Granted Patent
Utility
US 6,507,084 · App. 09/880,298
Semiconductor light-receiving element
Inventor:
Hisao Nagata
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Jun 13, 2001
Inventor
Hisao Nagata
Assignee (at issue)
NIPPON SHEET GLASS COMPANY, 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.