Granted Patent
Utility
US 6,546,034 · App. 09/748,175
Semiconductor laser device, semiconductor laser array device and optical fiber transmission system
Inventors:
Masaaki Komori, Masahiro Aoki, Kazuhisa Uomi, Kazuhiko Hosomi
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Dec 27, 2000
Inventors
Masaaki Komori
Masahiro Aoki
Kazuhisa Uomi
Kazuhiko Hosomi
Assignee (at issue)
HITACHI, LTD.
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.