Granted Patent
Utility
US 6,798,402 · App. 09/709,443
Received-light pattern detection apparatus
Inventors:
Junichi Takano, Isamu Kubota
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Nov 13, 2000
Inventors
Junichi Takano
Isamu Kubota
Assignee (at issue)
Namco 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.