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    <title>Toppan Holdings Inc. — News on 6ix</title>
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    <lastBuildDate>Mon, 27 Apr 2026 04:52:00 GMT</lastBuildDate>
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      <title>Toppan Holdings Inc.</title>
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      <title>SoftBank Corp. and TOPPAN Holdings Develop Lightweight, Durable Skin for Solar HAPS Aircraft Wings</title>
      <link>https://6ix.com/company/toppan-holdings-inc/news/softbank-corp-and-toppan-holdings-develop-lightweight-durable-skin-for-solar-haps-aircraft-wings</link>
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      <pubDate>Mon, 27 Apr 2026 04:52:00 GMT</pubDate>
      <description>SoftBank Corp. (TYO: 9434) (President &amp; CEO: Junichi Miyakawa, &quot;SoftBank&quot;) and TOPPAN Holdings Inc. (TYO: 7911) (President &amp; COO: Satoshi Oya, &quot;TOPPAN Holdings&quot;) 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&apos;s environment. Test production will go forward, and the aircraft wing skin is planned for use with HTA-type[1] HAPS, which SoftBank plans to deploy for commerci</description>
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