Granted Patent
Utility
US 6,359,921 · App. 09/650,636
Semiconductor laser element having resonator surface coated with oxygen gettering layer and high thermal conductivity layer
Inventor:
Fusao Yamanaka
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Aug 30, 2000
Inventor
Fusao Yamanaka
Assignee (at issue)
Fujitsu Limited
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.