Average Co-Inventor Count = 5.09
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. The Yokohama Rubber Co., Ltd. (2 from 2,763 patents)
2 patents:
1. 4075159 - Rubber compositions with benzoic acid compounds
2. 4020252 - Vulcanization accelerator system for rubber compositions