David Williams has been granted 17 US patents while listed as an inventor at Hitachi . The first was granted in 1994 and the most recent in August 2018. David Williams ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list David Williams in Cambridge, GB.
Patents per Year Patents granted per year, 1994 to 2018 Bar chart with a peak of 3 patents in 2012. peak 3 1994: 1 patents 1994 2000: 1 patents 2002: 2 patents 2002 2003: 1 patents 2004: 2 patents 2004 2011: 2 patents 2012: 3 patents 2012 2013: 1 patents 2014: 1 patents 2014 2015: 1 patents 2018: 2 patents 2018
Issued Patents All Time
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Showing 1–17 of 17 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
10055690 Quantum leakage suppression method Aleksey Andreev 2018-08-21
9941430 Silicon-based quantum dot device Aleksey Andreev , Ryuta Tsuchiya , Yuji Suwa 2018-04-10
9093163 Magnetoresistive device Joerg Wunderlich , Jan Zemen , Claude Chappert , Bryan Gallagher , Thibaut Devolder 2015-07-28
8711523 Stacked magnetoresistance device responsive to a magnetic field generally perpendicular to a side face running along a channel of the device Susumu Ogawa , Hiroshi Fukuda , Katsuyoshi Washio 2014-04-29
8587897 Magnetic field sensor Aleksey Andreev , Ernesto E. Marinero , Bruce Alvin Gurney , Thomas Dudley Boone, Jr. 2013-11-19
8125742 Fabrication of mesoscopic lorentz magnetoresistive structures Bruce Alvin Gurney , Ernesto E. Marinero , Andrew Stuart Troup , Joerg Wunderlich 2012-02-28
$165,000
8116042 Magnetoresistance device Susumu Ogawa , Andrew Stuart Troup , Hiroshi Fukuda 2012-02-14
$116,000
8094417 Magnetoresistance device Susumu Ogawa , Andrew Stuart Troup , Hiroshi Fukuda 2012-01-10
$79,000
8035932 Lorentz magnetoresistive sensor with integrated signal amplification Bruce Alvin Gurney , Ernesto E. Marinero , Andrew Stuart Troup , Joerg Wunderlich 2011-10-11
$75,000
7893426 Single-charge tunnelling device Jorg Wunderlich , Tomas Jungwirth , Andrew Irvine , Bryan Gallagher 2011-02-22
$122,000
6787794 Quantum computer Paul Cain , Andrew Ferguson 2004-09-07
$202,000
6771012 Apparatus for producing a flux of charge carriers Haroon Ahmed , David Hasko , Alex Driskill-Smith 2004-08-03
$175,000
6635898 Quantum computer Paul Cain 2003-10-21
$170,000
6483100 Photonic device Jeremy John Baumberg 2002-11-19
$90,000
6455872 Photo-detector Albert Herble , Jeremy Allam 2002-09-24
$120,000
6088604 Superconductor-normal conductor junction device Adrian Marsh , Haroon Ahmed , Bruce Alphenaar 2000-07-11
$481,000
5324976 Phonon controlled conductivity device — 1994-06-28
$72,000
