John A. Carpenter has been granted 8 US patents while listed as an inventor at Power Integrations . The first was granted in 1985 and the most recent in November 2025. John A. Carpenter ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list John A. Carpenter in Valparaiso, IN, US.
Patents per Year Patents granted per year, 1985 to 2015 Bar chart with a peak of 2 patents in 2012. peak 2 1985: 1 patents 1985 2012: 2 patents 2012 2013: 2 patents 2013 2014: 1 patents 2014 2015: 1 patents 2015
Issued Patents All Time
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Showing 1–8 of 8 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12483043 Bi-directional active battery cell balancer and method for bi-directional cell balancing Zhaopei Liang , Jiangli Wei , Makoto Emi 2025-11-25
9215764 High-temperature ultra-low ripple multi-stage LED driver and LED control circuits Dong Zhou , Frank Shum , Michael Trung Tran , Richard Carnes 2015-12-15
8638536 Electrostatic discharge conducting pathway having a noise filter spark gap — 2014-01-28
$6,622,000
8593069 Power converter with compensation circuit for adjusting output current provided to a constant load Douglas Kang , Taher Savliwala 2013-11-26
$1,965,000
8415890 Power converter with compensation circuit for adjusting output current provided to a constant load Douglas Kang , Taher Savliwala 2013-04-09
$3,023,000
8294377 Power converter with compensation circuit for adjusting output current provided to a constant load Douglas Kang , Taher Savliwala 2012-10-23
$5,978,000
8134817 Electrostatic discharge conducting pathway having a noise filter spark gap — 2012-03-13
$6,722,000
4553731 Fail-closed, tight seal gas safety valve system — 1985-11-19
$6,510,000