Average Co-Inventor Count = 5.00
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. Virtual Ink Corporation (2 from 14 patents)
2 patents:
1. 6310615 - Dual mode eraser
2. 6232962 - Detector assembly for use in a transcription system