Average Co-Inventor Count = 6.45
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. Check Technology Corporation (5 from 10 patents)
5 patents:
1. 6604017 - Printing system
2. 5917727 - Sheet registration system
3. 5790408 - Error recovery in a printing system
4. 5748483 - Printing system
5. 5696690 - Sheet stacking apparatus