DD

David K. Donald

HP HP: 15 patents #128 of 7,018Top 2%
AT Agilent Technologies: 7 patents #277 of 3,411Top 9%
Nortel Networks Limited: 1 patents #2,518 of 5,294Top 50%
Overall (All Time): #175,776 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6888069 Equipment tray for simplified insertion and removal of rack-mounted equipment Edward Chen, Michael Bishop, David Pell 2005-05-03
6415074 Devices and methods for optical communication systems Kelvin Chau, Kiet Ngo, Joseph A. Parker, III 2002-07-02
6407835 Single site for healing dual optical rings 2002-06-18
6398850 Gas extraction device for extracting gas from a microfluidics system Leslie A. Field, Phillip W. Barth, Jonathan Servaites, Storrs T. Hoen 2002-06-04
6360775 Capillary fluid switch with asymmetric bubble chamber Phillip W. Barth, Leslie A. Field 2002-03-26
6320994 Total internal reflection optical switch Julie E. Fouquet, Mark A. Troll 2001-11-20
6299673 Gas extraction device for extracting gas from a microfluidics system Leslie A. Field, Phillip W. Barth, Jonathan Servaites, Storrs T. Hoen, Jonah A. Harley 2001-10-09
6212956 High output capacitative gas/liquid detector Leslie A. Field, Phillip W. Barth, Storrs T. Hoen 2001-04-10
6212308 Thermal optical switches for light 2001-04-03
6208778 Non-perpendicular optical paths for a crosstalk-inhibiting switching arrangement 2001-03-27
6198856 Optical switch having test ports Dale W. Schroeder, Wayne V. Sorin, Shalini Venkatesh 2001-03-06
6062681 Bubble valve and bubble valve-based pressure regulator Leslie A. Field, Stefano Schiaffino, Phillip W. Barth, Storrs T. Hoen, Naoto Kawamura +2 more 2000-05-16
5978527 Thermal optical switches for light 1999-11-02
5960131 Switching element having an expanding waveguide core Julie E. Fouquet, Datong Chen, Kok-Wai Chang 1999-09-28
5852689 Method for making fluid optical switches 1998-12-22
5828799 Thermal optical switches for light 1998-10-27
5732168 Thermal optical switches for light 1998-03-24
5699462 Total internal reflection optical switches employing thermal activation Julie E. Fouquet, Phillip W. Barth, Kok-Wai Chang, Leslie A. Field, Eric G. Hanson +1 more 1997-12-16
5448579 Polarization independent picosecond fiber laser Kok-Wai Chang, Hong-Yu Lin 1995-09-05
5436925 Colliding pulse mode-locked fiber ring laser using a semiconductor saturable absorber Hong-Yu Lin, Kok-Wai Chang 1995-07-25
5365531 Apparatus and method for initializing an optical-fiber laser for mode locking Hong-Yu Lin, Wayne V. Sorin 1994-11-15
4805237 Parametric diode amplifier Shih-Yuan Wang, Tirumala R. Ranganath, Steven A. Newton, William Trutna, David M. Bloom +1 more 1989-02-14
4490728 Thermal ink jet printer John L. Vaught, Frank L. Cloutier, John D. Meyer, Christopher Tacklind, Howard H. Taub 1984-12-25
4336544 Method and apparatus for drop-on-demand ink jet printing Michael Lee, John L. Vaught 1982-06-22