Average Co-Inventor Count = 2.77
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. Mitsubishi Denki Kabushiki Kaisha (3 from 21,351 patents)
3 patents:
1. 7503298 - Valve timing adjusting device
2. 7146946 - Valve timing adjusting device
3. 7017540 - Valve timing adjusting device and assembly apparatus of the same