Darius Sullivan — 15 Patents at 3M

Darius Sullivan has been granted 15 US patents while listed as an inventor at 3M. The first was granted in 2005 and the most recent in August 2025. Darius Sullivan ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Darius Sullivan in Cambridge, GB.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12392820	Test system with adjustable delay line and radiation feedback control	Bryan Edward Cole, Simon Chandler	2025-08-19
11921154	Test system	Bryan Edward Cole, Simon Chandler	2024-03-05
11366158	Test system for testing the integrity of an electronic device	Bryan Edward Cole, Simon Chandler	2022-06-21
8274480	Contact sensitive device	—	2012-09-25
8217917	Touch sensing with touch down and lift off sensitivity	Nicholas P. R. Hill	2012-07-10	$33,968,000
8106888	Vibration sensing touch input device	Nicholas P. R. Hill	2012-01-31	$26,126,000
8059107	Touch sensitive device employing bending wave vibration sensing and excitation transducers	Nicholas P. R. Hill	2011-11-15	$13,795,000
7515138	Distinguishing vibration signals from interference in vibration sensing touch input devices	—	2009-04-07	$24,863,000
7411584	Touch sensitive device employing bending wave vibration sensing and excitation transducers	Nicholas P. R. Hill	2008-08-12	$12,508,000
7376523	Contact sensitive device	Nicholas Patrick Roland Hill	2008-05-20
7315300	Touch sensitive device employing impulse reconstruction	Nicholas P. R. Hill	2008-01-01
7277087	Touch sensing with touch down and lift off sensitivity	Nicholas P. R. Hill	2007-10-02	$23,591,000
7184898	Contact sensitive device	Nicholas Patrick Roland Hill	2007-02-27
6922642	Contact sensitive device	—	2005-07-26
6871149	Contact sensitive device	Nicholas Patrick Roland Hill	2005-03-22

Darius Sullivan — 15 Patents

Issued Patents All Time

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