Granted Patent
Utility
US 6,813,293 · App. 10/301,380
Long wavelength VCSEL with tunnel junction, and implant
Inventors:
Ralph H. Johnson, Tzu-Yu Wang
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Nov 21, 2002
Inventors
Ralph H. Johnson
Tzu-Yu Wang
Assignee (at issue)
FINISAR 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.