Average Co-Inventor Count = 3.75
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. Japan Synthetic Rubber Co., Ltd. (2 from 377 patents)
2. Bridgestone Corporation (1 from 5,118 patents)
2 patents:
1. 4721753 - Diene polymer composition containing copolymer derived from 2,3-dimethyl
2. 4340685 - Process for preparing polybutadiene having a 1,2-configuration content