Granted Patent
Utility
US 6,793,388 · App. 09/873,218
Semiconductor laser and fabricating method of the same
Inventor:
Kenji Matsumoto
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Jun 5, 2001
Inventor
Kenji Matsumoto
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.