Granted Patent
Utility
US 5,689,378 · App. 08/718,651
Laser diode module
Inventors:
Yuichirou Takashima, Kozo Yamazaki, Mitsuharu Ishii, Toshimitsu Kumagai, Masanori Ohkawa
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Sep 26, 1996
Inventors
Yuichirou Takashima
Kozo Yamazaki
Mitsuharu Ishii
Toshimitsu Kumagai
Masanori Ohkawa
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.