Granted Patent
Utility
US 5,503,954 · App. 08/238,046
Nonmagnetic one-component toner and method for producing the same
Inventors:
Masayuki Maruta, Shin-ichi Sata, Yasuhiro Hidaka
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: May 4, 1994
Inventors
Masayuki Maruta
Shin-ichi Sata
Yasuhiro Hidaka
Assignee (at issue)
Kao 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.