Average Co-Inventor Count = 2.72
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. (16 from 130 patents)
2. Binney & Smith Inc. (3 from 134 patents)
3. Hallmark Cards, Inc. (1 from 233 patents)
4. ;beijing Wenhaiyang Industry Trading Co., Ltd. (1 from 2 patents)
20 patents:
1. 12391060 - Apparatus for adjustably retaining an expendable medium for writing and/or drawing
2. 12377677 - Output device for uniformly mixed liquid and method for making and using the same
3. D915510 - Chalk holder
4. D915511 - Chalk holder
5. 10864766 - Spiral art device
6. D876538 - Chalk holder set
7. D876539 - Chalk holder set
8. 10286413 - Outdoor paint sprayer
9. 10040312 - Roller-ball paint marker
10. 9156304 - Ink-delivery systems
11. 9114662 - Ink-delivery systems
12. 9089785 - Bubble-blowing apparatus
13. 8783176 - Self-sealing stamping device
14. 8485749 - Ink delivery systems
15. 8387528 - Self-sealing stamping device