Inventor
USUI TOSHIKI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “USUI TOSHIKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
29 patentsUS5748214AMay 5, 1998
Ink jet recording head
SEIKO EPSON CORP116 citations97
US6820955B1Nov 23, 2004
Ink-jet recording apparatus, recording method and recording medium
SEIKO EPSON CORP69 citations96
US6382754B1May 7, 2002
Ink jet printing device
SEIKO EPSON CORP66 citations96
US5956829ASep 28, 1999
Method of manufacturing an ink jet recording head
SEIKO EPSON CORP48 citations96
US5856837AJan 5, 1999
Ink jet recording head with vibrating element having greater width than drive electrode
SEIKO EPSON CORP59 citations96
US6334673B1Jan 1, 2002
Ink jet print head with plural electrodes
SEIKO EPSON CORP22 citations92
US6217159B1Apr 17, 2001
Ink jet printing device
SEIKO EPSON CORP38 citations92
US7506956B2Mar 24, 2009
Printing apparatus, printing method, storage medium, and printing system
SEIKO EPSON CORP19 citations84
US7207642B2Apr 24, 2007
Liquid ejecting apparatus, liquid ejection method, and printing system
SEIKO EPSON CORP12 citations84
US7686407B2Mar 30, 2010
Printing method, printing system, and storage medium having program recorded thereon
SEIKO EPSON CORP5 citations74
US7611214B2Nov 3, 2009
Liquid ejecting apparatus
SEIKO EPSON CORP6 citations74
US6247776B1Jun 19, 2001
Ink jet recording apparatus for adjusting the weight of ink droplets
SEIKO EPSON CORP11 citations74
US7618106B2Nov 17, 2009
Liquid ejection head control method and liquid ejection head control apparatus
SEIKO EPSON CORP3 citations63
US7585036B2Sep 8, 2009
Printing method, printing apparatus, printing system, and storage medium
SEIKO EPSON CORP2 citations63
US6695425B2Feb 24, 2004
Control device and control method for print head mechanism, and printer incorporating the same
SEIKO EPSON CORP6 citations63
US6113226ASep 5, 2000
Laminated ink jet recording head resolving residual vibration problems in the common ink chamber by setting the natural resonance and driving frequency ranges
SEIKO EPSON CORP2 citations63
US5818472AOct 6, 1998
Ink jet recording apparatus
SEIKO EPSON CORP3 citations63
US12358279B2Jul 15, 2025
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US10889114B2Jan 12, 2021
Liquid ejecting apparatus and liquid ejecting head
SEIKO EPSON CORP0 citations52
US8038243B2Oct 18, 2011
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US7841679B2Nov 30, 2010
Liquid ejection apparatus and liquid ejection method
SEIKO EPSON CORP0 citations52
US7578568B2Aug 25, 2009
Liquid ejection method
SEIKO EPSON CORP1 citations52
US7481508B2Jan 27, 2009
Printing apparatus and printing system
SEIKO EPSON CORP1 citations52
US7441856B2Oct 28, 2008
Printing method and printing apparatus
SEIKO EPSON CORP0 citations52
US7413274B2Aug 19, 2008
Printing method, printing apparatus, and head unit
SEIKO EPSON CORP0 citations52
US10272676B2Apr 30, 2019
Liquid ejecting device, head unit, and liquid ejecting method
SEIKO EPSON CORP0 citations48
US9493000B2Nov 15, 2016
Liquid ejecting device, head unit, and liquid ejecting method
SEIKO EPSON CORP0 citations48
US9033443B2May 19, 2015
Liquid ejection apparatus and control method for liquid ejection apparatus
SEIKO EPSON CORP0 citations42
US8007066B2Aug 30, 2011
Printing apparatus, printing method and method of manufacturing printing apparatus
SEIKO EPSON CORP0 citations42