Japanese regulators are summoning Apple execs to their offices to give the Cupertino company a strict dressing down following complaints that iTunes has billed customers for downloads they never made, officials said Monday.Officials are angry as in at least 95 cases in Japan involving five major credit card companies, iTunes customers say they have sometimes been charged “thousands of US dollars”.We have seen such cases increasing, notably since autumn last year," said an official with Japan's Consumer Affairs Agency, according to the Sydney Morning Herald. "The damage in those cases seems to range from a few hundred yen to several hundred thousand yen (from several US dollars to several thousand US dollars)."Japan's indu