List of Contact Addresses
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Address: 402, OS Bldg., 4-7 Tsukudo-cho, Shinjuku-ku, Tokyo 162-0821, Japan
JSAI Membership management office
Address: Hamada Building 5th Floor, 2-26-11 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
If you are a JSAI’s individual member, you can update your profile such as your affiliation, postal address,
e-mail address, password, and so on by onlune membership information management system (e-naf).
You can also confirm your payment status there. Please sign in the system if necessary.
JR Chuo and Sobu Line “Iidabashi Station”East Exit
Tokyo Metro Touzai Line and Yurakucho Line, Nanboku Line “Iidabashi Station”East B1 Exit
6 min walk along Okubo street
The entrance is on the left side of the building. Walkup stairs and take the elevator from the second floor.
There is no parking space on Okubo Street. Please refrain from coming by car.