MUMBAI, India, June 13 -- Intellectual Property India has published a patent application (202517051807 A) filed by Tosoh Corporation, Yamaguchi, Japan, on May 29, for 'powder.'

Inventor(s) include Hasegawa Yuusuke; Hosoi Kouhei; Nagayama Hitoshi; Tsuchiya Satoshi; Fukiage Taku; Kawamura Kenta; Itou Akiko; and Sugawara Ryou.

The application for the patent was published on June 13, under issue no. 24/2025.

According to the abstract released by the Intellectual Property India: "The present invention provides at least either of: a powder from which it is possible to obtain a zirconia sintered body that contains manganese as a main coloring element, that is black, that has high destruction toughness, and that exhibits less variability in colo...