Granted Patent
Utility
US 5,751,483 · App. 08/510,007
Color filter having polarizability
Inventors:
Hisato Itoh, Tsutami Misawa, Akira Ogiso, Rihoko Imai
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Aug 1, 1995
Inventors
Hisato Itoh
Tsutami Misawa
Akira Ogiso
Rihoko Imai
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.