TSE:7911Commercial Services
Is SoftBank HAPS Materials Collaboration Reshaping the Advanced Materials Investment Case For TOPPAN Holdings (TSE:7911)?
In late April 2026, SoftBank Corp. announced it had jointly developed with TOPPAN Holdings a lightweight, highly durable wing skin and testing method for solar-powered High-Altitude Platform Station (HAPS) aircraft, aiming for test production and broader use ahead of SoftBank’s planned commercial HAPS services from 2029.
By combining TOPPAN’s multi-layer film and durability testing expertise with SoftBank’s stratospheric flight data, the partners created materials that can withstand extreme...