Inventor
OYAMA MASAHARU
JP10 patents
Patents
10 patentsUS6793311B2Sep 21, 2004
Ink jet recording apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations72
US7055922B2Jun 6, 2006
Applying voltages to an ink jet printhead
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations62
US6783212B2Aug 31, 2004
Ink jet head and ink jet recording apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations62
US5657062AAug 12, 1997
Ink discharging device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations62
US6736479B2May 18, 2004
Ink jet recording apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations61
US5790142AAug 4, 1998
Ink jet recording apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations61
US6428149B1Aug 6, 2002
Electrostatic ink jet recording apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations60
US5159355AOct 27, 1992
Ink jet apparatus with voltage control unit controlling a voltage source to apply AC preheating voltage and DC ink-boiling voltage
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations58
US6830302B2Dec 14, 2004
Waveform generating circuit, inkjet head driving circuit and inkjet recording device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations56
US6513893B2Feb 4, 2003
Head drive unit and driving method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations54