Average Co-Inventor Count = 5.00
ph-index = 4
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. Ebara Corporation (4 from 2,512 patents)
4 patents:
1. 7654927 - Transmission apparatus
2. 7494438 - Starting apparatus for differential planetary gear apparatus
3. 7297084 - Transmission apparatus
4. 7211018 - Differential planetary gear device, and differential planetary gear device starting device and starting method