Average Co-Inventor Count = 3.27
ph-index = 18
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. Basf Aktiengesellschaft (140 from 10,754 patents)
2. Sandoz Ag (2 from 147 patents)
3. Siemens Aktiengesellschaft (1 from 29,933 patents)
4. Kernforschungszentrum Karlsruhe Gmbh (1 from 238 patents)
5. Basf Aktiengsellschaft (1 from 17 patents)
6. Basf Aktiengesellshaft (1 from 11 patents)
7. Gasf Aktiengesellschaft (1 from 1 patent)
147 patents:
1. 7713311 - Liquid direct dye formulations
2. 6933371 - Bisazo dyestuffs based on hydroxynaphthalene carboxylic acid
3. 6903197 - Azoxy dyes and copper complexes thereof
4. 6727351 - Azoxy dyes and their Cu complexes
5. 6616712 - Use of compositions containing bisazo compounds for detecting fissures
6. 6346609 - Cationic azo-dyes
7. 6335462 - Polymerizable oligomesogenes
8. 6302924 - Dye mixtures containing thienyl and/or thiazolazo dyes
9. 6221114 - Colorant salts and their use in dyeing polymeric material
10. 6153734 - Oligomer azo colorants
11. 6152968 - Water-soluble Quinacridones
12. 6143898 - Pyridone colorants
13. 6136225 - Polymerizable liquid-crystalline compounds
14. 6136251 - Process for producing pigment particles of defined shape and size
15. 6114512 - Oligomeric azo dyes