Inventor
Hisahiro Higashi
Inventor
Sodegaura, JP
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating21%
H10KOrganic electric solid-state devices21%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
C09KMaterials for miscellaneous applications, not provided for elsewhere19%
C07CAcyclic or carbocyclic compounds8%
Y10TTechnical subjects covered by former us classification5%
C07DHeterocyclic compounds4%
C23CCoating metallic material1%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications1%
PatentTitleYear
7,709,102'Organic electroluminescence device'20107,045,950'Organic electroluminescence device with organic compound layer containing lower than 500 PPM of a halogen-containing compound'20066,773,831'Organic electroluminescent device'20046,617,051'Organic electroluminescence device'20036,534,199'Organic electroluminescence device and organic light emitting medium'20036,531,234'Organic electroluminescence device and method of its manufacture'20036,489,489'Organic electroluminescent device'20026,406,804'Organic electroluminescent device'20026,224,966'Organic electroluminescent device'20016,214,481'Organic electroluminescent device'20016,093,864'Aromatic dimethylidyne compounds'20005,705,284'Thin film electroluminescence device'19985,536,949'Charge injection auxiliary material and organic electroluminescence device containing the same'19965,503,910'Organic electroluminescence device'19965,443,921'Thin film electroluminescence device and process for production thereof'19955,366,811'Organic electroluminescence device'19945,142,343'Organic electroluminescence device with oligomers'19925,130,603'Organic electroluminescence device'19925,121,029'Electroluminescence device having an organic electroluminescent element'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2010Patents assigned to IDEMITSU KOSAN CO (19)· patent assignee history
1992–2010Based in Sodegaura, JP· patent location history
1992–2006Based in Chiba, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IDEMITSU KOSAN CO | 19 | 1992–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sodegaura, JP | 15 | 1992–2010 |
| Chiba, JP | 4 | 1992–2006 |