Granted Patent
Utility
US 4,941,719 · App. 07/052,884
Light scanning system
Inventors:
Takanori Hisada, Takesuke Maruyama, Masaharu Deguchi, Yoshihiko Noro, Yoshifumi Honma, Yoshio Ariki, Shunichi Taguchi
Patented Case
View Patent ↗
Granted: Jul 17, 1990
Filed: May 22, 1987
Inventors
Takanori Hisada
Takesuke Maruyama
Masaharu Deguchi
Yoshihiko Noro
Yoshifumi Honma
Yoshio Ariki
Shunichi Taguchi
Assignee (at issue)
HITACHI, 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.