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

Xiaofeng Ren — 27 Patents

Amazon: 23 patents #465 of 19,158Top 3%
Huawei: 2 patents #5,512 of 15,535Top 40%
ACAlibaba (China) Co.: 1 patents #25 of 67Top 40%
ALAlibaba: 1 patents #1,069 of 2,313Top 50%
Yarrow Point, WA: #4 of 26 inventorsTop 20%
Washington: #3,049 of 76,902 inventorsTop 4%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
Xiaofeng Ren has been granted 27 US patents while listed as an inventor at Amazon. The first was granted in 2017 and the most recent in June 2025. Xiaofeng Ren ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Xiaofeng Ren in Yarrow Point, WA, US.

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12333491 Determining inventory changes at an inventory location Avishkar Misra, Ohil Krishnamurthy Manyam, Liefeng Bo, Sudarshan Narasimha Raghavan, Christopher Robert Towers +2 more 2025-06-17
12211004 Detecting inventory changes Dilip Kumar, Elie Micah Kornfield, Alexander Clark Prater, Sridhar Boyapati, Chang Yuan 2025-01-28
12190520 Pyramid architecture for multi-scale processing in point cloud segmentation Dong Nie 2025-01-07
11694301 Learning model architecture for image data semantic segmentation Dong Nie, Jia Xue 2023-07-04
11663829 Determining inventory changes at an inventory location Avishkar Misra, Ohil Krishnamurthy Manyam, Liefeng Bo, Sudarshan Narasimha Raghavan, Christopher Robert Towers +2 more 2023-05-30 $451,753,000
11568632 Item identification among a variant of items Sudarshan Narasimha Raghavan, Michel Leonard Goldstein, Ohil Krishnamurthy Manyam 2023-01-31 $228,631,000
11526840 Detecting inventory changes Dilip Kumar, Elie Micah Kornfield, Alexander Clark Prater, Sridhar Boyapati, Chang Yuan 2022-12-13 $201,262,000
11412185 Management of sensor failure in a facility Emilio Ian Maldonado, Daniel Bibireata, Nishitkumar Ashokkumar Desai, Yasser Baseer Asmi, Jaechul Kim 2022-08-09 $213,002,000
11288539 Tiered processing for item identification Ohil Krishnamurthy Manyam, Minmin Chen, Liefeng Bo, Dilip Kumar 2022-03-29 $283,868,000
11080316 Context-inclusive face clustering Ranju Das, Wei Xia, Meng Wang 2021-08-03 $284,422,000
11034516 Generation of footprint data for items Navid Shiee, Michel Leonard Goldstein, Ramanathan Palaniappan, Gopi Prashanth Gopal, Ohil Krishnamurthy Manyam +2 more 2021-06-15 $269,309,000
10873726 Management of sensor failure in a facility Emilio Ian Maldonado, Daniel Bibireata, Nishitkumar Ashokkumar Desai, Yasser Baseer Asmi, Jaechul Kim 2020-12-22 $517,812,000
10789483 Image based inventory item counting Avishkar Misra, Ohil Krishnamurthy Manyam, Liefeng Bo, Sudarshan Narasimha Raghavan, Christopher Robert Towers +2 more 2020-09-29 $435,991,000
10769488 Item variation management Sudarshan Narasimha Raghavan, Michel Leonard Goldstein, Ohil Krishnamurthy Manyam 2020-09-08 $193,427,000
10713614 Weight and vision based item tracking Ohil Krishnamurthy Manyam, Minmin Chen, Liefeng Bo, Dilip Kumar 2020-07-14 $267,767,000
10679177 Using depth sensing cameras positioned overhead to detect and track a movement of a user within a materials handling facility Frank Florian Liberato, Jr., Jaechul Kim, Daniel Bibireata, Chen Xu 2020-06-09 $210,601,000
10671856 Detecting item actions and inventory changes at an inventory location Ohil Krishnamurthy Manyam, Avishkar Misra, Liefeng Bo, Sudarshan Narasimha Raghavan, Christopher Robert Towers +2 more 2020-06-02 $166,505,000
10657411 Item identification Ohil Krishnamurthy Manyam, Minmin Chen, Liefeng Bo, Dilip Kumar 2020-05-19 $194,493,000
10384869 Optical item management system Navid Shiee, Michel Leonard Goldstein, Ramanathan Palaniappan, Gopi Prashanth Gopal, Ohil Krishnamurthy Manyam +2 more 2019-08-20 $99,757,000
10366306 Item identification among item variations Sudarshan Narasimha Raghavan, Michel Leonard Goldstein, Ohil Krishnamurthy Manyam 2019-07-30 $109,354,000
10332066 Item management system using weight Ramanathan Palaniappan, Navid Shiee, Michel Leonard Goldstein, Dilip Kumar, Gopi Prashanth Gopal +1 more 2019-06-25 $111,951,000
10268983 Detecting item interaction and movement Dilip Kumar, Elie Micah Kornfield, Alexander Clark Prater, Sridhar Boyapati, Chang Yuan 2019-04-23 $122,659,000
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
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
9996818 Counting inventory items using image analysis and depth information Ohil Krishnamurthy Manyam, Avishkar Misra, Liefeng Bo, Sudarshan Narasimha Raghavan, Christopher Robert Towers +2 more 2018-06-12 $95,539,000