P

Inventor

KATO RYUJI

JP46 patents
⚠️ This page may combine multiple inventors who share the name “KATO RYUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BROTHER IND LTD

28 patents
US6783222B2Aug 31, 2004

Water base pigment ink for ink-jet recording and ink-jet recording method

BROTHER IND LTD24 citations92
US6679598B2Jan 20, 2004

Water base pigment ink for ink-jet recording and ink-jet recording apparatus

BROTHER IND LTD20 citations92
US7736424B2Jun 15, 2010

Ink set for ink-jet recording, ink for ink-jet recording and method for forming image

BROTHER IND LTD10 citations84
US7736425B2Jun 15, 2010

Ink set for ink-jet recording, ink for ink-jet recording and method for forming image

BROTHER IND LTD11 citations84
US7244296B2Jul 17, 2007

Water based ink set for ink-jet recording and inkjet recording method

BROTHER IND LTD12 citations83
US7766471B2Aug 3, 2010

Ink set for ink-jet recording

BROTHER IND LTD10 citations82
US7465345B2Dec 16, 2008

Ink-jet ink set

BROTHER IND LTD14 citations82
US7553361B2Jun 30, 2009

Water base ink for ink-jet recording

BROTHER IND LTD5 citations74
US7686444B2Mar 30, 2010

Water-based ink for ink-jet recording and ink-jet recording method

BROTHER IND LTD3 citations63
US7407537B2Aug 5, 2008

Ink set for ink-jet recording, method for producing the same, and the ink-jet printer

BROTHER IND LTD2 citations63
US7137693B2Nov 21, 2006

Ink container and ink container-sealing wrapper assembly

BROTHER IND LTD2 citations63
US12552169B2Feb 17, 2026

Liquid ejecting apparatus

BROTHER IND LTD0 citations62
US7384460B2Jun 10, 2008

Water-based ink set for ink-jet recording and ink-jet recording method

BROTHER IND LTD2 citations62
US7384461B2Jun 10, 2008

Water-based ink set for ink-jet recording and ink-jet recording method

BROTHER IND LTD4 citations62
US7244297B2Jul 17, 2007

Water based ink set for ink-jet recording and inkjet recording method

BROTHER IND LTD4 citations62
US7971983B2Jul 5, 2011

Ink set for ink-jet recording, ink-jet recording method, and ink-jet recording apparatus

BROTHER IND LTD2 citations61
US7438749B2Oct 21, 2008

Ink-jet ink set

BROTHER IND LTD2 citations60
US7416590B2Aug 26, 2008

Water-based ink set for ink-jet recording

BROTHER IND LTD2 citations59
US7637993B2Dec 29, 2009

Water base ink for ink-jet recording

BROTHER IND LTD0 citations52
US7635183B2Dec 22, 2009

Ink-jet recording apparatus

BROTHER IND LTD0 citations52
US7357832B2Apr 15, 2008

Water base pigment ink for ink-jet recording, ink cartridge accommodating the same, and ink-jet recording method

BROTHER IND LTD1 citations52
US7328989B2Feb 12, 2008

Water base ink set for ink-jet recording

BROTHER IND LTD0 citations52
US7216966B2May 15, 2007

Water base ink set for ink-jet recording

BROTHER IND LTD0 citations52
US10245839B2Apr 2, 2019

Cap for ink tank, ink tank, and ink-jet recording apparatus

BROTHER IND LTD0 citations50
US7438751B2Oct 21, 2008

Ink-jet ink set

BROTHER IND LTD0 citations50
US7438750B2Oct 21, 2008

Ink-jet ink set

BROTHER IND LTD0 citations50
US7600865B2Oct 13, 2009

Ink-jet recording apparatus

BROTHER IND LTD0 citations41
US8016405B2Sep 13, 2011

Ink-jet recording apparatus

BROTHER IND LTD0 citations40

KATO RYUJI

4 patents
US8070280B2Dec 6, 2011

Ink-jet recording apparatus

KATO RYUJI0 citations49
US8672464B2Mar 18, 2014

Treatment liquid for ink-jet recording, ink set, and ink-jet recording method

KATO RYUJI0 citations46
US9309420B2Apr 12, 2016

Ink-jet recording apparatus

KATO RYUJI0 citations42
US8684508B2Apr 1, 2014

Treatment solution for ink-jet recording, water-based ink set for ink-jet recording, ink-jet recording method and ink-jet recording apparatus

KATO RYUJI0 citations39

KUBO TOMOYUKI

3 patents
US8061822B2Nov 22, 2011

Liquid droplet jetting apparatus

KUBO TOMOYUKI2 citations62
US8162435B2Apr 24, 2012

Liquid droplet jetting apparatus

KUBO TOMOYUKI0 citations41
US8091994B2Jan 10, 2012

Liquid droplet jetting apparatus including liquid tank and two heads connected in series

KUBO TOMOYUKI0 citations41

SUGIMOTO JUNICHIRO

2 patents
US8690304B2Apr 8, 2014

Treatment solution for ink-jet recording, water-based ink set for ink-jet recording, ink-jet recording method, and ink-jet recording apparatus

SUGIMOTO JUNICHIRO2 citations60
US9090790B2Jul 28, 2015

Water-based ink for ink-jet recording, ink cartridge, ink-jet recording apparatus, ink-jet recording method, method for producing water-based ink for ink-jet recording, and method for preventing corrosion of metal member of ink-jet recording apparatus

SUGIMOTO JUNICHIRO0 citations50

HONDA HIROYUKI

1 patent
US9567560B2Feb 14, 2017

Incubated state evaluating device, incubated state evaluating method, incubator, and program

HONDA HIROYUKI5 citations62

EBISAWA KATSUMI

1 patent
US8338174B2Dec 25, 2012

Material for ameliorating skin tissue and method for producing the same

EBISAWA KATSUMI6 citations61

TAHARA AI

1 patent
US8691004B2Apr 8, 2014

Method of ink-jet recording, pretreatment liquid, ink set, and ink-jet recording apparatus

TAHARA AI2 citations51

FUKAYA HIDEJI

1 patent
US8282718B2Oct 9, 2012

Surface treatment solution, ink set, ink-jet recording method, and ink-jet recording apparatus

FUKAYA HIDEJI0 citations49

BROTHER KOGYU KABUSHIKI KAISHA

1 patent
US7753999B2Jul 13, 2010

Water based ink for ink jet recording and ink jet recording method

BROTHER KOGYU KABUSHIKI KAISHA0 citations45

SUMITOMO ELECTRIC INDUSTRIES

1 patent
US12305155B2May 20, 2025

Quality evaluation method

SUMITOMO ELECTRIC INDUSTRIES0 citations44

UNIV NAGOYA NAT UNIV CORP

1 patent
US10900950B2Jan 26, 2021

Apparatus and analytical evaluation methods using morphological feature parameters of a cell or cell population

UNIV NAGOYA NAT UNIV CORP0 citations41

IWAMURA YUKO

1 patent
US9067422B2Jun 30, 2015

Ink cartridge, method for manufacturing ink cartridge, ink-jet recording apparatus, and ink-jet recording method

IWAMURA YUKO0 citations39

FUJIOKA MASAYA

1 patent
US8567937B2Oct 29, 2013

Image forming apparatus and image forming method

FUJIOKA MASAYA0 citations35