Average Co-Inventor Count = 6.00
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. Hodogaya Chemical Co., Ltd. (1 from 328 patents)
2. Nippon Aerosil Co., Ltd. (1 from 16 patents)
1 patent:
1. 8962866 - Surface-modified silica powder and method for producing the same, as well as toner composition for electrophotography