Average Co-Inventor Count = 7.00
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. Fuji Xerox Co., Ltd. (1 from 11,665 patents)
2. Nippon Iron Powder Co. Ltd. (1 from 6 patents)
1 patent:
1. 4898801 - Magnetic carrier of developer for electrophotographic copying machines