Granted Patent
Utility
US 6,800,838 · App. 10/280,396
Image sensor having reduced stress color filters and method of making
Inventor:
Katsumi Yamamoto
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Oct 25, 2002
Inventor
Katsumi Yamamoto
Assignee (at issue)
OmniVision International Holding, 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.