Granted Patent
Utility
US 6,127,691 · App. 09/199,815
Semiconductor laser device
Inventors:
Toshiaki Fukunaga, Mitsugu Wada
Patented Case
View Patent ↗
Granted: Oct 3, 2000
Filed: Nov 25, 1998
Inventors
Toshiaki Fukunaga
Mitsugu Wada
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.