Granted Patent
Utility
US 4,777,499 · App. 07/152,841
Method and apparatus for image recording
Inventors:
Kenji Okuna, Hidefumi Ohtsuka, Sayoko Ohba, Takaomi Nishigaito, Katsumi Muroi, Tsutomu Iimura, Ryoji Kojima
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Feb 5, 1988
Inventors
Kenji Okuna
Hidefumi Ohtsuka
Sayoko Ohba
Takaomi Nishigaito
Katsumi Muroi
Tsutomu Iimura
Ryoji Kojima
Assignees (at issue)
HITACHI, LTD.
HITACHI, LTD.
Hitachi Koki 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.