Average Co-Inventor Count = 3.37
ph-index = 4
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Sumitomo Chemical Company, Limited (26 from 6,894 patents)
2. Osaka University (5 from 987 patents)
3. Eisai R&d Management Co., Ltd. (3 from 528 patents)
4. Eisai Company, Limited (2 from 677 patents)
31 patents:
1. 9362505 - Fused ring compound and method for producing same, polymer, organic thin film containing those, and organic thin film device and organic thin film transistor comprising such organic thin film
2. 8940856 - Heterocyclic compound and heterocyclic polymers
3. 8895692 - Fused ring compound and method for producing same, polymer, organic thin film containing those, and organic thin film device and organic thin film transistor comprising such organic thin film
4. 8859717 - Nitrogen-containing fused ring compound, nitrogen-containing fused ring polymer, organic thin film, and organic thin film element
5. 8841410 - Nitrogen-containing condensed ring compound, nitrogen-containing condensed ring polymer, organic thin film, and organic thin film element
6. 8378338 - Conjugated compound, nitrogenated condensed-ring compound, nitrogenated condensed-ring polymer, organic thin film, and organic thin film element
7. 8344095 - Fused ring compound, method for producing the same, polymer, organic thin film containing the compound and/or polymer, and organic thin film device and organic thin film transistor each comprising the organic thin film
8. 8299272 - Process for production of fused ring compound
9. 8212048 - Method of producing aromatic compound
10. 8158275 - Fluorine-containing compound and method for producing same, fluorine-containing polymer, organic thin film, and organic thin film device
11. 8124780 - Benzimidazole compound
12. 8114956 - Polymer having unit obtained by condensation of difluorocyclopentanedione ring and aromatic ring, organic thin film using the same, and organic thin film device
13. 8017721 - Polymer film and polymer film device using the same
14. 8013329 - Organic field effect transistor
15. 8003976 - Organic light-light conversion device