Average Co-Inventor Count = 2.05
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. Western Publishing Company, Inc. (6 from 27 patents)
2. Other (1 from 832,718 patents)
7 patents:
1. 6422942 - Virtual game board and tracking device therefor
2. 5269858 - Method of simulating stained glass art and product thereof
3. D332281 - Combined crayon dispenser and sharpener holder
4. 5136404 - Liquid crystal writing slate with improved light-transmission retention
5. 5117297 - Liquid crystal writing slate with DC imaging system
6. 5115330 - Liquid crystal writing slate
7. 5111316 - Liquid crystal writing state