In the light of the current situation of COVID-19, HFO2021 is planned to be held as an onsite-online mixed meeting. The Committee will continue to pay close attention to the influence of COVID-19, please find updates on this Website.


Online registration and extended abstract submission system will be available from 1st November 2020.



Early bird

Before 9th April 2021

After 9th April 2021
On site
Speakers, IIR, JSRAE, JFMA, JRAIA, ORACIA members & sponsors 60,000 JPY 70,000 JPY 80,000 JPY
Members of organization or Scientific committees 60,000 JPY 70,000 JPY 80,000 JPY
Regular 80,000 JPY 90,000 JPY 100,000 JPY
Students 30,000 JPY 35,000 JPY 40,000 JPY
Accompanying persons 10,000 JPY 12,000 JPY 14,000 JPY





















Important Dates

Paper Submission

Abstract Submission
November 15, 2020
Deadline: 05:00 p.m., November 29, 2020 (Japan time)
Notification of abstract acceptance
December 20, 2020
Manuscript submission
January 31, 2021
Notice of Manuscript Acceptance
March 19, 2021
Final Manuscript Submission Deadline
April 16, 2021


 Coming soon



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