These are the locations in Japan where Google’s new indoor maps feature is available:
Narita International Airport
Haneda Airport, International Terminal
Haneda Airport, Domestic Terminal
JR East in Tokyo and Chiba (main stations)
Tokyu Corp. (main stations)
Tokyo Midtown
Daimaru
Matsuzakaya
Tokyu
Mitsukoshi
Takashimaya
Odakyu
Isetan
Keio
Matsuya
Seibu
Tobu
Printems Ginza
Marui
Marunouchi Building
Shin-Marunouchi Building
Marunouchi Oazo
Marunouchi Brick Square
Tokia Tokyo Building
Shibuya 109
109 Men’S
Miraikan
Roppongi Hills
Venus Fort
Tokyu Hands Shibuya
Decks Tokyo Beach
Remy Gotanda
LaLaport Toyosu
The National Museum of Emerging Science and Innovation (Miraikan)
Source: Google Inc.