Inventor

Akira Kumazawa

Inventor

Kawasaki, JP

Overview

10→

Patents

2003–2018

Patent span

Chemistry

Primary field (CPC C)

Patents· 10 as inventor

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

G03Fprimary

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices17%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%

C09DCoating compositions, e.g. paints, varnishes or lacquers7%

H01JElectric discharge tubes or discharge lamps7%

H01LSemiconductor devices7%

B01DSeparation3%

B08BCleaning in general3%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%

C03CChemical composition of glasses, glazes or vitreous enamels3%

PatentTitleYear

10,093,815Surface treatment agent and surface treatment method2018 9,868,090'Process for preparing chemical liquid of silylating agent and surface treatment method'2018 9,796,879'Film-forming material'2017 9,703,202'Surface treatment process and surface treatment liquid'2017 8,623,236'Titanium nitride-stripping liquid, and method for stripping titanium nitride coating film'2014 8,206,509'Cleaning liquid for lithography and method for forming wiring'2012 7,563,146'Unbaked laminate for producing front plate of plasma display device, and method for producing front plate of plasma display device'2009 7,554,270'Composition for dielectric of plasma display panel, laminate for dielectric, and method for forming the dielectric'2009 6,897,011'Photosensitive composition for sandblasting and photosensitive film using the same'2005 6,506,540'Photopolymerizable composition'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2018Patents assigned to TOKYO OHKA KOGYO CO LTD (10)· patent assignee history

2003–2017Based in Kanagawa, JP· patent location history

2009–2018Based in Kawasaki, JP· patent location history

2012–2014Patents assigned to ETO TAKAHIRO (2)· patent assignee history

2012–2014Patents assigned to KUMAZAWA AKIRA (2)· patent assignee history

2012Patents assigned to MORI DAIJIRO (1)· patent assignee history

2014Patents assigned to HARAGUCHI TAKAYUKI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOKYO OHKA KOGYO CO LTD	10	2003–2018
ETO TAKAHIRO	2	2012–2014
KUMAZAWA AKIRAself	2	2012–2014
HARAGUCHI TAKAYUKI	1	2014
MORI DAIJIRO	1	2012

Locations

Location	Patents	Span
Kawasaki, JP	5	2009–2018
Kanagawa, JP	5	2003–2017