ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,457, issued on Sept. 8, was assigned to PANASONIC HOLDINGS Corp. (Osaka, Japan).

"Group III nitride crystal manufacturing apparatus having a growth chamber that includes a multilayer body or a porous body made of at least one element having a catalytic effect for a decomposition reaction of a nitrogen element-containing gas" was invented by Yusuke Mori (Suita, Japan), Masashi Yoshimura (Suita, Japan), Masayuki Imanishi (Suita, Japan), Shigeyoshi Usami (Suita, Japan), Akira Kitamoto (Suita, Japan), Junichi Takino (Osaka, Japan), Masayuki Hoteida (Osaka, Japan) and Shunichi Matsuno (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A group I...