Granted Patent
Utility
US 6,800,914 · App. 10/224,115
Semiconductor photodetector device and manufacturing method thereof
Inventors:
Kazuhiro Ito, Shigehisa Tanaka, Sumiko Fujisaki, Yasunobu Matsuoka, Takashi Toyonaka
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Aug 19, 2002
Inventors
Kazuhiro Ito
Shigehisa Tanaka
Sumiko Fujisaki
Yasunobu Matsuoka
Takashi Toyonaka
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.