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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JM

John Mathew — 3 Patents

CACabot: 3 patents #184 of 601Top 35%
Nashua, NH: #582 of 1,592 inventorsTop 40%
New Hampshire: #4,183 of 12,181 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
John Mathew has been granted 3 US patents while listed as an inventor at Cabot. The first was granted in 2001 and the most recent in February 2007. John Mathew ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John Mathew in Nashua, NH, US.

Patents per Year

Patents granted per year, 2001 to 2007Bar chart with a peak of 1 patents in 2001.peak 12001: 1 patents20012002: 1 patents20022007: 1 patents2007

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7173078 Process for preparing modified pigments Melanie G. Lamprey, Paul S. Palumbo 2007-02-06 $8,333,000
6399029 Chemical processing using a dual feeder system, a sample port assembly, and a fluid flow control system William M. Porteous 2002-06-04 $3,812,000
6328894 Processes of purifying a dispersion and making inkjet inks Michael K. Chan, Joseph E. Johnson, Friedrich K. von Gottberg 2001-12-11 $20,270,000