Granted Patent
Utility
US 6,074,795 · App. 09/345,478
Toner for developing electrostatic latent image
Inventors:
Yohichiroh Watanabe, Keiko Shiraishi, Noboru Kuroda, Kohsuke Suzuki
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Jul 1, 1999
Inventors
Yohichiroh Watanabe
Keiko Shiraishi
Noboru Kuroda
Kohsuke Suzuki
Assignee (at issue)
RICOH COMPANY, 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.