Average Co-Inventor Count = 3.00
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 (2 from 4,415 patents)
2. Yamagata University (2 from 60 patents)
2 patents:
1. 9657313 - Isoprene oligomer, polyisoprene, processes for producing these materials, rubber composition, and pneumatic tire
2. 9371342 - Isoprene oligomer, polyisoprene, processes for producing these materials, rubber composition, and pneumatic tire