Granted Patent
Utility
US 6,535,536 · App. 09/828,888
Semiconductor laser element
Inventors:
Toshiaki Fukunaga, Kenji Matsumoto, Mitsugu Wada
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Apr 10, 2001
Inventors
Toshiaki Fukunaga
Kenji Matsumoto
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.