Registration Fees
Registration will start in early July
This conference will be held in-person format only.
| Early Bird Before October 10, 2025 |
Regular On and after October 11, 2025 |
|
|---|---|---|
| Presenting authors | 80,000 JPY | ------ |
| Member* | 80,000 JPY | 85,000 JPY |
| Non-member** | 85,000 JPY | 90,000 JPY |
| Student member* | 30,000 JPY | 33,000 JPY |
| Student non-member** | 33,000 JPY | 38,000 JPY |
| Technical Tour | TBA | |
| Banquet (Dec 17) | 10,000 JPY | |
- * Member of JSME and cooperating organizations***, Tax exempt
- ** Tax included
- 1) Days and times showing this website is based on JST/UTC+0900
- 2) Presenting authors are required to complete the registration by Friday, October 10, 2025 and make the payment.
- 3) One registration can cover one paper. Each accepted paper must be covered by at least one registration.
- *** Cooperating organizations
The Society of Automotive Engineers of Japan, The Visualization Society of Japan, Institute for Liquid Atomization and Spray Systems – Japan, The Japan Institute of Energy, Gas Turbine Society of Japan, Combustion Society of Japan, The Japan Institute of Marine Engineering, Japan Internal Combustion Engine Federation, Japan Land Engine Manufacturers Association, The Japan Petroleum Institute, Catalysis Society of Japan, The Ceramic Society of Japan, The Japan Society of Fluid Mechanics, The Japan Society for Computational Engineering and Science, Japan Society for Simulation Technology, Turbomachinery Society of Japan
Registration Fees includes:
- - Access to the Opening and Closing Ceremonies
- - Access to Keynote Lectures
- - Access to Technical Sessions
- - Digital book of Extended Abstracts and Program, etc.
- - Coffee Break
- - Welcome Party
Banquet
We are planning to have a banquet on Day 2. Seating for the party is first come, first served.
- Date
- Thursday, December 17, 2025
- Time
- TBA
- Price
- 10,000 JPY
- Place
- Hotel New Otani Makuhari (opposite the conference venue)
Payment Methods
- - Credit Card (VISA / MasterCard / Amex / Diners / JCB)
Invoice and Receipt
Invoices and receipts can be generated from your registration account.
Cancellation Policy
Notice of cancellations must be made in writing to the secretariat (comodia2025@ec-mice.com). The following cancellation fees will apply, based on the date when the office receives your cancellation notification. "No Shows" are not eligible for a refund. We regret that we cannot offer refunds for "No Shows onsite or online"; however, substitute attendees are welcome.
| Date of Cancellation | Cancellation Fees |
|---|---|
| Until October 10, 2025 | No cancellation Fee (Full Refund) |
| On and after October 11, 2025 | 100% of Registration Fee (No Refund) |
Cancellation Policy of Banquet
No refunds will be made for cancellations received after November 15, 2025.
*The refund will be made after the conference via credit card you registered.
Invitation Letters for Visa Application
If you need an invitation letter in order to apply for a visa to enter Japan, you MUST complete your registration with payment to this conference. Then, please contact the registration office with your registration ID. You will be given an application form for the invitation letter which you should fill in and submit to the secretariat. After you submit the form, you will receive the invitation letter by international mail service in 1-2 weeks. The procedure is subject to change according to the Japanese Government's policy.
Who needs an entry visa?
Please confirm whether or not you need a visa at the following URL:
https://www.mofa.go.jp/j_info/visit/visa/index.html (Ministry of Foreign Affairs of Japan)
Deadline for Application
October 31, 2025 (JST/UTC+0900)
Disclaimer
The organizing committee reserves the right to cancel or postpone the COMODIA2025 or to change the schedule or the venue without prior notice, due to the act of God or on the occurrence of any event of force majeure. The organizing committee will not be liable for any loss or inconvenience caused as a result of such alterations.
Registration will start in early July.