{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "IBM", "item": "https://www.patentleaderboard.com/company/ibm"}, {"@type": "ListItem", "position": 3, "name": "Horst Ruffner", "item": "https://www.patentleaderboard.com/inventor/fl:ho_ln:ruffner-1"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HR

Horst Ruffner — 1 Patent

IBM: 1 patents #44,878 of 70,183Top 65%
Stuttgart, DE: #3,282 of 5,983 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Horst Ruffner has been granted 1 US patent while listed as an inventor at IBM. All of these patents were granted in 2012. Horst Ruffner ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Horst Ruffner in Stuttgart, DE.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8201134 Method to avoid malconnections with respect to voltage levels of electronic components of circuit boards during circuit board design Klaus Thumm 2012-06-12 $5,600,000