The Keisei Skyliner express train service ... there are three options for getting to RIKEN. The JR Narita Express (NEX) requires roughly 90 minutes and no transfers of trains between Narita Airport ...

"Smooth boarding without waiting in line after arriving at the airport can be expected," a Keisei official said ... In addition to Ueno, Narita Airport Terminal 1, and Terminal 2 and 3 stations ...