PIERS 2025 Chiba　• 47 Countries • 1,600+ Delegates • a Global Scientific Conference with Lasting Impact

In November 2025, Chiba Prefecture successfully hosted the Photonics and Electromagnetics Research Symposium (PIERS 2025 Chiba), welcoming over 1,600 researchers and engineers from 47 countries.Held at the Makuhari Messe convention center from November 5 to 9, PIERS is one of the world’s leading conferences in photonics and electromagnetics, covering key sectors such as communications, healthcare, disaster prevention and energy. A historic highlight was the attendance of His Majesty the Emperor of Japan at the opening ceremony, marking the first such occasion in PIERS history and underscoring the global significance of the event.

 

Why Chiba

Chiba offers a reliable, high-performing destination for international associations and PCOs.

Strategic Accessibility: Convenient access from both Narita and Haneda International Airports ensures seamless global connectivity.

World-Class Infrastructure: Makuhari Messe provides large-scale, flexible facilities capable of hosting complex, multi-track conferences.

Integrated Destination Support: Strong collaboration between Chiba Prefecture, the City of Chiba, Makuhari Messe and the Chiba Convention Bureau ensured smooth planning and execution from the bidding stage to on-site delivery.

 

Impact

PIERS 2025 Chiba was a significant event, one worthy of attention by international organizers:

•47 countries represented

•1,600+ delegates

•Large-scale parallel technical sessions

•Strengthened global research collaboration

The event generated an estimated economic impact ofapproximately ¥376 million, benefiting local accommodation,transportation and service sectors.

 

Legacy and Community Engagement

Beyond the academic exchange at the conference, PIERS also created meaningful social impact:

 

Science Outreach: Public lectures by experts from Chiba University and Weathernews connected advanced research with Chiba residents.

Next Generation Engagement: Interest in STEM was boosted through hands-on science workshops for elementary school students, including a program building radios.

Cultural Experience: A traditional yakatabune nighttime boat reception on Tokyo Bay provided international delegates with opportunities to experience Japanese culture while networking.

 

These initiatives strengthened connections between the global scientific community and the local community, creating a lasting relationship.

 

A Proven Model for International Conferences

PIERS 2025 Chiba demonstrated how Japan destinations can deliver both operational excellence and long-term value:

 

・High-quality knowledge exchange                 ・Strong public–private collaboration

・Community engagement and education     ・Lasting social and cultural impact

Chiba stands out as a trusted partner for associations and PCOs seeking impactful and well-executed events.

 

Chiba Convention Bureau

Chiba Convention Bureau is your strategic partner for international meetings, delivering end-to-end support from winning bids to flawless execution. Backed by strong public–private collaboration, we maximize both event success and long-term legacy.

His Majesty the Emperor of Japan

addresses the opening ceremony