Granted Patent
Utility
US 4,524,366 · App. 06/610,800
Ink jet charge phasing apparatus
Inventor:
Takahiro Yamada
Patented Case
View Patent ↗
Granted: Jun 18, 1985
Filed: May 16, 1984
Inventor
Takahiro Yamada
Assignees (at issue)
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.