Granted Patent
Utility
US 4,486,559 · App. 06/276,207
Toner composition for the development of electrostatic latent images and a method of preparing the same
Inventors:
Hideki Murata, Sadatugu Terada, Kiyoshi Tamaki, Tsuneo Wada, Akitoshi Matsubara, Hiroyuki Takagiwa
Patented Case
View Patent ↗
Granted: Dec 4, 1984
Filed: Jun 23, 1981
Inventors
Hideki Murata
Sadatugu Terada
Kiyoshi Tamaki
Tsuneo Wada
Akitoshi Matsubara
Hiroyuki Takagiwa
Assignee (at issue)
Konishiroku Photo Industry 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.