David T. Nelson has been granted 9 US patents while listed as an inventor at IBM . The first was granted in 2004 and the most recent in June 2025. David T. Nelson ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list David T. Nelson in San Mateo, CA, US.
Patents per Year Patents granted per year, 2004 to 2025 Bar chart with a peak of 3 patents in 2018. peak 3 2004: 1 patents 2004 2017: 1 patents 2017 2018: 3 patents 2018 2021: 1 patents 2021 2022: 1 patents 2022 2023: 1 patents 2023 2025: 1 patents 2025
Issued Patents All Time
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Showing 1–9 of 9 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12318689
Reaction track for different spectator groups within an audience
Sudha Krishnamurthy , Mahdi Azmandian
2025-06-03
11547938
Identifying graphic interchange formats for including with content of a video game
Sudha Krishnamurthy , Mahdi Azmandian
2023-01-10
$602,000
11420125
Clustering audience based on expressions captured from different spectators of the audience
Sudha Krishnamurthy , Mahdi Azmandian
2022-08-23
$527,000
10992979
Modification of electronic messaging spaces for enhanced presentation of content in a video broadcast
John R. Dangler
2021-04-27
$8,613,000
10165411
Locating multiple handheld devices
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2018-12-25
9924324
Locating multiple handheld devices
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2018-03-20
$2,525,000
9897661
Automatically determining a number of functioning batteries
Da Hai Hu , Hamid Shayesteh-pour
2018-02-20
$49,495,000
9751636
Dynamic detection of landing gear deployment
John R. Dangler
2017-09-05
$2,785,000
D490279
Toothpick dispenser
Jeffery A. Pernu
2004-05-25