Average Co-Inventor Count = 2.40
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. Nec Corporation (2 from 35,670 patents)
2 patents:
1. 4864207 - Unmanned vehicle guidance system
2. 4800978 - Magnetic object detecting system for automated guided vehicle system