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

Irshad Khan — 3 Patents

DODomtar: 2 patents #9 of 68Top 15%
UTUniversity Of Cape Town: 1 patents #62 of 167Top 40%
Montréal, CA: #1,345 of 4,862 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Irshad Khan has been granted 3 US patents while listed as an inventor at Domtar. The first was granted in 1980 and the most recent in August 2010. Irshad Khan ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Irshad Khan in Montréal, QC, CA.

Patents per Year

Patents granted per year, 1980 to 2010Bar chart with a peak of 1 patents in 1980.peak 11980: 1 patents19801987: 1 patents19872010: 1 patents2010

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7775257 Casting method and apparatus Wessel Marthinus Cronje 2010-08-17
4654152 Base mix fabric softener Samuel Cukier 1987-03-31 $9,090,000
4213867 Fabric conditioning compositions Samuel Cukier 1980-07-22 $1,247,000