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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David C. Ma — 2 Patents

MIT: 1 patents #4,386 of 9,367Top 50%
Alcatel Lucent: 1 patents #2,436 of 4,169Top 60%
Cambridge, MA: #3,974 of 8,183 inventorsTop 50%
Massachusetts: #42,563 of 88,656 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David C. Ma has been granted 2 US patents while listed as an inventor at Alcatel Lucent. The first was granted in 2001 and the most recent in April 2012. David C. Ma ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David C. Ma in Cambridge, MA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8159950 Determining processor occupancy of a cluster of home location registers Dennis J. Wiest, Barrett D. Milliken 2012-04-17 $1,697,000
6237452 Precision high speed turning machine Stephen J. Ludwick, David L. Trumper 2001-05-29