Average Co-Inventor Count = 1.43
ph-index = 4
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. Other (3 from 832,761 patents)
2. W/s Packaging Group, Inc. (1 from 18 patents)
3. Cassette Productions Unlimited, Inc. (1 from 1 patent)
5 patents:
1. 7747472 - Hidden image game piece
2. 6629888 - Hidden image game piece
3. 6296900 - Method of making hidden image game piece
4. 5984367 - Hidden image game piece
5. 5401032 - Mystery puzzle game