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. Sumitomo Rubber Industries Limited (1 from 4,428 patents)
2. Tokyo Institute of Technology (1 from 575 patents)
3. Toyota Jidosha Kabushiki Kaisha (36,771 patents)
4. Cataler Corporation (246 patents)
1 patent:
1. 11555089 - Rotaxane and polyurethane using the same