Average Co-Inventor Count = 3.27
ph-index = 1
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 (3 from 4,121 patents)
3 patents:
1. D961423 - Light-receiving status indicator light for photoelectric sensor
2. 10657778 - Door switch
3. 10540866 - Door switch