Granted Patent
Utility
US 6,608,358 · App. 10/280,993
Dummy pattern for improving micro-lens formation in an image sensor
Inventor:
Katsumi Yamamoto
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Oct 25, 2002
Inventor
Katsumi Yamamoto
Assignee (at issue)
Hua Wei Semiconductor (Shanghai ) 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.