Granted Patent
Utility
US 5,541,973 · App. 08/412,665
Micro area analyzing method
Inventor:
Kouichi Tamura
Patented Case
View Patent ↗
Granted: Jul 30, 1996
Filed: Mar 29, 1995
Inventor
Kouichi Tamura
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.