Average Co-Inventor Count = 5.71
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 4,114 patents)
2 patents:
1. 6107903 - Electromagnetic relay
2. 5880653 - Electromagnetic relay and its manufacture