Average Co-Inventor Count = 3.33
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. Omron Corporation (4 from 4,121 patents)
4 patents:
1. 9998155 - Signal processing device, signal processing method, information processing program and recording medium
2. 8887000 - Safety device
3. 8090993 - I/O unit and industrial controller
4. 7555353 - Input device of safety unit