Granted Patent
Utility
US 6,810,213 · App. 09/788,218
Optical module and optical transceiver
Inventors:
Koichiro Tonehira, Hiroshi Yamamoto, Kenji Yoshimoto, Michihide Sasada, Tetsuya Aoki
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Feb 19, 2001
Inventors
Koichiro Tonehira
Hiroshi Yamamoto
Kenji Yoshimoto
Michihide Sasada
Tetsuya Aoki
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.