Average Co-Inventor Count = 2.40
ph-index = 2
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. Tsuchiya Tsco Co., Ltd. (2 from 10 patents)
2 patents:
1. 6739161 - Cleaning material and sealing material for microscopic particles
2. 6115566 - Seal member for impeding leakage of toner in a printing apparatus