Average Co-Inventor Count = 2.14
ph-index = 3
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. Metronics, Inc. (4 from 7 patents)
2. Dr. Johannes Heidenhain Gmbh (1 from 801 patents)
5 patents:
1. D539678 - Digital readout device
2. D459248 - Digital readout
3. D458549 - Digital readout
4. D457444 - Digital readout
5. D457080 - Digital readout