Average Co-Inventor Count = 2.00
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. Pitney Bowes Inc. (3 from 2,979 patents)
3 patents:
1. 4523834 - Dry toner replenishing apparatus
2. 4402594 - Fire extinguishing device for electrophotocopier
3. 4341945 - Fire extinguishing device for electrophotocopier