Inventor

Norio Tsubokawa

Inventor

Niigata, JP

Overview

6→

Patents

1994–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 6 as inventor

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

C01Bprimary

C01BNon-metallic elements17%

C07CAcyclic or carbocyclic compounds13%

B82YSpecific uses or applications of nanostructures8%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%

C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties8%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%

C07BGeneral methods of organic chemistry4%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%

PatentTitleYear

10,899,893Aminosilane-modified colloidal silica dispersion and method of manufacturing same2021 9,688,594'Method for producing modified-graphene-like carbon material, modified-graphene-like carbon material, and resin composite material containing modified-graphene-like carbon material'2017 9,346,748'Functional-group-modified carbon material, and method for producing same'2016 9,074,101'Siloxane-grafted silica, transparent silicone composition, and optoelectronic device encapsulated therewith'2015 8,541,624'Palladium catalyst and process for production of bisaryl compound using same'2013 5,374,379'PTC composition and manufacturing method therefor'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to DAITO TSUSHINKI KK (1)· patent assignee history

1994–2021Based in Niigata, JP· patent location history

2013–2021Patents assigned to UNIV NIIGATA (5)· patent assignee history

2013–2015Patents assigned to TSUBOKAWA NORIO (2)· patent assignee history

2013Patents assigned to HAGIWARA HISAHIRO (1)· patent assignee history

2016–2017Patents assigned to SEKISUI CHEMICAL CO LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNIV NIIGATA	5	2013–2021
SEKISUI CHEMICAL CO LTD	2	2016–2017
TSUBOKAWA NORIOself	2	2013–2015
DAITO TSUSHINKI KK	1	1994
HAGIWARA HISAHIRO	1	2013

Locations

Location	Patents	Span
Niigata, JP	6	1994–2021