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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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James Matthews — 2 Patents

AMAmeritech: 2 patents #123 of 251Top 50%
Chicago, IL: #5,248 of 13,327 inventorsTop 40%
Illinois: #34,875 of 84,256 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
James Matthews has been granted 2 US patents while listed as an inventor at Ameritech. The first was granted in 1999 and the most recent in August 2002. James Matthews ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list James Matthews in Chicago, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6442574 Structured document browser Robert Schumacher 2002-08-27
5933841 Structured document browser Robert Schumacher 1999-08-03 $721,665,000