Average Co-Inventor Count = 1.33
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. Keyence Corporation (2 from 514 patents)
2 patents:
1. 9778023 - Optical coordinate measuring device
2. 8675209 - Optical displacement meter