Jan Christian Diffenderfer has been granted 11 US patents while listed as an inventor at Qualcomm . The first was granted in 1995 and the most recent in December 2016. Jan Christian Diffenderfer ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Jan Christian Diffenderfer in Escondido, CA, US.
Patents per Year Patents granted per year, 1995 to 2016 Bar chart with a peak of 5 patents in 2016. peak 5 1995: 1 patents 1995 1998: 1 patents 1998 2006: 1 patents 2006 2013: 1 patents 2013 2015: 2 patents 2015 2016: 5 patents 2016
Issued Patents All Time
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Showing 1–11 of 11 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
9520864 Delay structure for a memory interface Yuehchun Claire Cheng 2016-12-13
$9,326,000
9490785 Programmable delay circuit for low power applications Shraddha Sridhar , Guneet Singh , Michael Thomas Fertsch 2016-11-08
$7,263,000
9443572 Programmable power for a memory interface Yuehchun Claire Cheng 2016-09-13
$8,650,000
9397646 Delay circuit Guneet Singh , Yuehchun Claire Cheng , Vaishnav Srinivas , Robert W. Kim 2016-07-19
$9,830,000
9281934 Clock and data recovery with high jitter tolerance and fast phase locking Yu Song , Nan-kuei Chen , David Ian West , Paul Lawrence Viani 2016-03-08
$14,600,000
9086711 Single-ended high voltage input-capable comparator circuit Yu Song 2015-07-21
$12,283,000
8957714 Measure-based delay circuit Vaishnav Srinivas , Philip Michael Clovis , David Ian West 2015-02-17
$18,645,000
8395411 Constant impedance line driver with digitally controlled edge rate — 2013-03-12
$21,133,000
7005913 I/O buffer with wide range voltage translator — 2006-02-28
5731744 Voltage controlled oscillator — 1998-03-24
5406285 Digital-to-analog converter Joseph H. Colles 1995-04-11
$1,361,000
