Granted Patent
Utility
US 6,730,898 · App. 10/119,416
Photoelectric converter
Inventor:
Satoshi Machida
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Apr 8, 2002
Inventor
Satoshi Machida
Assignee (at issue)
SEIKO INSTRUMENTS INC.
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.