Granted Patent
Utility
US 6,090,640 · App. 09/059,474
Method of making CCD-type solid-state pickup device
Inventor:
Chihiro Ogawa
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Apr 13, 1998
Inventor
Chihiro Ogawa
Assignee (at issue)
NEC CORPORATION
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.