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USPTO Patent Rankings Data through Dec 31, 2025
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William Densham — 18 Patents

O2O2Micro: 16 patents #11 of 174Top 7%
0L02Micro International Limited: 1 patents #20 of 69Top 30%
PCPoqet Computer: 1 patents #4 of 8Top 50%
Los Gatos, CA: #486 of 2,986 inventorsTop 20%
California: #33,102 of 386,348 inventorsTop 9%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
William Densham has been granted 18 US patents while listed as an inventor at O2Micro. The first was granted in 1992 and the most recent in September 2015. William Densham ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list William Densham in Los Gatos, CA, US.

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9130378 Systems and methods for balancing battery cells Constantin Bucur, Flavius Lupu, Jiun Heng Goh, Stefan Maireanu 2015-09-08
9071049 System and methods for protection of battery modules 2015-06-30
8907625 Battery management systems with vertical bus circuits Allan Flippin, Jiun Heng Goh, Constantin Bucur, Flavius Lupu, Stefan Maireanu 2014-12-09
8598844 Systems and methods for balancing battery cells Constantin Bucur, Flavius Lupu, Jiun Heng Goh, Stefan Maireanu 2013-12-03
8587264 System, method and apparatus to automatically detect a type of a variable output DC power source Marian Niculae, Constantin Bucur 2013-11-19 $747,000
8502503 Circuits and methods for protection of battery modules 2013-08-06
8248259 Protection circuit with timer Constantin Bucur, Jiun Heng Goh, Flavius Lupu 2012-08-21
8148942 Charging systems with cell balancing functions Constantin Bucur, Flavius Lupu, Jiun Heng Goh, Stefan Maireanu 2012-04-03 $734,000
8049471 System, method and apparatus to automatically detect a type of a variable output DC power source Marian Niculae, Constantin Bucur 2011-11-01 $1,276,000
7973515 Power management systems with controllable adapter output Han-Jung Kao, Liusheng Liu 2011-07-05
7800510 Battery systems with embedded cell monitors 2010-09-21
7777463 System, method and apparatus to automatically detect a type of a variable output DC power source Marian Niculae, Constantin Bucur 2010-08-17 $1,049,000
7526349 Low power digital audio decoding/playing system for computing devices Reginia Chan, James Lam, Sheau Her, Sterling Du 2009-04-28 $1,282,000
7522965 Low power digital audio decoding/playing system for computing devices Reginia Chan, Sheau Her, James Lam, Sterling Du 2009-04-21 $744,000
7088076 Power management for battery powered appliances Vlad Popescu-Stanesti, Constantin Spiridon 2006-08-08 $2,567,000
6741066 Power management for battery powered appliances Vlad Popescu-Stanesti, Constantin Spiridon 2004-05-25 $7,654,000
6507173 Single chip power management unit apparatus and method Constantin Spiridon, Vlad Popescu-Stanesti, You-Yuh Shyr, Alexandru Hartular 2003-01-14 $8,284,000
5132871 Battery powered disk drive system having a smart connector for a portable computer John Zolkos 1992-07-21