Take either "Tokyo Monorail" or "Airport Bus" to go to Hamamatsucho Station or Tokyo Station.
a. 13 minutes to Hamamatsucho Station by Tokyo Monorail
b. 50 to 60 minutes to Tokyo Station by Airport Bus
Take JR train from Hamamatsucho Station/Tokyo Station to Akihabara Station, which is one of the closest stations to JQA.
From Hamamatsucho Station to Akihabara Station:
7-9 minutes by JR Keihin Tohoku Line or JR Yamanote Line
From Tokyo Station to Akihabara Station:
3-4 minutes by JR Keihin Tohoku Line or JR Yamanote Line
Our office is on the 17th Floor of JR Kanda Manseibashi Building.