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  "published_at": "2026-06-04T04:29:19Z",
  "summary": {
    "name": "summary",
    "value": "Interior permanent magnet machine with axially varying permanent magnet size is marketed for licensing by Wisconsin Alumni Research Foundation. It is documented in US patent US 10,003,228. The current assignee of record is Wisconsin Alumni Research Foundation. Google Patents reports its legal status as \u201cActive\u201d (an automated indicator, not a legal determination). Its expected expiration is 2036-06-29.",
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    "institution": "Wisconsin Alumni Research Foundation",
    "listing_url": "https://www.warf.org/technologies/summary/P150363US01/"
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}