4th Infrastructure Maintenance Expo

Key facts

Attendance 2025

21 342

Exhibitors

—

Floor space

—

Admission

—

Frequency

Annual

Editions

1 (2026)

Attendance and exhibitor figures for 2025 are the organizer's own and are not independently audited. They may include co-located or joint exhibitions.

4th Infrastructure Maintenance Expo is an annual trade fair in Tokyo covering lifespan estimation, assessment and monitoring. The most recent edition on record ran 13–15 May 2026 at Tokyo Big Sight; no future date has been announced. The 2025 edition reported 21,342 visitors, a figure published by the organiser and not independently audited. Organised by Government & Public Sector Week Executive Committee.

What is exhibited

• 3D measurement
• AI
• Assessment
• Auditing
• Drones
• IoT
• Lifespan estimation
• Maintenance and operational management of social infrastructure: Inspection
• Monitoring
• PM and DM services
• Robots
• Sensing

J-messe subject tags

JETRO's own classification, kept verbatim. Fairs carry several; the sector in the sidebar is the single one this site browses by.

• Logistics & Warehousing
• Public Infrastructure
• Rail Transport

Editions on record

Every dated instance of this fair the database holds. A series keeps one identity across renames and moves; each row below is one edition of it.

Where this came from

Field-level provenance for the most recent edition: what each fact came from, how far it is trusted, and when it was last checked.