Granted Patent
Utility
US 6,053,602 · App. 09/127,791
On-demand multi-nozzle ink jet head
Inventors:
Nobuhiro Noto, Takuji Torii, Yoshitaka Akiyama, Yasuo Takano, Norimasa Kondo, Nobuhiro Kurosawa
Patented Case
View Patent ↗
Granted: Apr 25, 2000
Filed: Aug 3, 1998
Inventors
Nobuhiro Noto
Takuji Torii
Yoshitaka Akiyama
Yasuo Takano
Norimasa Kondo
Nobuhiro Kurosawa
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.