Intellectual Property India Publishes Patent Application for Ventilation Film, Ventilation Member, And Light Emitting Device

MUMBAI, India, June 26 -- Intellectual Property India has published a patent application (202617007807 A) filed by Nitto Denko Corporation on January 27, 2026, for Ventilation Film, Ventilation Member, And Light Emitting Device.

Inventors include Hayashi Kahoko; Uemura Kou; and Matsuda Takayuki.

The application for the patent was published on June 19, 2026, under issue no. 25/2026.

Abstract: Provided is a ventilation film which has air permeability in the thickness direction, is colored, and has a first main surface and a second main surface that is positioned on the opposite side of the first main surface. The second main surface has a greater lightness than the first main surface. The absolute value of the lightness difference between ...