Granted Patent
Utility
US 6,710,330 · App. 09/744,541
Light-receiving element array device and optical demultiplexer using the same
Inventors:
Takashi Tagami, Kenichi Nakama
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Jan 25, 2001
Inventors
Takashi Tagami
Kenichi Nakama
Assignee (at issue)
NIPPON SHEET GLASS COMPANY, 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.