Average Co-Inventor Count = 2.00
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. Sanwa Techno Co., Ltd. (1 from 14 patents)
2. T & M Corporation (1 from 3 patents)
1 patent:
1. 6907207 - Sealing material for rotary body, usage of the same, and developing apparatus