Average Co-Inventor Count = 1.89
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. Nec Corporation (3 from 35,756 patents)
3 patents:
1. 6309120 - Printer having stacker
2. D378927 - Computer output printer
3. D321363 - Computer output printer