Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Bob Yuan — 14 Patents

MSMicrofluidic Systems: 13 patents #1 of 9Top 15%
FIFisher Controls International: 1 patents #250 of 440Top 60%
Belmont, CA: #236 of 1,494 inventorsTop 20%
California: #43,920 of 386,348 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Bob Yuan has been granted 14 US patents while listed as an inventor at Microfluidic Systems. The first was granted in 2009 and the most recent in November 2015. Bob Yuan ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Bob Yuan in Belmont, CA, US.

Patents per Year

Patents granted per year, 2009 to 2015Bar chart with a peak of 6 patents in 2009.peak 62009: 6 patents20092010: 5 patents20102011: 1 patents20112012: 1 patents20122015: 1 patents2015

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
9182266 Liquid level detectors 2015-11-10
8133451 Sample preparation apparatus 2012-03-13
7988935 Handheld and portable microfluidic device to automatically prepare nucleic acids for analysis Nima Aflaatooni 2011-08-02
7858366 Integrated airborne substance collection and detection system Allen Northrup, Farzad Pourahmadi, Amy J. Devitt 2010-12-28
7815718 Automated particle collection off of fan blades into a liquid buffer Chun-Wah Lin 2010-10-19
7785868 Apparatus to automatically lyse a sample Allen Northrup, Farzad Pourahmadi 2010-08-31
7785869 Sonication to selectively lyse different cell types Phillip Belgrader 2010-08-31
7705739 Integrated airborne substance collection and detection system Allen Northrup, Farzad Pourahmadi, Amy J. Devitt 2010-04-27
7633606 Integrated airborne substance collection and detection system Allen Northrup, Farzad Pourahmadi, Amy J. Devitt 2009-12-15
7618588 Disposable integrated heater and tube assembly for thermally-driven chemical reactions Chun-Wah Lin 2009-11-17
7607641 Microfluidic valve mechanism 2009-10-27
7553647 Microfluidic differential extraction cartridge Nima Aflatooni 2009-06-30
7541166 Sonication to selectively lyse different cell types Phillip Belgrader 2009-06-02
7491527 Microfluidic differential extraction cartridge Nina Aflatooni 2009-02-17