Yes! Yitran is a standard in the following forums:
HomePlug - In 2006, Yitran’sIT800 transceiver technology was selected as the baseline technology for theHomePlug Command and Control standard, following a bake-off including nine other companies from around the world. Additional evaluation and comparisons were conducted by Microsoft, Siemens, LG, Hitachi, Mitsubishi, RadioShack, GE, Haier, Motorola and others.
Echonet - In 2004, Yitran was selected as the C standard by the Echonet forum in Japan.