NTT DoCoMo, Japan’s largest wireless carrier, remains in talks with Apple to offer the iPhone in Japan, according to a new report. Citing DoCoMo president and CEO Ryuji Yamada, the Wall Street Journal reports that certain requirements have made it difficult for the companies to come to an agreement. “We haven’t given up our hope of introducing the iPhone”, Yamada told Dow Jones Newswires in an interview, but Apple typically…