Granted Patent
Utility
US 6,137,815 · App. 08/993,178
Semiconductor laser
Inventors:
Masanori Sasao, Yoji Okazaki
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Dec 18, 1997
Inventors
Masanori Sasao
Yoji Okazaki
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.