Granted Patent
Utility
US 6,678,479 · App. 09/516,912
Semiconductor electro-absorption optical modulator integrated light emission element light emission element module and optical transmission system
Inventors:
Kazuhiko Naoe, Kazuhisa Uomi, Masahiro Aoki, Minoru Fujita
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Mar 1, 2000
Inventors
Kazuhiko Naoe
Kazuhisa Uomi
Masahiro Aoki
Minoru Fujita
Assignee (at issue)
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.