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

Harry Chang — 3 Patents

ATAT&T: 2 patents #7,295 of 18,772Top 40%
Honeywell: 1 patents #10,052 of 16,504Top 65%
Medina, MN: #34 of 87 inventorsTop 40%
Minnesota: #19,251 of 52,454 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Harry Chang has been granted 3 US patents while listed as an inventor at AT&T. The first was granted in 2014 and the most recent in January 2017. Harry Chang ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Harry Chang in Medina, MN, US.

Patents per Year

Patents granted per year, 2014 to 2017Bar chart with a peak of 1 patents in 2014.peak 12014: 1 patents20142016: 1 patents20162017: 1 patents2017

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9536520 Multimedia search application for a mobile device 2017-01-03 $28,648,000
9386133 Voice control module for mobile instruments Mary C. Parks 2016-07-05 $20,918,000
8635073 Wireless multimodal voice browser for wireline-based IPTV services 2014-01-21 $16,825,000