Granted Patent
Utility
US 6,738,403 · App. 09/826,851
Semiconductor laser element and semiconductor laser
Inventors:
Toshiaki Kuniyasu, Toshiro Hayakawa, Toshiaki Fukunaga
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Apr 6, 2001
Inventors
Toshiaki Kuniyasu
Toshiro Hayakawa
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.