Average Co-Inventor Count = 5.00
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. Director-general of Agency of Industrial Science and Technology (1 from 232 patents)
2. Kureha Chemical Industry Company, Limited (1 from 128 patents)
3. Sumitomo Corporation (1 from 22 patents)
1 patent:
1. 4299738 - Detergent composition