Granted Patent
Utility
US 4,478,910 · App. 06/592,585
Ink jet recording paper
Inventors:
Hiroyo Oshima, Yutaka Kojima, Yukio Kobayashi, Takashi Omori, Koichi Nagai
Patented Case
View Patent ↗
Granted: Oct 23, 1984
Filed: Mar 23, 1984
Inventors
Hiroyo Oshima
Yutaka Kojima
Yukio Kobayashi
Takashi Omori
Koichi Nagai
Assignee (at issue)
Jujo Paper 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.