Inventor

Kazuhiko Ohtsu

Inventor

Mishima, JP

Overview

2001–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 36 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B41Jprimary

B41JTypewriters41%

C09DCoating compositions, e.g. paints, varnishes or lacquers25%

B41MPrinting, duplicating, marking, or copying processes8%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds5%

C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties5%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments3%

B82YSpecific uses or applications of nanostructures2%

C11DDetergent compositions2%

F04BPositive-displacement machines for liquids2%

PatentTitleYear

10,611,169Diaphragm pump, liquid circulation module and liquid discharge apparatus2020 10,343,414Liquid circulation device, liquid discharge device and liquid discharge method2019 10,272,692Liquid circulation device, liquid ejection apparatus, and liquid ejection method2019 10,239,325Liquid circulation device, liquid discharge device and liquid discharge method2019 10,160,223Ink circulation device for ink jet head2018 10,065,428Liquid circulation module and liquid ejection apparatus2018 RE046980Inkjet recording apparatus and recording method by the same usable with recycled paper2018 10,022,978Ink circulation device and ink jet recording apparatus2018 9,987,853Liquid circulation device, liquid discharge device and liquid discharge method2018 9,878,535'Ink circulation device and printer'2018 9,827,778Ink circulation device and ink ejection device2017 9,694,595'Liquid circulation device, liquid discharge device and control method for the same'2017 9,649,849'Ink circulation device and ink jet recording apparatus'2017 RE046252'Inkjet recording apparatus and recording method by the same'2016 9,033,441'Ink-jet printer and control method for ink-jet printer'2015 8,459,770'Inkjet recording apparatus and recording method by the same usable with recycled paper'2013 8,235,494'Image forming apparatus and ejection liquid circulating method'2012 7,926,932'Image forming apparatus and printing control method'2011 7,896,484'Ink jet recording apparatus'2011 7,858,670'Photosensitive inkjet ink'2010 7,803,851'Inkjet ink'2010 7,754,785'Pigment dispersion, precursor of ink for UV-curing type ink-jet recording, method of ink-jet recording, printed matter, and method of manufacturing pigment dispersion'2010 7,579,390'Inkjet ink composition and printed matters created using inkjet ink composition'2009 7,500,745'Liquid ink and recording apparatus'2009 7,473,720'Photosensitive inkjet ink'2009 7,439,281'Pigment dispersion, precursor of ink for UV-curing type ink-jet recording, method of ink-jet recording, printed matter, and method of manufacturing pigment dispersion'2008 7,425,525'Washing solution for inkjet printer head and washing method using the solution'2008 7,417,074'Ink for ink jet and ink jet recording apparatus'2008 7,404,852'Inkjet ink, inkjet recording method, method of evaluating inkjet ink, and method of manufacturing inkjet ink'2008 7,387,380'Liquid ink and recording apparatus'2008 7,375,145'Inkjet ink'2008 7,285,581'Processed pigments, pigment-dispersed solution, ink for ink jet, manufacturing method of processed pigments and manufacturing method of pigment-dispersed solution'2007 7,125,112'Liquid ink and recording apparatus'2006 7,108,367'Liquid ink and recording apparatus'2006 6,959,986'Liquid ink and recording apparatus'2005 6,312,081'Ink jet recording method'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2020Patents assigned to TOSHIBA TEC KK (33)· patent assignee history

2001Based in Numazu, JP· patent location history

2005–2018Patents assigned to TOSHIBA KK (13)· patent assignee history

2005–2020Based in Mishima, JP· patent location history

2012–2013Patents assigned to KUBOTA ATSUSHI (2)· patent assignee history

2012–2013Patents assigned to OHTSU KAZUHIKO (2)· patent assignee history

2012Patents assigned to HIROKI MASAKI (1)· patent assignee history

2013–2019Based in Shizuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOSHIBA TEC KK	33	2001–2020
TOSHIBA KK	13	2005–2018
KUBOTA ATSUSHI	2	2012–2013
OHTSU KAZUHIKOself	2	2012–2013
HIROKI MASAKI	1	2012

Locations

Location	Patents	Span
Mishima, JP	26	2005–2020
Shizuoka, JP	9	2013–2019
Numazu, JP	1	2001