Average Co-Inventor Count = 1.43
ph-index = 5
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)
2. Kollmorgen Technologies Corporation (1 from 138 patents)
3. Integri-test Corporation (1 from 1 patent)
5 patents:
1. 5113133 - Circuit board test probe
2. 4641773 - Ultrasonic stylus position stabilizer
3. 4324396 - Sheet separating and feeding apparatus
4. 4170350 - Mail handling apparatus
5. 4084242 - Electronic postage weighing scale