Inventor
YAKURA YUJI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “YAKURA YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
27 patentsUS6095630AAug 1, 2000
Ink-jet printer and drive method of recording head for ink-jet printer
SONY CORP76 citations95
US6631963B1Oct 14, 2003
Method of driving print head in ink jet printer and ink jet printer
SONY CORP26 citations93
US7240998B2Jul 10, 2007
Liquid jetting device and liquid jetting method
SONY CORP30 citations92
US7165823B2Jan 23, 2007
Method for driving recording head, recording head, and ink jet printer
SONY CORP22 citations92
US6494554B1Dec 17, 2002
Apparatus and method for driving recording head for ink-jet printer
SONY CORP23 citations92
US6938980B2Sep 6, 2005
Image forming apparatus and its control method
SONY CORP12 citations84
US6890060B2May 10, 2005
Recording head driving method, recording head, ink-jet printer
SONY CORP13 citations84
US6598951B2Jul 29, 2003
Ink-jet printer
SONY CORP18 citations84
US5374495ADec 20, 1994
Developer for electrostatic electrophotography
SONY CORP10 citations73
US7997679B2Aug 16, 2011
Image forming apparatus and controlling method therefor
SONY CORP2 citations63
US7475978B2Jan 13, 2009
Recording liquid, liquid cartridge, liquid ejection cartridge, liquid ejection apparatus, and liquid ejection method
SONY CORP2 citations63
US7344237B2Mar 18, 2008
Recording liquid, liquid cartridge, liquid ejection cartridge, liquid ejection apparatus, and liquid ejection method
SONY CORP2 citations63
US7156485B2Jan 2, 2007
Liquid discharge head, cleaning method thereof, and liquid discharge apparatus
SONY CORP3 citations63
US7935389B2May 3, 2011
Liquid spraying apparatus and method
SONY CORP5 citations62
US7665823B2Feb 23, 2010
Liquid discharging apparatus and control method therefor
SONY CORP2 citations62
US7581809B2Sep 1, 2009
Liquid ejection head, liquid ejection apparatus, and manufacturing method of liquid ejection head
SONY CORP4 citations62
US7125099B2Oct 24, 2006
Liquid ejector and liquid ejecting method
SONY CORP2 citations62
US5424163AJun 13, 1995
Picture recording method using a dispersant having coloring agent particles contained therein
SONY CORP6 citations60
US7824005B2Nov 2, 2010
Liquid ejection device
SONY CORP0 citations52
US7735990B2Jun 15, 2010
Recording liquid, liquid cartridge emitting device and liquid emitting method
SONY CORP0 citations52
US7470017B2Dec 30, 2008
Recording liquid, liquid cartridge emitting device and liquid emitting method
SONY CORP0 citations52
US7334865B2Feb 26, 2008
Head cartridge and liquid ejection apparatus
SONY CORP0 citations52
US7168774B2Jan 30, 2007
Liquid jetting device and liquid jetting method
SONY CORP0 citations52
US8007072B2Aug 30, 2011
Cleaning blade, method of fabricating cleaning blade, and cleaning apparatus for liquid discharge head
SONY CORP0 citations51
US7735960B2Jun 15, 2010
Head cartridge and liquid ejection apparatus
SONY CORP0 citations51
US7384121B2Jun 10, 2008
Cleaner of liquid discharger head and liquid discharger
SONY CORP0 citations51
US6938981B2Sep 6, 2005
Image formation apparatus and control method thereof
SONY CORP0 citations42