Granted Patent
Utility
US 6,697,553 · App. 10/077,581
Compact, low insertion loss, high yield arrayed waveguide grating
Inventors:
Jyoti Kiron Bhardwaj, Robert J. Brainard, David J. Chapman, Douglas E. Crafts, Zi-Wen Dong, David J. Dougherty, Erik Egan, James F. Farrell, Mark Farrelly, Niranjan Gopinathan, Kenzo Ishida, David K. Nakamoto, Thomas Nguyen, Suresh Ramalingam, Steven M. Swain, Sanjay Thekdi, Anantharaman Vaidyanathan, Hiroaki Yamada, Yingchao Yan
Patented Case
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Granted: Feb 24, 2004
Filed: Feb 15, 2002
Inventors
Jyoti Kiron Bhardwaj
Robert J. Brainard
David J. Chapman
Douglas E. Crafts
Zi-Wen Dong
David J. Dougherty
Erik Egan
James F. Farrell
Mark Farrelly
Niranjan Gopinathan
Kenzo Ishida
David K. Nakamoto
Thomas Nguyen
Suresh Ramalingam
Steven M. Swain
Sanjay Thekdi
Anantharaman Vaidyanathan
Hiroaki Yamada
Yingchao Yan
Assignee (at issue)
JDS Uniphase Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.