MUMBAI, India, March 28 -- Intellectual Property India has published a patent application (202517004051 A) filed by Niterra Co. Ltd., Aichi, Japan, on Jan. 17, for 'lead-free piezoelectric composition and piezoelectric element.'

Inventor(s) include Hirose Yoshinobu; Ichihashi Kentaro; and Yamazaki Masato.

The application for the patent was published on March 28, under issue no. 13/2025.

According to the abstract released by the Intellectual Property India: "A lead-free piezoelectric composition according to the present invention comprises a main phase containing an alkali niobate perovskite oxide, and a sub-phase containing a Mn-Ti-O oxide, the maximum particle diameter of the Mn-Ti-O oxide in the sub-phase being 35 m or less, and the nu...