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

Phuong Huynh — 96 Patents

SLSigmasense, Llc.: 66 patents #7 of 22Top 35%
FSFreeescale Semiconductor: 11 patents #266 of 3,767Top 8%
UNUnknown: 6 patents #2,010 of 83,584Top 3%
PAPhilips Electronics North America: 4 patents #88 of 725Top 15%
Qualcomm: 1 patents #7,593 of 12,104Top 65%
Fairfax, VA: #5 of 1,249 inventorsTop 1%
Virginia: #78 of 34,511 inventorsTop 1%
Overall (All Time): #15,731 of 4,157,543Top 1%
96 Patents All Time
Phuong Huynh has been granted 96 US patents while listed as an inventor at Sigmasense, Llc.. The first was granted in 1999 and the most recent in November 2025. Phuong Huynh ranks #15,731 of 4,157,543 US inventors in our database (top 0.38%). Patent records list Phuong Huynh in Fairfax, VA, US.

Patents per Year

Patents granted per year, 1999 to 2025Bar chart with a peak of 23 patents in 2024.peak 231999: 3 patents19992000: 1 patents2004: 1 patents20042005: 2 patents2006: 2 patents20062007: 1 patents2008: 1 patents20082009: 2 patents2010: 1 patents20102011: 1 patents2014: 12 patents20142018: 1 patents2020: 3 patents20202021: 13 patents2022: 7 patents20222023: 15 patents2024: 23 patents20242025: 7 patents2025

Issued Patents All Time

Showing 1–25 of 96 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12481400 Enhanced capacitance touch screen display and methods for use therewith Richard Stuart Seger, JR., Michael P. Gray, Daniel Keith Van Ostrand, Hans Howard Eilers, Kevin Joseph Derichs +2 more 2025-11-25
12449462 Drive sense circuit with transient suppression Patrick Troy Gray 2025-10-21
12407196 Wireless power transfer and communications John Christopher Price, Daniel Keith Van Ostrand 2025-09-02
12352713 Organic and/or inorganic material test system using differential drive-sense circuits Daniel Keith Van Ostrand, Richard Stuart Seger, JR., Gerald Dale Morrison, Patrick Troy Gray, Timothy W. Markison +1 more 2025-07-08
12308851 Companding analog current to digital converter 2025-05-20
12216862 Current reference operative drive-sense circuit (dsc) with voltage amplifier Patrick Troy Gray, Daniel Keith Van Ostrand, Richard Stuart Seger, JR. 2025-02-04
12203965 Wheatstone bridge high accuracy impedance sensing circuit with increased signal to noise ratio (SNR) 2025-01-21
12126354 Transceiver operative as energy harvesting source and data collector within batteryless wireless sensor system 2024-10-22
12105906 Analog front end channel driver circuit Patrick Troy Gray 2024-10-01
12100290 Biological test system data processing Daniel Keith Van Ostrand, Richard Stuart Seger, JR., Gerald Dale Morrison, Patrick Troy Gray, Timothy W. Markison +1 more 2024-09-24
12100291 Data processing module of a biological test system Daniel Keith Van Ostrand, Richard Stuart Seger, JR., Gerald Dale Morrison, Patrick Troy Gray, Timothy W. Markison +1 more 2024-09-24
12079429 Compensated enhanced capacitance touch screen display and methods for use therewith Richard Stuart Seger, JR., Michael Shawn Gray, Daniel Keith Van Ostrand, Hans Howard Eilers, Kevin Joseph Derichs +2 more 2024-09-03
12025646 Drive sense circuit Patrick Troy Gray 2024-07-02
12021541 High resolution analog to digital converter (ADC) with improved bandwidth 2024-06-25
12021540 Differential current sensing circuit 2024-06-25
12009828 Power sensing circuit 2024-06-11
11984906 Batteryless wireless sensor device 2024-05-14
11979173 Single-ended direct interface dual DAC feedback photo-diode sensor 2024-05-07
11974105 Noise canceling audio in/out device John Christopher Price, Daniel Keith Van Ostrand, Patrick Troy Gray 2024-04-30
11973512 Batteryless wireless sensor system 2024-04-30
11962323 Dual RF-DC batteryless wireless sensor device 2024-04-16
11949244 Wireless power transfer adaptation and communications John Christopher Price, Daniel Keith Van Ostrand 2024-04-02
11942967 Single-ended direct interface DAC feedback and current sink photo-diode sensor 2024-03-26
11942794 Power amplifier based wireless power transfer and communications John Christopher Price, Daniel Keith Van Ostrand 2024-03-26
11942793 Wireless power transfer with in-line sensing and control based on detection of chargeable device John Christopher Price, Daniel Keith Van Ostrand 2024-03-26