The registration site is here (Payvent).

  • For authors: At least one of the authors must finish registration before May 9 (final paper submission deadline). Otherwise, the paper will not be included in the proceedings.
  • For other participants: Please finish registration before June 18.
  • No refund is permitted after the registration.
  • For further information, please contact the ISS2021 secretariat (

Registration Fees

Registration TypeFee
Regular (members in Japan*/overseas participants)JPY6,000
Regular (non-members in Japan)JPY9,000
  • *Members of the main sponsor, co-sponsor and cooperative organizations for this symposium are regarded as members in the above table.
  • The registration fees include an electronic copy of the proceedings. A hard copy is available at JPY3,000, which will be sent to your address after the symposium.