Granted Patent
Utility
US 6,661,503 · App. 09/485,723
Method for manufacturing optic transmission modules and system for inspecting bit error rate characters
Inventors:
Kazuo Yamaguchi, Takashi Minato, Shinzoo Nishiyama, Atsushi Murata, Naohiko Baba, Tsutomu Yoshiya, Kazumi Kawamoto, Kyouichi Yamamoto, Kazuo Aoyama
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: May 12, 2000
Inventors
Kazuo Yamaguchi
Takashi Minato
Shinzoo Nishiyama
Atsushi Murata
Naohiko Baba
Tsutomu Yoshiya
Kazumi Kawamoto
Kyouichi Yamamoto
Kazuo Aoyama
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.