Granted Patent
Utility
US 6,826,211 · App. 09/955,948
Diode laser controling module and applied equipment thereof
Inventors:
Kimio Tatsuno, Katsumi Kuroguchi, Hiroaki Furuichi, Atsuhiro Yamamoto, Norio Nakazato
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Sep 20, 2001
Inventors
Kimio Tatsuno
Katsumi Kuroguchi
Hiroaki Furuichi
Atsuhiro Yamamoto
Norio Nakazato
Assignees (at issue)
HITACHI, LTD.
Opnext Japan, Inc.
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.