Average Co-Inventor Count = 3.27
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. Bridgestone Corporation (3 from 5,120 patents)
2. Kajima Corporation (1 from 150 patents)
3 patents:
1. 7758948 - Laminate support
2. 5353559 - Anti-earthquake bearing apparatus
3. 4848969 - Marine fender