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USPTO Patent Rankings Data through Sept 30, 2025
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Xiaofeng Ren — 6 Patents in 2019

Amazon: 6 patents #195 of 4,177Top 5%
Yarrow Point, WA: #2 of 9 inventorsTop 25%
Washington: #540 of 14,738 inventorsTop 4%
Overall (2019): #20,582 of 560,194Top 4%
6 Patents 2019

Issued Patents 2019

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10384869 Optical item management system Navid Shiee, Michel Leonard Goldstein, Ramanathan Palaniappan, Gopi Prashanth Gopal, Ohil Krishnamurthy Manyam +2 more 2019-08-20
10366306 Item identification among item variations Sudarshan Narasimha Raghavan, Michel Leonard Goldstein, Ohil Krishnamurthy Manyam 2019-07-30
10332066 Item management system using weight Ramanathan Palaniappan, Navid Shiee, Michel Leonard Goldstein, Dilip Kumar, Gopi Prashanth Gopal +1 more 2019-06-25
10268983 Detecting item interaction and movement Dilip Kumar, Elie Micah Kornfield, Alexander Clark Prater, Sridhar Boyapati, Chang Yuan 2019-04-23
10169660 Counting inventory items using image analysis Avishkar Misra, Ohil Krishnamurthy Manyam, Liefeng Bo, Sudarshan Narasimha Raghavan, Christopher Robert Towers +2 more 2019-01-01
10169677 Counting stacked inventory using image analysis Liefeng Bo, Ohil Krishnamurthy Manyam, Avishkar Misra, Sudarshan Narasimha Raghavan, Christopher Robert Towers +2 more 2019-01-01