Steven E. Marum has been granted 12 US patents while listed as an inventor at Texas Instruments . The first was granted in 1980 and the most recent in March 2013. Steven E. Marum ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Steven E. Marum in Sherman, TX, US.
Patents per Year Patents granted per year, 1980 to 2013 Bar chart with a peak of 3 patents in 2000. peak 3 1980: 2 patents 1980 1988: 1 patents 1988 1990: 1 patents 1990 1993: 1 patents 1993 1996: 2 patents 1996 2000: 3 patents 2000 2007: 1 patents 2007 2013: 1 patents 2013
Issued Patents All Time
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Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8391469 Methods and apparatus to decode dual-tone signals Kenneth L. Williams 2013-03-05
$5,832,000
7274545 ESD clamp with “trailing pulse” suppression Dening Wang 2007-09-25
$14,695,000
6137338 Low resistance input protection circuit Charvaka Duvvury , Michael O. Chaine 2000-10-24
$69,122,000
6125021 Semiconductor ESD protection circuit Charvaka Duvvury , Amitava Chatterjee 2000-09-26
$190,873,000
6100719 Low-voltage bus switch maintaining isolation under power-down conditions Christopher Michael Graves 2000-08-08
$71,555,000
5506742 Circuitry and structures for electrostatic discharge protection — 1996-04-09
$10,728,000
5500546 ESD protection circuits using Zener diodes Karl Kraus 1996-03-19
$9,327,000
5268588 Semiconductor structure for electrostatic discharge protection — 1993-12-07
$6,158,000
4920286 Method and circuitry for compensating for negative internal ground voltage glitches Janet L. Wise 1990-04-24
$4,040,000
4725747 Integrated circuit distributed geometry to reduce switching noise Dale P. Stein , Sam M. Weaver , James C. Spurlin 1988-02-16
$11,636,000
4199714 Voltage regulator for integrated injection logic electronic system with liquid crystal display — 1980-04-22
$10,192,000
4189909 Integrated injection logic electronic system with voltage regulator for multiplexed liquid crystal display — 1980-02-26
$5,900,000