Average Co-Inventor Count = 4.00
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. Denso Corporation (1 from 19,707 patents)
2. Nippon Soken, Inc. (1 from 1,600 patents)
1 patent:
1. 7500455 - Valve timing control apparatus