Granted Patent
Utility
US 6,693,337 · App. 10/015,681
Semiconductor photodetection device
Inventors:
Yoshihiro Yoneda, Ikuo Hanawa
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Dec 17, 2001
Inventors
Yoshihiro Yoneda
Ikuo Hanawa
Assignee (at issue)
Fujitsu Quantum Devices 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.