Average Co-Inventor Count = 2.86
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. Omron Corporation (2 from 4,121 patents)
2 patents:
1. 5296724 - Light emitting semiconductor device having an optical element
2. 5179287 - Displacement sensor and positioner