Inventor

Takaharu Nakano

Inventor

Yokohama, JP

Overview

17→

Patents

1985–2005

Patent span

Chemistry

Primary field (CPC C)

Patents· 17 as inventor

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds29%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium18%

H10KOrganic electric solid-state devices18%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%

C07DHeterocyclic compounds9%

C09KMaterials for miscellaneous applications, not provided for elsewhere6%

C10MLubricating compositions3%

PatentTitleYear

6,936,189'Cyclic tertiary amine compound and organic electroluminescent device containing the compound'2005 6,902,832'Charge-transporting material containing diazapentacene derivative, luminescent material, and organic electroluminescent element employing these'2005 6,767,654'Organic electroluminescent device'2004 6,761,981'Cyclic tertiary amine compound and organic electroluminescent device containing the compound'2004 6,696,182'Organic electroluminescent device comprising dipyridylthiophene derivative'2004 6,617,053'Organic electroluminescent device containing dithiafulvene derivative'2003 5,672,671'Process for producing diorganopolysiloxane'1997 5,140,087'Organosiloxane and process for preparing the same'1992 5,098,981'Polyorganosiloxane'1992 5,047,491'Polyorganosiloxane compounds'1991 4,996,280'Polyorganosiloxane compounds with amino group'1991 4,992,521'Organosiloxane and process for preparing the same'1991 4,987,203'Polyorganosiloxane compounds with epoxy group'1991 4,839,443'Polysiloxane containing hydroxyl groups and a silicone-modified polyurethane using the same'1989 4,822,850'Modified polyorganosiloxane containing isocyanate group and process for preparing the same'1989 4,658,049'Carboxyl group-containing siloxane compound'1987 4,530,771'Lubricating oil compositions'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to KARONITE CHEM CO LTD (1)· patent assignee history

1985–2005Based in Yokohama, JP· patent location history

1987–2005Patents assigned to CHISSO CORP (16)· patent assignee history

1987–2004Based in Yokosuka, JP· patent location history

1989Based in Yokohama-shi, JP· patent location history

1992Based in Kanagawa, JP· patent location history

1997Based in Kumamoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHISSO CORP	16	1987–2005
KARONITE CHEM CO LTD	1	1985

Locations

Location	Patents	Span
Yokohama, JP	12	1985–2005
Yokosuka, JP	2	1987–2004
Kumamoto, JP	1	1997
Kanagawa, JP	1	1992
Yokohama-shi, JP	1	1989