Average Co-Inventor Count = 4.80
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. Powdertech Co., Ltd. (2 from 94 patents)
2 patents:
1. 6627369 - Carrier for electrophotographic developer and developer containing the same
2. 6071663 - Carrier for electrophotographic development and electrophotographic