Average Co-Inventor Count = 2.25
ph-index = 3
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. Crayola Llc. (8 from 131 patents)
2. Binney & Smith Inc. (4 from 134 patents)
12 patents:
1. 12097722 - Erasable writing compositions
2. 11813887 - Wicking nib device and system
3. 11472219 - Wicking nib device and system
4. 11377389 - Bead maker and decorator
5. 11192395 - Color development writing compositions and writing instruments
6. 10711150 - Color development writing compositions and writing instruments
7. 10669206 - Bead maker and decorator
8. 9321927 - Enhanced washability inks and methods of making the same
9. 6706783 - Erasable marking composition
10. 6344498 - Erasable marking composition
11. 6160034 - Coloring composition
12. 5464470 - Color-changing marking composition system