Wikipedia
, established in 1999, is the holding company at the head of a Japanese corporate group that supplies statistics and information on music and the music industry in Japan. It started as , which was founded by Sōkō Koike in November 1967 and became known for its music charts. Oricon Inc. was originally set up as a subsidiary of Original Confidence and took over the latter’s Oricon record charts in April 2002.
In 2006, Oricon sued journalist Hiro Ugaya when he was quoted in a Cyzo magazine article suggesting that Oricon was fiddling its statistics to benefit certain management companies and labels, specifically Johnny and Associates. Ugaya condemned the lawsuit as an example of a strategic lawsuit against public participation (SLAPP) in Japan. The charges were later dropped by Oricon after a 33-month battle that laid waste to the reporter's life. No charge was held against the journalist.
They are compiled using data drawn from some 39,700 retail outlets (as of April 2011) and provide sales rankings of music CDs, DVDs, electronic games, and other entertainment products based on weekly tabulations. Results are announced every Tuesday and published in Oricon Style by subsidiary Oricon Entertainment Inc. The group also lists panel survey-based popularity ratings for television commercials on its official website.