Average Co-Inventor Count = 4.25
ph-index = 5
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. Eastman-kodak Company (3 from 21,594 patents)
2. Hallmark Cards, Inc. (3 from 233 patents)
5 patents:
1. 5993048 - Personalized greeting card system
2. 5778164 - System for custom imprinting a variety of articles with images obtained
3. 5561604 - Computer controlled system for vending personalized products
4. 5530793 - System for custom imprinting a variety of articles with images obtained
5. 5459819 - System for custom imprinting a variety of articles with images obtained