Inventor

Akiko Nakazono

Inventor

Tsukuba, JP

Overview

10→

Patents

1986–2013

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.

C09Kprimary

C09KMaterials for miscellaneous applications, not provided for elsewhere17%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%

H10KOrganic electric solid-state devices11%

C08LCompositions of macromolecular compounds9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

Y10TTechnical subjects covered by former us classification6%

C01GCompounds containing metals not covered by subclasses c01d or c01f3%

C03CChemical composition of glasses, glazes or vitreous enamels3%

C07DHeterocyclic compounds3%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%

PatentTitleYear

8,519,092'Polymer compound and polymer light-emitting device using the same'2013 8,492,750'Organic semiconductor composition, organic thin film and organic thin film element provided with organic thin film'2013 8,263,735'Polymer compound and polymer light-emitting device using the same'2012 7,772,360'Polymer compound and polymer light-emitting device using the same'2010 7,662,478'Polymer and polymer light-emitting device using the same'2010 7,005,497'Liquid-crystalline polyester production method'2006 5,601,493'Drive shaft made of fiber reinforced plastics, and method for connecting pipe made of fire-reinforced plastics'1997 4,777,987'Outer stay of heald frame for loom'1988 4,619,704'Composition for forming a transparent conductive film'1986 4,594,182'Indium tin oxide sol composition'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2013Patents assigned to SUMITOMO CHEMICAL CO (10)· patent assignee history

1986–1988Based in Osaka, JP· patent location history

1997Based in Ibaraki, JP· patent location history

2006–2013Based in Tsukuba, JP· patent location history

2012–2013Patents assigned to NAKAZONO AKIKO (3)· patent assignee history

2012–2013Patents assigned to AGATA KATSUMI (2)· patent assignee history

2012–2013Patents assigned to KITANO MAKOTO (2)· patent assignee history

2012–2013Patents assigned to OGUMA JUN (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO CHEMICAL CO	10	1986–2013
NAKAZONO AKIKOself	3	2012–2013
AGATA KATSUMI	2	2012–2013
KITANO MAKOTO	2	2012–2013
OGUMA JUN	2	2012–2013

Locations

Location	Patents	Span
Tsukuba, JP	6	2006–2013
Osaka, JP	3	1986–1988
Ibaraki, JP	1	1997