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USPTO Patent Rankings Data through Sept 30, 2025
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Thomas M. Maffitt — 4 Patents in 2021

IBM: 4 patents #1,501 of 11,638Top 15%
Burlington, VT: #5 of 53 inventorsTop 10%
Vermont: #35 of 475 inventorsTop 8%
Overall (2021): #38,749 of 548,734Top 8%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11152063 Writing multiple levels in a phase change memory Chung H. Lam, Scott C. Lewis, Jack Morrish 2021-10-19
10998045 Writing multiple levels in a phase change memory Chung H. Lam, Scott C. Lewis, Jack Morrish 2021-05-04
10943658 Writing multiple levels in a phase change memory Chung H. Lam, Scott C. Lewis, Jack Morrish 2021-03-09
10937496 Writing multiple levels in a phase change memory Chung H. Lam, Scott C. Lewis, Jack Morrish 2021-03-02