Granted Patent
Utility
US 6,102,512 · App. 08/815,004
Method of minimizing ink drop velocity variations in an on-demand multi-nozzle ink jet head
Inventors:
Takuji Torii, Nobuhiro Noto, Kazuaki Akimoto, Shigenori Suematsu, Yoshitaka Akiyama, Ryoji Yabuki
Patented Case
View Patent ↗
Granted: Aug 15, 2000
Filed: Mar 14, 1997
Inventors
Takuji Torii
Nobuhiro Noto
Kazuaki Akimoto
Shigenori Suematsu
Yoshitaka Akiyama
Ryoji Yabuki
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.