Granted Patent
Utility
US 6,303,968 · App. 09/490,327
Semiconductor light-receiving element
Inventor:
Takanobu Kobayashi
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: Jan 24, 2000
Inventor
Takanobu Kobayashi
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.