Granted Patent
Utility
US 6,670,202 · App. 10/234,326
Semiconductor laser and fabricating method therefor
Inventor:
Masanori Watanabe
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Sep 5, 2002
Inventor
Masanori Watanabe
Assignee (at issue)
SHARP KABUSHIKI KAISHA
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.