING SAME”. With publication no. WO/2026/215981, here are the other details related to the patent application:

Kind: Initial Publication with ISR [A1]

IPC: G02B 6/124

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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