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SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

TOKYO, April 27, 2026 /PRNewswire/ -- SoftBank Corp. (TYO: 9434) (President & CEO: Junichi Miyakawa, "SoftBank") and TOPPAN Holdings Inc. (TYO: 7911) (President & COO: Satoshi Oya, "TOPPAN Holdings") jointly developed a lightweight, durable skin for use on solar High-Altitude Platform Station (HAPS) aircraft wings and devised a testing method that replicates the stratosphere's environment. Test production will go forward, and the aircraft wing

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings

Mon, 27 Apr 2026 00:52:00 -0400

Skin's compatibility with stratospheric conditions such as extreme UV rays and ultra-low temperatures makes longer HAPS operations possible

TOPPAN Digital IP Announces the Launch of STREAM IP: Revolutionizing International Patent Filing, Translation and Renewals

Tue, 04 Nov 2025 02:01:00 -0400

LONDON, Nov. 4, 2025 /PRNewswire/ -- TOPPAN Digital IP is delighted to announce the launch of STREAM IP, an advanced technology platform set to redefine the international patent filing landscape. STREAM IP brings together state-of-the-art technology and industry expertise to address long-standing challenges, offering a user-friendly, comprehensive solution for filing, translation and renewal of patents, worldwide.

TOPPAN Digital IP Announces the Launch of STREAM IP: Revolutionizing International Patent Filing, Translation and Renewals

Tue, 04 Nov 2025 02:01:00 -0400

TOPPAN Digital IP Announces the Launch of STREAM IP: Revolutionizing International Patent Filing, Translation and Renewals

Tue, 04 Nov 2025 02:01:00 -0400

TOPPAN Digital IP Announces the Launch of STREAM IP: Revolutionizing International Patent Filing, Translation and Renewals

Tue, 04 Nov 2025 02:01:00 -0400

TOPPAN Digital IP Announces the Launch of STREAM IP: Revolutionizing International Patent Filing, Translation and Renewals

Tue, 04 Nov 2025 02:01:00 -0400