Granted Patent
Utility
US 6,459,536 · App. 09/761,836
Zoom lens system, and image pickup system using the same
Inventor:
Yasutaka Kashiki
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Jan 18, 2001
Inventor
Yasutaka Kashiki
Assignee (at issue)
Olympus Optical 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.