Average Co-Inventor Count = 1.85
ph-index = 2
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. Hallmark Cards, Inc. (5 from 233 patents)
5 patents:
1. 9993093 - Highlighter tool for greeting card display
2. 9439520 - Merchandiser for displaying items at an angle
3. 8671548 - Method for providing a convertible card row
4. 8333284 - Clip for convertible card row
5. 8132679 - Convertible card row