Granted Patent
Utility
US 6,028,874 · App. 08/877,958
Semiconductor laser
Inventors:
Mitsugu Wada, Toshiaki Fukunaga
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Jun 17, 1997
Inventors
Mitsugu Wada
Toshiaki Fukunaga
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.