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

David L. Freeman — 20 Patents

TITexas Instruments: 11 patents #1,295 of 12,488Top 15%
BMBenchmarq Microelectronics: 8 patents #3 of 17Top 20%
Plano, TX: #315 of 4,842 inventorsTop 7%
Texas: #6,926 of 125,132 inventorsTop 6%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
David L. Freeman has been granted 20 US patents while listed as an inventor at Texas Instruments. The first was granted in 1994 and the most recent in November 2020. David L. Freeman ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list David L. Freeman in Plano, TX, US.

Patents per Year

Patents granted per year, 1994 to 2020Bar chart with a peak of 3 patents in 1995.peak 31994: 2 patents19941995: 3 patents1996: 1 patents19961998: 1 patents1999: 1 patents19992000: 1 patents2002: 2 patents20022003: 2 patents2004: 2 patents20042005: 1 patents2013: 2 patents20132015: 1 patents2020: 1 patents2020

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10823581 Sensor power management Sriram Narayanan, Marco Corsi 2020-11-03 $37,378,000
9222802 Sensor power management Sriram Narayanan, Marco Corsi 2015-12-29 $12,350,000
8575845 Method and apparatus to measure light intensity Tobin Hagan, Marco Corsi 2013-11-05 $9,557,000
8570012 Diode for use in a switched mode power supply Tobin Hagan, Marco Corsi 2013-10-29 $11,432,000
6892148 Circuit and method for measurement of battery capacity fade Evgenij Barsoukov, Dan R. Poole 2005-05-10 $25,858,000
6832171 Circuit and method for determining battery impedance increase with aging Evgenij Barsoukov, Dan R. Poole 2004-12-14 $19,692,000
6789026 Circuit and method for monitoring battery state of charge Evgenij Barsoukov, Dan R. Poole 2004-09-07 $12,102,000
6650089 Control circuit for multiple battery systems with capacity gauge on end equipment Jose Antonio Vieira Formenti 2003-11-18 $27,068,000
6577135 Battery pack with monitoring function utilizing association with a battery charging system Wallace Edward Matthews, John Landau 2003-06-10 $37,868,000
6377028 System for charging monitoring batteries for a microprocessor based method Gene L. Armstrong, II, William F. Davies, Jr. 2002-04-23 $25,096,000
6369576 Battery pack with monitoring function for use in a battery charging system Wallace Edward Matthews, John Landau 2002-04-09 $38,304,000
6107802 Battery pack with monitoring function utilizing association with a battery charging system Wallace Edward Matthews, John Landau 2000-08-22
5965997 Battery monitoring circuit with storage of charge and discharge accumulation values accessible therefrom Milad Alwardi, Wallace Edward Matthews, Dave Heacock 1999-10-12
5744942 Linear slewing regulator Gene L. Armstrong, II 1998-04-28 $1,912,000
5548204 Linear/switching regulator circuit Gene L. Armstrong, II 1996-08-20 $1,216,000
5454710 Display system for a battery monitoring circuit John Landau, Wallace Edward Matthews 1995-10-03
5440221 Method and apparatus for monitoring batttery capacity with charge control John Landau, Wallace Edward Matthews 1995-08-08
5432429 System for charging/monitoring batteries for a microprocessor based system Gene L. Armstrong, II, William F. Davies, Jr. 1995-07-11
5357203 Battery monitoring circuit for operating with high battery discharge rates John Landau, Wallace Edward Matthews 1994-10-18
5284719 Method and apparatus for monitoring battery capacity John Landau, Wallace Edward Matthews 1994-02-08