Average Co-Inventor Count = 1.55
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 (4 from 832,761 patents)
4 patents:
1. 6698065 - Self-standing hand held marking implements
2. 6688485 - Base-mounted, tilted bowl
3. 6490760 - Self-standing, hand held implements
4. 6183850 - Target devices