Granted Patent
Utility
US 5,618,118 · App. 08/490,150
Impact printer and ribbon cassette
Inventors:
Yoshikane Matsumoto, Toshio Hiki, Shingo Nakahara, Kohichi Yageta, Hiroyuki Kurosawa, Kohki Kushima
Patented Case
View Patent ↗
Granted: Apr 8, 1997
Filed: Jun 14, 1995
Inventors
Yoshikane Matsumoto
Toshio Hiki
Shingo Nakahara
Kohichi Yageta
Hiroyuki Kurosawa
Kohki Kushima
Assignee (at issue)
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.