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LTB-3D 2021 will be held ONLINE.
(Oct. 5-7: Zoom/Webinar, Oct. 11: Zoom/Meeting)

Registration and Payment


The Steering Committee of LTB-3D 2021 has determined that the format of LTB-3D 2021 is switched to ONLINE because of the recent status of COVID-19 epidemic. Due to the change in format, the Steering Committee strictly prohibits participants to LTB-3D 2021 from

  • Audio/picture recording, filming and capturing a screenshot of the presentations or personal information of the participants without permission of the Steering Committee or the participants.
  • Audio/picture recording, filming the presentations and posting them on websites or social media.
  • Providing the contents provided at LTB-3D 2021 to the third party or publishing the contents available to the third party.

All the participants are mandatorily requested to comply with the above prohibitions.


Press the button below to register yourself or to update your data.



Total amount can be paid by credit card.

Registration Fee

Category Early Registration
(through September 15th)
(after September 16th)

Regular JPY 30,000 JPY 38,000
Member JPY 20,000 JPY 28,000
Student JPY 10,000 JPY 18,000

Full registration fee includes 1 access to sessions of LTB-3D and Satellite Workshop.

Important date:

  • Manuscript (one-page summary) Submission Deadline: June 25th, 2021 (closed)
  • Acceptance/Rejection Notification: July 16th, 2021
  • Improved Final version of One-page Summary Deadline: Sept. 10th, 2021
  • Completed Copyright Transfer Form Deadline: Sept. 10th, 2021
  • Presentation Materials Deadline: Sept. 10th, 2021
  • Conference: Oct. 5th-11th, 2021