Inventor
OTSUKA SHUJI
JP63 patents
⚠️ This page may combine multiple inventors who share the name “OTSUKA SHUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
28 patentsUS6312076B1Nov 6, 2001
Driving waveform generating device and method for ink-jet recording head
SEIKO EPSON CORP61 citations96
US6474762B2Nov 5, 2002
Driving waveform generating device and method for ink-jet recording head
SEIKO EPSON CORP37 citations92
US9139028B1Sep 22, 2015
Printing apparatus and control program for printing apparatus
SEIKO EPSON CORP8 citations84
US9022498B2May 5, 2015
Liquid discharging apparatus
SEIKO EPSON CORP6 citations84
US9735774B2Aug 15, 2017
Capacitive load driving circuit
SEIKO EPSON CORP2 citations73
US9505210B2Nov 29, 2016
Liquid discharge apparatus, head unit, and control method of liquid discharge apparatus
SEIKO EPSON CORP4 citations73
US9346264B2May 24, 2016
Liquid discharge apparatus and capacitive load driving circuit
SEIKO EPSON CORP4 citations73
US9349937B2May 24, 2016
Drive circuit including connection path selection sections and voltage generation section
SEIKO EPSON CORP3 citations73
US9259949B2Feb 16, 2016
Liquid discharging apparatus and control method thereof
SEIKO EPSON CORP3 citations73
US8944551B2Feb 3, 2015
Liquid discharge apparatus
SEIKO EPSON CORP4 citations73
US8915578B2Dec 23, 2014
Printing apparatus
SEIKO EPSON CORP4 citations73
US9855741B2Jan 2, 2018
Liquid discharging apparatus
SEIKO EPSON CORP1 citations62
US9358782B2Jun 7, 2016
Liquid discharge apparatus
SEIKO EPSON CORP2 citations62
US9302473B2Apr 5, 2016
Liquid discharge apparatus, head unit, and control method of liquid discharge apparatus
SEIKO EPSON CORP2 citations62
US9259919B2Feb 16, 2016
Liquid discharge apparatus and control method of liquid discharge apparatus
SEIKO EPSON CORP2 citations62
US9168738B2Oct 27, 2015
Liquid discharge apparatus and method of discharging liquid
SEIKO EPSON CORP2 citations62
US8974024B2Mar 10, 2015
Liquid discharge apparatus
SEIKO EPSON CORP2 citations62
US8950841B2Feb 10, 2015
Printing apparatus
SEIKO EPSON CORP2 citations62
US10377155B2Aug 13, 2019
Detection device and recording apparatus
SEIKO EPSON CORP0 citations52
US10054435B2Aug 21, 2018
Medium texture detection device
SEIKO EPSON CORP1 citations52
US9831868B2Nov 28, 2017
Driving circuit for driving a piezoelectric element
SEIKO EPSON CORP1 citations52
US9764547B2Sep 19, 2017
Driving circuit for driving a capacitive load
SEIKO EPSON CORP0 citations52
US9673810B2Jun 6, 2017
Driving circuit for driving a capacitive load, and control method of a driving circuit for driving a capacitive load
SEIKO EPSON CORP0 citations52
US9539806B2Jan 10, 2017
Liquid discharge apparatus and method of discharging liquid
SEIKO EPSON CORP0 citations52
US9522531B2Dec 20, 2016
Liquid discharge apparatus and control method of liquid discharge apparatus
SEIKO EPSON CORP0 citations52
US9481165B2Nov 1, 2016
Liquid discharging apparatus
SEIKO EPSON CORP0 citations52
US9446583B2Sep 20, 2016
Capacitive load drive circuit
SEIKO EPSON CORP0 citations52
US9193156B2Nov 24, 2015
Capacitive load drive circuit
SEIKO EPSON CORP0 citations52
BROTHER IND LTD
14 patentsUS6700674B1Mar 2, 2004
Facsimile apparatus and storage medium
BROTHER IND LTD91 citations98
US6266159B1Jul 24, 2001
Communication device
BROTHER IND LTD43 citations92
US6879411B1Apr 12, 2005
Facsimile system
BROTHER IND LTD15 citations84
US6657743B1Dec 2, 2003
Communication terminal and storage medium
BROTHER IND LTD19 citations84
US6529293B1Mar 4, 2003
Image information transmission device
BROTHER IND LTD7 citations74
US6424425B1Jul 23, 2002
Facsimile and storage medium
BROTHER IND LTD11 citations74
US6236468B1May 22, 2001
Communication device and storage medium
BROTHER IND LTD10 citations73
US6108411AAug 22, 2000
Communication device
BROTHER IND LTD12 citations73
US7423774B2Sep 9, 2008
Communication system
BROTHER IND LTD2 citations63
US6927868B1Aug 9, 2005
Facsimile device and memory medium storing computer programs for controlling the facsimile device
BROTHER IND LTD3 citations62
US6307646B1Oct 23, 2001
Communication device and storage medium
BROTHER IND LTD2 citations62
US5016117AMay 14, 1991
Optical reader having apparatus for discrimination between dither-matrix and non-dither-matrix reading areas, and/or means for determining light emitter drive power values by using reference reflector surface
BROTHER IND LTD3 citations60
US4970529ANov 13, 1990
Thermal printer having control arrangement for protecting print head from sticking to medium
BROTHER IND LTD2 citations60
US5021877AJun 4, 1991
Optical image reading apparatus capable of reading multi-colored original
BROTHER IND LTD6 citations59
SANYO ELECTRIC CO
6 patentsUS6941160B2Sep 6, 2005
Dual display portable telephone device and allocation means for display process thereof
SANYO ELECTRIC CO72 citations97
US7006835B2Feb 28, 2006
Method of and system for providing position information
SANYO ELECTRIC CO34 citations92
US7197295B2Mar 27, 2007
Portable communication device
SANYO ELECTRIC CO10 citations83
US7031743B2Apr 18, 2006
Foldable portable communication terminal device
SANYO ELECTRIC CO15 citations83
US6915143B2Jul 5, 2005
Portable telephone
SANYO ELECTRIC CO18 citations82
US7006822B2Feb 28, 2006
Distance alarm and notification device for use with mobile phone
SANYO ELECTRIC CO6 citations62
TAMURA ELECTRIC WORKS LTD
1 patentSONY CORP
1 patentShowing the top 50 of 63 patents by PatentIndex Score.