Average Co-Inventor Count = 2.77
ph-index = 1
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. Plus Corporation (2 from 80 patents)
2. Plus Stationery Corporation (1 from 38 patents)
3 patents:
1. 8192101 - Folder binding device
2. 5630579 - Automatic manuscript sheet feeder
3. D373779 - Combined overhead projector and automatic film feeding unit