Granted Patent
Utility
US 6,575,641 · App. 09/970,782
Laser diode module
Inventors:
Naoyuki Yamabayashi, Yoshiki Kuhara
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Oct 5, 2001
Inventors
Naoyuki Yamabayashi
Yoshiki Kuhara
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.