Granted Patent
Utility
US 6,437,899 · App. 09/643,248
Opto-electric conversion semiconductor device
Inventor:
Masaki Noda
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Aug 22, 2000
Inventor
Masaki Noda
Assignee (at issue)
MITSUBISHI ELECTRIC CORPORATION
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.