Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Cho — 8 Patents

NTNorthgate Technologies: 2 patents #10 of 31Top 35%
Samsung: 2 patents #38,282 of 75,807Top 55%
Citrus Heights, CA: #20 of 237 inventorsTop 9%
California: #74,834 of 386,348 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
David Cho has been granted 8 US patents while listed as an inventor at Northgate Technologies. The first was granted in 2000 and the most recent in December 2023. David Cho ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list David Cho in Citrus Heights, CA, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11847675 Method and system for facilitating a marketplace for labor arbitrage Bill Borden Shook 2023-12-19
10959510 Toothbrush structure 2021-03-30
9944361 Motorized board for use on water 2018-04-17
9763756 Apparatus and system for making dental impressions 2017-09-19
8992217 Apparatus and method for use in creating dental prosthetics 2015-03-31
8383323 Selective imaging through dual photoresist layers Pedro Morrison, Kevin Soukup, Karla Mendoza 2013-02-26
6528739 Fluid container sensor Albert Nowosielski, Russell James Kuzelka, Charles Zander, Raymond Jacobs 2003-03-04
6121555 Fluid container sensor Albert Nowosielski, Russell James Kuzelka, Charles Zander, Raymond Jacobs 2000-09-19